----

| EXHIBIT  21.1                                |
|----------------------------------------------|
|                                         |
| SUBSIDIARIES OF WASTE CONNECTIONS,      INC. |

|                                           |   |           |   | Other  Names                                 |
|------------------------------------------------|--------|----------------|--------|----------------------------------------------|
|                                           |   | State of       |   | Under  Which                                 |
|                                           |   | Incorporation/ |   | Conducts                                     |
| Subsidiary                                     |   | Organization   |   | Business                                     |
| ADVANCED SYSTEMS PORTABLE      RESTROOMS, INC. |   | Oregon         |   | Advanced Mobile Storage                      |
|                                           |   |           |   | Advanced Systems      Portable               |
|                                           |   |           |   |   Restrooms                        |
|                                           |   |           |   | McDonald Portable      Toilets               |
| AMADOR SERVICES,      LLC                      |   | California     |   |                                         |
| AMERICAN DISPOSAL COMPANY,      INC.           |   | Washington     |   |                                         |
| AMERICAN SANITARY SERVICE,      INC.           |   | Oregon         |   |                                         |
| AMERICAN WEST LEASING,      INC.               |   | Oregon         |   |                                         |
| BITUMINOUS RESOURCES,      INC.                |   | Kentucky       |   |                                         |
| BROADACRE LANDFILL,      INC.                  |   | Colorado       |   | Pueblo Landfill    and                       |
|                                           |   |           |   |    Recycling      Center      |
| BUTLER COUNTY LANDFILL,      INC.              |   | Nebraska       |   |                                         |
| CAMINO REAL ENVIRONMENTAL CENTER,      INC.    |   | New Mexico     |   |                                         |
| COLD CANYON LANDFILL,      INC.                |   | California     |   | Cold Canyon                             |
|                                           |   |           |   |    Processing      Facility   |
|                                           |   |           |   | Cold Canyon  Recycling                  |
| COLUMBIA RESOURCE CO.,      LP                 |   | Washington     |   |                                         |
| COMMUNITY REFUSE DISPOSAL,      INC.           |   | Nebraska       |   |                                         |
| CONTRACTORS WASTE SERVICES,      INC.          |   | Kentucky       |   |                                         |
| CORRAL DE PIEDRA LAND      COMPANY             |   | California     |   |                                         |
| COUNTY RECYCLING,      INC.                    |   | Washington     |   | County      Recycling                        |
| CURRY TRANSFER AND RECYCLING,      INC.        |   | Oregon         |   | City    Transfer                             |
|                                           |   |           |   |    &      Recycling       |
|                                           |   |           |   | County Transfer                         |
|                                           |   |           |   |    &      Recycling       |
|                                           |   |           |   | Country      Transfer                        |
|                                           |   |           |   |    &      Recycling       |
|                                           |   |           |   | Extra Mile      Disposal                     |
|                                           |   |           |   |    &      Hauling         |
|                                           |   |           |   | Harrell's      Septic                        |
|                                           |   |           |   | Roto-Rooter    of                            |
|                                           |   |           |   |    Curry County          |
|                                           |   |           |   | Sandy's Disposal      Service                |
|                                           |   |           |   | Westlane      Disposal                       |
| DM DISPOSAL CO.,      INC.                     |   | Washington     |   | American      Portable                       |
|                                           |   |           |   |    Storage                    |
|                                           |   |           |   | D.M.    Recycling                            |
|                                           |   |           |   | Superior    Refuse                           |
|                                           |   |           |   |    Removal                    |
| DENVER REGIONAL LANDFILL,      INC.            |   | Colorado       |   |                                         |
| EL PASO DISPOSAL,    LP                        |   | Texas          |   | Caprock    Waste                             |
|                                           |   |           |   |    Services      Company, LLC |
|                                           |   |           |   | Waste    Wranglers                           |
| ELKO SANITATION      COMPANY                   |   | Nevada         |   | Waste Connections      of                    |
|                                           |   |           |   |    Nevada                     |
| EMPIRE DISPOSAL,      INC.                     |   | Washington     |   |                                         |
| ENVIRONMENTAL TRUST      COMPANY               |   | Tennessee      |   |                                         |
