reglab/statecodes huggingface dataset:
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.25 - Building Sewers

Current through June 14, 2024
A. Size - The
				  building sewer shall be designed with a capacity, when running full, of not
				  less than twice the peak rate of flow of the connected fixtures. In no case
				  shall the building sewer be less than three inches (3") in diameter.
B. Material - The building sewer shall be
				  constructed of PVC pipe SDR 35 minimum or equivalent. When any portion of the
				  building sewer will be subject to vehicular traffic, it shall be constructed of
				  Schedule 40 PVC or equivalent.
C.
				  Joints - All pipe joints for the building sewer shall be made watertight and be
				  firmly connected.
D. Base - The
				  building sewer shall be laid on a compacted, firm base.
E. Horizontal Alignment
1. The building sewer should be laid in a
				  straight line wherever possible. Changes in direction shall not exceed ninety
				  degrees (90°).
2. Where a
				  change in direction is greater than forty-five degrees (45°), a manhole is
				  required, unless the change in direction is achieved through the use of a
				  thirty-six inch (36") radius sweep.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.26 - Grease Tanks

Current through June 14, 2024
A. See §
										6.62 of this Part, Figure
				  4.
B. Required Use - Grease tanks
				  shall be installed in accordance with the following:
1. OWTS Applications for New Building
				  Construction for restaurants and other facilities that prepare food shall have
				  kitchen wastes separately plumbed to an external grease tank;
2. OWTS Applications for Alterations to a
				  Structure and OWTS Applications for Repair for restaurants and other facilities
				  that prepare food with a total design flow equal to or exceeding two thousand
				  (2,000) gallons per day shall have kitchen wastes separately plumbed to an
				  external grease tank; and
3. OWTS
				  Applications for Alterations to a Structure and OWTS Applications for Repair
				  for restaurants and other facilities that prepare food with a total design flow
				  less than two thousand (2,000) gallons per day shall have kitchen wastes
				  separately plumbed to an external grease tank or have an internal grease
				  removal unit installed.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.27 - Septic Tanks

Current through June 14, 2024
A. See §
										6.63 of this Part, Figure
				  5.
B. Septic Tank Capacity
1. Residential Dwellings - The required
				  minimum liquid capacity of a septic tank, below the flow line, shall be based
				  on the number of bedrooms in the dwelling. For three (3) bedrooms or less the
				  minimum capacity shall be one thousand (1,000) gallons. For each additional
				  bedroom, add two hundred fifty (250) gallons. A garbage grinder or a one
				  hundred (100) gallon or greater tub will each require the septic tank capacity
				  be increased by two hundred fifty (250) gallons.
2. Non-Residential Buildings - The required
				  minimum liquid capacity of the septic tank shall be one thousand (1,000)
				  gallons or two (2) times the design flow as determined from §
											6.22(B) of
				  this Part, whichever is greater.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.28 - Septic Tank Effluent Pipe

Current through June 14, 2024
A. Size - In no
				  case shall the septic tank effluent pipe be less than four inches (4") in
				  diameter.
B. Material - The septic
				  tank effluent pipe shall be constructed of PVC pipe SDR 35 minimum or
				  equivalent. When any portion of the septic tank effluent pipe will be subject
				  to vehicular traffic, it shall be constructed of Schedule 40 PVC or
				  equivalent.
C. Joints - All pipe
				  joints for the septic tank effluent pipe shall be made watertight and be firmly
				  connected.
D. Slope or Grade - The
				  septic tank effluent pipe shall have a minimum slope of one percent
				  (1%).
E. Base - The septic tank
				  effluent pipe shall be laid on a compacted, firm base.
F. Alignment - The septic tank effluent pipe
				  should be laid in a straight line wherever possible. Changes in direction shall
				  not exceed ninety degrees (90°). Where a change in direction is greater
				  than forty-five degrees (45°), a manhole is required, unless the change in
				  direction is achieved through the use of a thirty-six inch (36") radius
				  sweep.
G. Manholes and Cleanouts -
				  A manhole with a removable cover of concrete, cast iron, or other durable
				  material shall be provided at the junction of two (2) or more septic tank
				  effluent pipes and at all sharp changes in direction greater than forty-five
				  degrees (45°), unless the alignment complies with §
										6.28(F) of
				  this Part. A cleanout shall be provided at intervals not greater than
				  seventy-five feet (75').
H.
				  Pressurized Septic Tank Effluent Pipe - The Licensed Designer shall specify
				  pressurized septic tank effluent pipe sizing and provide backup calculations to
				  support specification. The pressurized septic tank effluent pipe shall be PVC
				  Class 200 minimum.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.29 - Holding Tanks

Current through June 14, 2024
A. Use
1. Holding tanks for wastewater are
				  prohibited for Applications for New Building Construction and Applications for
				  Alteration to a Structure.
2. A
				  holding tank may be allowed only to repair or replace a failed OWTS at the
				  Director's discretion.
3. Holding
				  tanks will not be allowed if a public wastewater system is available for
				  connection. When a public wastewater system becomes available, any person
				  owning a holding tank shall connect to said system within thirty (30) days and
				  the holding tank shall be abandoned in accordance with §
											6.56 of this
				  Part.
4. Holding tanks are allowed
				  at marine pumpout facilities provided that direct connection to an existing
				  public wastewater system is not possible and such tanks are constructed,
				  installed and operated in accordance with appropriate Department Guidelines and
				  Regulations.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.30 - Pump Tanks