| EVERGREEN DISPOSAL,      INC.                  |   | Montana        |   |                                         |
| FINLEY-BUTTES LIMITED      PARTNERSHIP         |   | Oregon         |   | Finley Buttes      Landfill                  |
|                                           |   |           |   |    Company                    |
| FINNEY COUNTY LANDFILL,      INC.              |   | Delaware       |   |                                         |
| FRANK'S SERVICE,      INC.                     |   | Montana        |   |                                         |
| G&P DEVELOPMENT,      INC.                 |   | Nebraska       |   |                                         |
| GLACIER DISPOSAL,      L.L.C.                  |   | Montana        |   |                                         |
| HAROLD LEMAY ENTERPRISES,      INCORPORATED    |   | Washington     |   | AA Better Trash &      Junk              |
|                                           |   |           |   |    Clean      Up              |
|                                           |   |           |   | AA Lucky Portable      Storage               |
|                                           |   |           |   | Aberdeen Sanitation      Co.                 |
|                                           |   |           |   | All Star      Recycling                      |
|                                           |   |           |   | Butler's Cove    Refuse                      |
|                                           |   |           |   |    Service                    |
|                                           |   |           |   | City Sanitary Co.                            |
|                                           |   |           |   | Eastern Grays      Harbor                    |
|                                           |   |           |   |    Disposal                   |
|                                           |   |           |   | EGH  Disposal                                |
|                                           |   |           |   | Harbor Disposal      Co.                     |
|                                           |   |           |   | Harold LeMay      Enterprises                |
|                                           |   |           |   | HE  Recycling                                |
|                                           |   |           |   | Joes Refuse      Service                     |
|                                           |   |           |   | Lakewood  Recycling                          |
|                                           |   |           |   |    Service                    |
|                                           |   |           |   | Lakewood Refuse    Service                   |
|                                           |   |           |   | LeMay  Inc.                                  |
|                                           |   |           |   | LeMay Mobile  Shredding                      |
|                                           |   |           |   | LeMay    Transportation                      |
|                                           |   |           |   |    Services                   |
|                                           |   |           |   | Le May Trucking,      Inc.                   |
|                                           |   |           |   | Pacific      Disposal                        |
|                                           |   |           |   | Pierce County Refuse                    |
|                                           |   |           |   | Recycle      Services                        |
|                                           |   |           |   | Rural Garbage      Service                   |
|                                           |   |           |   | Rural Refuse      Service                    |
|                                           |   |           |   | White Pass Garbage                           |
| HIGH DESERT SOLID WASTE FACILITY,      INC.    |   | New Mexico     |   |                                         |
| HORIZON PROPERTY MANAGEMENT,      LLC          |   | Colorado       |   |                                         |
| ISLAND DISPOSAL,      INC.                     |   | Washington     |   | Whidbey      Recycling                       |
|                                           |   |           |   |    Services                   |
| J BAR J LAND,      INC.                        |   | Nebraska       |   |                                         |
| KELLY'S HAUL AWAY,      INC.                   |   | Montana        |   |                                         |
| LAKESHORE DISPOSAL,      INC.                  |   | Idaho          |   |                                         |
| LAUREL RIDGE LANDFILL,      L.L.C.             |   | Delaware       |   |                                         |
| LEALCO,INC.                                    |   | Texas          |   | ABC Waste      Collection                    |
| LES' COUNTY SANITARY,      INC.                |   | Oregon         |   |                                         |
| MADERA DISPOSAL SYSTEMS,      INC.             |   | California     |   | Allied    Disposal                           |
|                                           |   |           |   |    Company                    |
|                                           |   |           |   | Bishop  Waste                                |
|                                           |   |           |   |    Disposal                   |
|                                           |   |           |   | Coastal Rolloff      Service                 |
|                                           |   |           |   | Riverdale      Disposal                      |
|                                           |   |           |   |    Service                    |
|                                           |   |           |   | Sierra    Disposal                           |
|                                           |   |           |   | Western    Johns                             |

----

| EXHIBIT  21.1                                |
|----------------------------------------------|
|                                         |
| SUBSIDIARIES OF WASTE CONNECTIONS,      INC. |

|       |   |           |   | Other  Names |
|------------|--------|----------------|--------|--------------|
|       |   | State of       |   | Under  Which |
|       |   | Incorporation/ |   | Conducts     |
| Subsidiary |   | Organization   |   | Business     |

| MAMMOTH DISPOSAL      COMPANY                               |   | California |   |                                          |
|-------------------------------------------------------------|--------|------------|--------|-----------------------------------------------|
| MANAGEMENT ENVIRONMENTAL NATIONAL,      INC.                |   | Washington |   |                                          |
| MASON COUNTY GARBAGE CO.,      INC.                         |   | Washington |   |                                          |
| MDSI OF LA,      INC.                                       |   | California |   |                                          |
| MILLENIUM WASTE      INCORPORATED                           |   | Indiana    |   | Quad Cities      Landfill                     |
| MISSION COUNTRY      DISPOSAL                               |   | California |   | Tri CityDisposal                         |
| MORRO BAY GARBAGE      SERVICE                         |   | California |   |                                          |
| MURREY’S DISPOSAL COMPANY,      INC.                  |   | Washington |   | Olympic      Disposal                         |
| NEBRASKA ECOLOGY SYSTEMS,      INC.                         |   | Nebraska   |   |                                          |
| NOBLES COUNTY LANDFILL,      INC.                           |   | Minnesota  |   |                                          |
| NORTHERN PLAINS DISPOSAL      INC.                          |   | Delaware   |   |                                          |
| NORTHWEST CONTAINER SERVICES,      INC.                     |   | Oregon     |   |                                          |
| OKLAHOMA CITY WASTE DISPOSAL,      INC.                     |   | Oklahoma   |   |                                          |
| OKLAHOMA LANDFILL HOLDINGS,      INC.                       |   | Delaware   |   |                                          |
| OSAGE LANDFILL,      INC.                                   |   | Oklahoma   |   |                                          |
| PIERCE COUNTY RECYCLING COMPOSTING      & DISPOSAL, LLC |   | Washington |   | LRI                                           |
| PSI ENVIRONMENTAL SERVICES      INC.                        |   | Indiana    |   | PSIWASTE                                      |
| PSI ENVIRONMENTAL SYSTEMS,      INC.                        |   | Indiana    |   | PSIWASTE                                      |
| PUEBLO SANITATION,      INC.                                |   | Colorado   |   |                                          |
| PUYALLUP ENERGY RECOVERY COMPANY,      LLC                  |   | Washington |   |                                          |
| R.A. BROWNRIGG INVESTMENTS,      INC.                       |   | Oregon     |   | Cascade Disposal      Company                 |
|                                                        |   |       |   | Cascade Recycling Co.                         |
|                                                        |   |       |   | Kelvic Disposal      Co,                      |
|                                                        |   |       |   | Kelvic Dropbox      Company                   |
|                                                        |   |       |   | Sun Country      Disposal                     |
| RAILROAD AVENUE DISPOSAL,      LLC                          |   | Delaware   |   |                                          |
| RED CARPET LANDFILL,      INC.                              |   | Oklahoma   |   |                                          |
| RH FINANCIAL      CORPORATION                               |   | Washington |   |                                          |
| RURAL WASTE MANAGEMENT,      INC.                           |   | Oklahoma   |   |                                          |
| SAN LUIS GARBAGE      COMPANY                               |   | California |   |                                          |
| SCOTT SOLID WASTE DISPOSAL      COMPANY                     |   | Tennessee  |   | Reliable Waste      Services                  |
|                                                        |   |       |   | TWM-Landfill                                  |
| SCOTT WASTE SERVICES,      LLC                              |   | Kentucky   |   |                                          |
| SEDALIA LAND      COMPANY                                   |   | Colorado   |   |                                          |
| SOUTH COUNTY SANITARY SERVICE,      INC.               |   | California |   | Nipomo    Garbage                             |
|                                                        |   |       |   |    Company                     |
|                                                        |   |       |   | Nipomo      Recycling                         |
|                                                        |   |       |   |    Center                      |
| SOUTHERN PLAINS DISPOSAL,      INC.                         |   | Delaware   |   |                                          |
| SUNRISE SANITATION,      LLC                                |   | Oregon     |   |                                          |
| TACOMA RECYCLING COMPANY,      INC.                         |   | Washington |   |                                          |
| TENNESSEE WASTE MOVERS,      INC.                           |   | Delaware   |   | Volunteer      Landfill                       |
| THE TRASH COMPANY,      LLC                                 |   | Colorado   |   |                                          |