Current through June 14, 2024
A. An OWTS that
				  requires a pump shall have a separate pump tank to house the pump, unless the
				  pump is placed in the second (2nd) compartment of
				  the septic tank within a screened vault approved by the Director. Pump tanks
				  shall be located following a septic tank unless otherwise approved by the
				  Director.
B. Capacity - Pump tanks
				  shall have an emergency storage capacity above the working level equal to the
				  daily design flow of the system. Emergency capacity is not required if there is
				  less than two inches (2") difference in elevation between the invert of the
				  outlet of the septic tank and the invert of the inlet of the pump tank. All
				  pump tanks shall be equipped with sensors and alarms to protect against high
				  water due to failure of the pump or pump controls. The volume below the working
				  level shall include an allowance for the volume of all drainage which may flow
				  back to the tank when pumping has ceased. The volume of the pump tank between
				  operating levels shall be adequate to assure the entire leachfield is dosed
				  each cycle in accordance with the required number of cycles per day.
C. Construction - Each pump tank shall:
1. Be watertight and meet the construction
				  and material standards for septic tanks in §
											6.27(C) of
				  this Part; and
2. Each pump tank or
				  compartment thereof shall be provided with a minimum twenty inch (20") inside
				  diameter access opening located so as to facilitate repair or adjustment of the
				  pump. The access opening shall meet the requirements for septic tank access
				  openings in §§
											6.27(H)(1) through
				  (4) of this Part.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.31 - Pumps

Current through June 14, 2024
A. Required Use - Pumps are required for
				  OWTSs that meet any of the following conditions:
1. The OWTS is designed for intermittent
				  discharge;
2. The OWTS is designed
				  for pressure dosing;
3. Pump is
				  required for an approved Alternative or Experimental Technology;
4. The maximum length of a dispersal trench
				  in the leachfield is between seventy-six feet (76') and one hundred feet
				  (100'); or
5. The total length of
				  the distribution lines in the leachfield exceeds five hundred feet
				  (500').
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.32 - Distribution Boxes

Current through June 14, 2024
A. A distribution
				  box shall be installed immediately preceding the leachfield unless otherwise
				  approved by the Director.
B.
				  Construction - The distribution box shall be constructed of concrete or other
				  durable material. It shall have a top load carrying capacity of three hundred
				  (300) pounds per square foot and minimal sidewall deflection. Minimum bottom
				  area shall be three (3) square feet.
C. Inlet - The distribution box shall be
				  provided with an inlet tee or a suitable baffle. The invert elevation of the
				  inlet pipe shall be not less than two inches (2") above the invert elevation of
				  the outlet pipe.
D. Outlets
1. Outlet Elevations - The invert elevation
				  of all the outlet pipes shall be a minimum of four inches (4") above the floor
				  of the distribution box. All outlet inverts shall be at the same
				  elevation.
2. Number of Outlets -
				  There shall be a separate outlet for each distribution line. In all cases
				  following a pump tank, the outlets shall be of sufficient size to accept the
				  wastewater flow at the rate wastewater is delivered to the distribution
				  box.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.33 - Leachfields

Current through June 14, 2024
A. Applicability - This Rule applies to
				  leachfields with dispersal trenches (§
										6.34 of this Part),
				  leachfields with concrete chambers in a trench configuration (§
										6.35 of this Part), and to
				  Alternative or Experimental leachfield systems approved pursuant to §
										6.41 of this Part except
				  for specifically approved design elements that are not consistent with this
				  §
										6.33
				  of this Part.
B. Minimum Leaching
				  Area - The minimum leachfield area necessary for dispersal trench and concrete
				  chamber leachfields shall be determined by dividing the maximum daily
				  wastewater flow (design flow) for the facility, as determined from §
										6.22 of this Part, by the
				  loading rate established in §
										6.33(C) of
				  this Part. Use the lowest loading rate obtained in the manner described below:
1. If the bottom of the stone is above the
				  original grade, use the soil horizon with the lowest loading rate within five
				  feet (5') of the original ground surface, excluding any A horizons;
2. If the bottom of the stone is below the
				  original grade, use the soil horizon with the lowest loading rate within five
				  feet (5') below the elevation of the distribution pipe invert, including the
				  soil horizons receiving side wall effluent;
3. If no natural soil exists within the five
				  feet (5') referenced in §
											6.33(B)(1) and
				  (2) of this Part above because of gravel
				  fill, use the loading rate of the first naturally occurring soil horizon below
				  that depth.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.34 - Dispersal Trenches