| VOORHEES SANITATION,      L.L.C.                            |   | Idaho      |   |                                          |
| WASCO COUNTY LANDFILL,      INC.                            |   | Delaware   |   | Republic Services      of                     |
|                                                        |   |       |   |    Oregon I                    |
| WASTE CONNECTIONS MANAGEMENT      SERVICES, INC.            |   | Delaware   |   |                                          |
| WASTE CONNECTIONS OF ALABAMA,      INC.                     |   | Delaware   |   | Competitive      Waste                        |
|                                                        |   |       |   |    Systems                     |
| WASTE CONNECTIONS OF ARIZONA,      INC.                     |   | Delaware   |   |                                          |
| WASTE CONNECTIONS OF ARKANSAS,      INC.                    |   | Delaware   |   |                                          |
| WASTE CONNECTIONS OF CALIFORNIA,      INC.                  |   | California |   | Amador Disposal      Service                  |
|                                                        |   |       |   | Bear ValleyDisposal                      |
|                                                        |   |       |   |    Service                     |
|                                                        |   |       |   | Calaveras      Sanitation                     |
|                                                        |   |       |   |    Services                    |
|                                                        |   |       |   | Ebbetts PassDisposal                     |
|                                                        |   |       |   |    Service                     |
|                                                        |   |       |   | Betts Disposal      Service                   |
|                                                        |   |       |   | El DoradoDisposal                             |
|                                                        |   |       |   |    Service                     |
|                                                        |   |       |   | GreenTeam                                     |
|                                                        |   |       |   | GreenTeam of San Jose                         |
|                                                        |   |       |   | GreenWaste of      Tehama                     |
|                                                        |   |       |   | Mother Lode      Sani-Hut                     |
|                                                        |   |       |   | Sani-Hut      Portable                        |
|                                                        |   |       |   |   Toilets                           |
|                                                        |   |       |   | SEI Debris Box      Rent-A-Bin                |
|                                                        |   |       |   | SEI Solid    Waste                            |
|                                                        |   |       |   | Western El      Dorado                        |
|                                                        |   |       |   |    Recovery      Systems       |
|                                                        |   |       |   | Westside      Sanitation                      |
| WASTE CONNECTIONS OF COLORADO,      INC.                    |   | Delaware   |   | All Trash      Service                        |
|                                                        |   |       |   | Aspen  Waste                                  |
|                                                        |   |       |   | Aspen Waste      Systems                      |
|                                                        |   |       |   | Community      Recycling                      |
|                                                        |   |       |   | Denver Roll-Off      Service                  |
|                                                        |   |       |   | El Paso Disposal      Services                |
|                                                        |   |       |   | FremontDisposal                               |
|                                                        |   |       |   | Horizon Property      Management              |
|                                                        |   |       |   | Platte ValleyDisposal                    |
|                                                        |   |       |   | PuebloDisposal                                |
|                                                        |   |       |   | Pueblo Disposal    &                      |
|                                                        |   |       |   |    Recycling      Service      |
|                                                        |   |       |   | Snowy Peaks Trash                        |
|                                                        |   |       |   |    Company                     |
|                                                        |   |       |   | Solid Waste      Transfer                     |
|                                                        |   |       |   |    Services                    |
|                                                        |   |       |   | The Trash      Company                        |
|                                                        |   |       |   | Town &      Country                       |
|                                                        |   |       |   |    Disposal                    |
|                                                        |   |       |   | U.S.Disposal                                  |
|                                                        |   |       |   | U.S. Disposal      Services                   |
|                                                        |   |       |   | White      Sanitation                         |
| WASTE CONNECTIONS OF GEORGIA,      INC.                     |   | Delaware   |   | Baxter Waste      Systems                     |
| WASTE CONNECTIONS OF IDAHO,      INC.                       |   | Indiana    |   | Mountain    Jack                              |
|                                                        |   |       |   |    Environmental      Services |
|                                                        |   |       |   | T, T & R      Enterprises                 |
|                                                        |   |       |   | Valley Waste and      Recycling               |
| WASTE CONNECTIONS OF ILLINOIS,      INC.                    |   | Delaware   |   | Millenium    Waste                            |
| WASTE CONNECTIONS OF IOWA,      INC.                        |   | Iowa       |   | EZ Roll  Off                                  |
|                                                        |   |       |   | EZ Roll Off      Systems                      |
|                                                        |   |       |   | E-Z    Sanitation                             |
|                                                        |   |       |   | Frangenberg      Sanitation                   |
|                                                        |   |       |   | Huberg Solid      Waste                       |
|                                                        |   |       |   |    Management                  |
|                                                        |   |       |   | Millenium    Waste                            |
|                                                        |   |       |   | Stone    Roll-Off                             |
|                                                        |   |       |   | Stone      Sanitation                         |
|                                                        |   |       |   | Town &      Country                       |
|                                                        |   |       |   |    Disposal                    |
|                                                        |   |       |   | Whaley  Waste                                 |
|                                                        |   |       |   |    Systems                     |

----

| EXHIBIT  21.1                                |
|----------------------------------------------|
|                                         |
| SUBSIDIARIES OF WASTE CONNECTIONS,      INC. |

|       |   |           |   | Other  Names |
|------------|--------|----------------|--------|--------------|
|       |   | State of       |   | Under  Which |
|       |   | Incorporation/ |   | Conducts     |
| Subsidiary |   | Organization   |   | Business     |

| WASTE CONNECTIONS OF KANSAS,      INC.                       |   | Delaware    |   | Anderson Trash    Service                     |
|--------------------------------------------------------------|--------|-------------|--------|-----------------------------------------------|
|                                                         |   |        |   | Best Yet    Refuse                            |
|                                                         |   |        |   | Collectia    LTD                              |
|                                                         |   |        |   | Dual County                              |
|                                                         |   |        |   |    Sanitation                  |
|                                                         |   |        |   | Northend      Disposal                        |
|                                                         |   |        |   | R-Arrow                                       |
|                                                         |   |        |   | Salina Waste    Systems                       |
| WASTE CONNECTIONS OF KENTUCKY,      INC.                     |   | Delaware    |   | Corbin's      Disposal                        |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Kentucky Waste                                |
|                                                         |   |        |   |    Systems,      Inc.          |
|                                                         |   |        |   | Mid-State      Recycling                      |
|                                                         |   |        |   |    Waste      Systems          |
|                                                         |   |        |   | Mid-State    Waste                            |
|                                                         |   |        |   | Waste Systems,      Inc.                      |
| WASTE CONNECTIONS OF LEFLORE,      LLC                       |   | Mississippi |   |                                          |
| WASTE CONNECTIONS OF MINNESOTA,      INC.                    |   | Minnesota   |   | Hendrickson      Sanitation                   |
|                                                         |   |        |   | L & L      Sanitation                     |
|                                                         |   |        |   | Schaap      Sanitation                        |
|                                                         |   |        |   | Scotting      Sanitation                      |
|                                                         |   |        |   | Ulrich      Sanitation                        |
| WASTE CONNECTIONS OF MISSISSIPPI DISPOSAL SERVICES,      LLC |   | Mississippi |   |                                          |
| WASTE CONNECTIONS OF MISSISSIPPI,      INC.                  |   | Delaware    |   | Asco    Sanitation                            |
|                                                         |   |        |   | Best Waste &      Recycling               |
|                                                         |   |        |   | Best Waste and      Recycling                 |
|                                                         |   |        |   | Buck Run      Landfill                        |
|                                                         |   |        |   | Northeast      Mississippi                    |
|                                                         |   |        |   |    Regional      Landfill      |
|                                                         |   |        |   | Oxford Waste                                  |
|                                                         |   |        |   |    Services                    |
| WASTE CONNECTIONS OF MISSOURI,      INC.                     |   | Delaware    |   |                                          |
| WASTE CONNECTIONS OF MONTANA,      INC.                      |   | Delaware    |   | Bitterroot      Disposal                      |
|                                                         |   |        |   | Valley      Recycling                         |
|                                                         |   |        |   | Victor    Transfer                            |
| WASTE CONNECTIONS OF NEBRASKA,      INC.                     |   | Delaware    |   | Allied Refuse Countryside      Services       |
|                                                         |   |        |   | B&B Sanitary      Service                 |
|                                                         |   |        |   | Big Red Roll      Off                         |
|                                                         |   |        |   | Central    Waste                              |
|                                                         |   |        |   |    Disposal                    |
|                                                         |   |        |   | Community      Refuse                         |
|                                                         |   |        |   | Countryside      Services                     |
|                                                         |   |        |   | Duren  Sanitation                             |
|                                                         |   |        |   | J-D    Sanitation                             |
|                                                         |   |        |   | J&J      Sanitation                       |
|                                                         |   |        |   | Junk in the    Box                            |
|                                                         |   |        |   | Midwest Refuse                                |
|                                                         |   |        |   |    Service      Commercial     |
|                                                         |   |        |   | Omega    Systems                              |
|                                                         |   |        |   | Papillion      Sanitation                     |
|                                                         |   |        |   | River City  Recycling                    |
|                                                         |   |        |   | Sanitation      Systems                       |
|                                                         |   |        |   | Saunders County                          |
|                                                         |   |        |   |    Disposal                    |
|                                                         |   |        |   | Schaben      Sanitation                       |
|                                                         |   |        |   | Shrader Refuse      and                       |
|                                                         |   |        |   |    Recycling      Service      |
|                                                         |   |        |   |    Company                     |
|                                                         |   |        |   | Steve's      Sanitation                       |
|                                                         |   |        |   | Steve's Sanitation      Service               |
|                                                         |   |        |   | The Garbage      Company                      |
|                                                         |   |        |   | The Garbage      Company                      |
|                                                         |   |        |   |    of David City          |
|                                                         |   |        |   | Ummel      Sanitation                         |
|                                                         |   |        |   | Wahoo      Sanitation                         |
| WASTE CONNECTIONS OF NEW MEXICO,      INC.                   |   | Delaware    |   | Silva      Sanitation                         |
|                                                         |   |        |   | Southwest      Disposal                       |
| WASTE CONNECTIONS OF OKLAHOMA,      INC.                     |   | Oklahoma    |   | Green Country      Refuse                     |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Metropolitan      Waste                       |
|                                                         |   |        |   |    Services                    |
|                                                         |   |        |   | OklahomaDisposal                              |
|                                                         |   |        |   |    &      Sanitation       |
|                                                         |   |        |   | Waste      Connections                        |
| WASTE CONNECTIONS OF OREGON,      INC.                       |   | Oregon      |   | Ace  Sanicans                                 |
|                                                         |   |        |   | Arrow Sanitary      Service                   |
|                                                         |   |        |   | Babe's Garbage      Service                   |
|                                                         |   |        |   | Bandon Disposal      &                    |
|                                                         |   |        |   |    Recycling                   |
|                                                         |   |        |   | Buck's    Sanitary                            |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Clatskanie      Sanitary                      |
|                                                         |   |        |   |     Service               |
|                                                         |   |        |   | EWSI                                          |
|                                                         |   |        |   | Environmental      Waste                      |
|                                                         |   |        |   |    Systems                     |
|                                                         |   |        |   | Hood River Garbage                       |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Hood River  Recycling                    |
|                                                         |   |        |   |    & Transfer      Station |
|                                                         |   |        |   | HudsonPortable                                |
|                                                         |   |        |   |    Toilet      Service         |
|                                                         |   |        |   | Hudson's  Garbage                             |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Jack Fleming      Sanitary                    |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Les' Sanitary      Service                    |
|                                                         |   |        |   | North Bend  Sanitation                        |
|                                                         |   |        |   |    Service                     |
|                                                         |   |        |   | Oregon Paper  Fiber                           |
|                                                         |   |        |   | Public Disposal      and                      |
|                                                         |   |        |   |    Recyling Center        |
|                                                         |   |        |   | Refuse    Removal                             |
|                                                         |   |        |   | Sweet  Home                                   |
|                                                         |   |        |   |    Sanitation      Service     |
|                                                         |   |        |   | Sweet Home      Transfer                      |
|                                                         |   |        |   |    &      Recycling        |
|                                                         |   |        |   | The DallesDisposal                            |
|                                                         |   |        |   | The DallesTransfer                            |
|                                                         |   |        |   |    Station                     |
|                                                         |   |        |   | Wally's      Portable                         |
|                                                         |   |        |   |    Restrooms                   |

----

| EXHIBIT  21.1                                |
|----------------------------------------------|
|                                         |
| SUBSIDIARIES OF WASTE CONNECTIONS,      INC. |

|       |   |           |   | Other  Names |
|------------|--------|----------------|--------|--------------|
|       |   | State of       |   | Under  Which |
|       |   | Incorporation/ |   | Conducts     |
| Subsidiary |   | Organization   |   | Business     |

| WASTE CONNECTIONS OF SOUTH DAKOTA,      INC.            |   | SouthDakota |   | A & C Keiffer      Sanitation          |
|---------------------------------------------------------|--------|-------------|--------|--------------------------------------------|
|                                                    |   |        |   | Art's Garbage      Service                 |
|                                                    |   |        |   | Cook's      Wastepaper                     |
|                                                    |   |        |   |    &      Recycling     |
|                                                    |   |        |   | Dakota Data      Shred                     |
|                                                    |   |        |   | Envirotech      Waste                      |
|                                                    |   |        |   |    Services                 |
|                                                    |   |        |   | Kieffer      Sanitation                    |
|                                                    |   |        |   | Novak      Enterprises                     |
|                                                    |   |        |   | Novak    Sanitary                          |
|                                                    |   |        |   |    Service                  |
|                                                    |   |        |   | Pierre  Recycling                          |
|                                                    |   |        |   |    Center                   |
|                                                    |   |        |   | Ron's  Dray                                |
|                                                    |   |        |   | Sioux Valley                          |
|                                                    |   |        |   |    Sanitation      Service  |
|                                                    |   |        |   | Steve's    Garbage                         |
|                                                    |   |        |   |    Service                  |
|                                                    |   |        |   | Van Zee      Sanitary                      |
|                                                    |   |        |   |    Service                  |
|                                                    |   |        |   | Walker    Refuse                           |
| WASTE CONNECTIONS OF TENNESSEE,      INC.               |   | Delaware    |   | Asco    Sanitation                         |
|                                                    |   |        |   | Cumberland Waste                           |
|                                                    |   |        |   |    Disposal                 |
|                                                    |   |        |   | LMP      Transportation                    |
|                                                    |   |        |   |    Company                  |
|                                                    |   |        |   | Ocoee      Environmental                   |
|                                                    |   |        |   |    Services                 |
|                                                    |   |        |   | Scott Solid      Waste                     |
|                                                    |   |        |   | Snelson's Trash      Service               |
|                                                    |   |        |   | Southern      Disposal                     |
| WASTE CONNECTIONS OF TEXAS, LLC                         |   | Delaware    |   | West TexasDisposal                         |
| WASTE CONNECTIONS OF THE CENTRAL      VALLEY, INC.      |   | California  |   | Environmental      Waste                   |
|                                                    |   |        |   |    Management               |
|                                                    |   |        |   | Kingsburg      Disposal                    |
|                                                    |   |        |   |    Service                  |
| WASTE CONNECTIONS OF UTAH,      INC.                    |   | Delaware    |   | City    Sanitation                         |
|                                                    |   |        |   | Roche &      Sons                      |
| WASTE CONNECTIONS OF WASHINGTON,      INC.              |   | Washington  |   | Buchmann      Sanitation                   |
|                                                    |   |        |   |    Service                  |
|                                                    |   |        |   | Clark CountyDisposal                  |
|                                                    |   |        |   |    Group                    |
|                                                    |   |        |   | Colfax      Recycling                      |
|                                                    |   |        |   | Diamond Fab    and                         |
|                                                    |   |        |   |    Welding      Service     |
|                                                    |   |        |   | Empire Disposal      Hauling               |
|                                                    |   |        |   | Hero                                       |
|                                                    |   |        |   | Household      Environmental               |
|                                                    |   |        |   |    Recycling      Operation |
|                                                    |   |        |   | The Disposal      Group                    |
|                                                    |   |        |   | Twin CitySanitary                     |
|                                                    |   |        |   |    Service                  |
|                                                    |   |        |   | VancouverSanitary                          |
|                                                    |   |        |   |    Service                  |
| WASTE CONNECTIONS OF WYOMING,      INC.                 |   | Delaware    |   | American      Disposal                     |
|                                                    |   |        |   | BW Waste                                   |
|                                                    |   |        |   | Edwal    Services                          |
|                                                    |   |        |   | Green River Valley Refuse             |
| WASTE CONNECTIONS TRANSPORTATION      CO., INC.         |   | Oregon      |   |                                       |
| WASTE SERVICES OF N.E.      MISSISSIPPI, INC.           |   | Mississippi |   |                                       |
| WASTE SOLUTIONS GROUP OF      SAN      BENITO,      LLC |   | Delaware    |   |                                       |
| WEST BANK ENVIRONMENTAL SERVICES,      INC              |   | Indiana     |   | Westbank      Sanitation                   |
| WEST COAST RECYCLING AND TRANSFER,      INC.       |   | Oregon      |   | Public Disposal      and                   |
|                                                    |   |        |   |    Recycling      Center    |
|                                                    |   |        |   | Store-It                                   |
| WEST VALLEY COLLECTION &      RECYCLING, LLC        |   | California  |   |                                       |
| WYOMING ENVIRONMENTAL SERVICES,      INC.               |   | Indiana     |   |                                       |
| WYOMING ENVIRONMENTAL SYSTEMS,      INC.                |   | Indiana     |   | Wyoming Waste                              |
|                                                    |   |        |   |    Systems                  |
| YAKIMA WASTE SYSTEMS,      INC.                         |   | Washington  |   | Yakima Storage      Systems                |
|                                                    |   |        |   | Yakima Waste    Systems                    |