Current through June 14, 2024
A. Effective
				  Leaching Area - The effective leaching area shall be determined by the depth of
				  stone meeting the requirements of §
										6.33(K) of
				  this Part that is placed below the distribution line in the trench and the
				  width of the trench. The effective leaching area of dispersal trenches
				  containing one half of a foot (1/2') of stone below the pipe invert shall be
				  the total bottom area. Credit will be allowed for added sidewall absorption
				  area gained by increasing the depth of stone in the trenches. Such credit shall
				  be determined in accordance with §
										6.34(B) of
				  this Part which gives the square footage allowed per lineal foot of trench as
				  the depth of stone increases. The maximum depth of stone allowed is one and one
				  half feet (1 1/2'). The bottom of the dispersal trench shall have a maximum
				  width of three feet (3'). The maximum depth of stone below the pipe invert
				  shall be one half of a foot (1/2') when either of the following occur:
1. The seasonal high groundwater table is
				  within two (2') to four feet (4') of the original ground surface; or
2. A restrictive layer is within four (4') to
				  six feet (6') of original ground surface.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.35 - Concrete Chambers

Current through June 14, 2024
A. See §
										6.68 of this Part, Figure
				  10.
B. An OWTS using precast
				  concrete chambers may be constructed in lieu of a dispersal trench OWTS.
				  Concrete chambers must be preceded by a septic tank and must be installed in a
				  trench configuration. Deep concrete chambers meeting the requirements of §
										6.35(F) of
				  this Part will not be permitted except for OWTS Applications for Repair when no
				  other type of leachfield can be utilized.
C. Shallow Concrete Chambers
1. Dimensions - Shallow concrete chambers are
				  four feet (4') by eight feet (8') by eighteen inches (18") deep with an open
				  bottom and perforated side walls.
2. Site limitations - Shallow concrete
				  chambers shall not be permitted where any of the following occur:
a. The chamber invert would be more than one
				  foot (1') above the original grade;
b. The chamber inverts would be set at
				  different elevations; or
c. The
				  seasonal high groundwater table is less than four feet (4') from the original
				  ground surface.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.37 - Advanced Pressure Drainfields (APDs)

Current through June 14, 2024
A. General
1. An advanced pressure drainfield must not
				  be used without an advanced treatment unit(s) that has been approved by the
				  Department to meet either Category 1 or Category 2 technology designations. An
				  APD shall not be used with septic tank effluent. APDs include bottomless sand
				  filters (BSFs) and pressurized shallow narrow drainfields (PSNDs).
2. Protecting the APD from Damage: The
				  landscape over and immediately adjacent to any APD system shall be protected in
				  accordance with §
											6.33(T)(2)
				  of this Part.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.38 - Low Pressure Pipe (LPP)

Current through June 14, 2024
A. LPP design
				  guidelines: LPPs shall also conform to §
										6.36(A) of
				  this Part: "General design parameters for all pressurized drainfields."
1. All LPP systems under this guidance shall
				  conform to the design sizing parameters contained in Part 6 of this Subchapter
				  for leachfields. Trench end interconnections are not required when using LPP.
				  If drainfield reduction size is sought due to using advanced treatment
				  technology, it shall conform to the approved letter from the advanced treatment
				  technology immediately before the LPP.
2. Wastewater quality: When using LPPs with
				  advanced treated wastewater, the pretreatment must meet the requirements for
				  either Category 1 or Category 2 technologies. When using LPPs with residential
				  septic tank effluent, the quality of the effluent shall conform to BOD5 less
				  than or equal to one hundred seventy (170) mg/L, TSS less than or equal to
				  sixty (60) mg/L and FOG less than or equal to twenty-five (25) mg/L
				  (residential strength septic tank effluent).
3. Vertical separation distances: All
				  vertical separation distances defined in §§
											6.33(H),
				  6.33(I),
				  6.43(E),
				  and 6.44(C) of
				  this Part must be met when using LPP. The vertical separation distance shall be
				  measured from the base of the LPP (the natural receiving soil surface), to the
				  SHWT or to impervious layer.
4.
				  Cover: The cover from the top of the LPP to the proposed grade shall be from
				  six inches (6") to eighteen inches (18") (see §
											6.84 and
				  6.85 of this Part, Figures
				  26 and 27).
5. All LPPs shall be
				  timed-dosed, either by the timed-dosed technology preceding it (i.e. Category 1
				  technology) or by incorporating a timed-dosed component as specified in §
											6.36(B) of
				  this Part.
6. Flow differential
				  between first (1st) and last orifice in the
				  laterals: The maximum head differential between the first
				  (1st) and last orifice on each lateral shall be no
				  greater than fifteen percent (15%).
7. Pump events per day and maximum dose per
				  LPP orifice: The number of dose events per day shall be between twelve (12) and
				  twenty-four (24). The maximum dose per LPP orifice shall be one half (0.50)
				  gallons.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.39 - Large OWTS Requirements

Current through June 14, 2024
A. Applicability -
				  Large OWTSs defined below shall comply with all other applicable provisions of
				  these Rules in addition to the requirements in this §
										6.36 of this Part. A large
				  OWTS shall be any OWTS designed, installed or operated that meets any of the
				  criteria in §§
										6.39(A)(1) through
				  (4) of this Part below.
1. Any single OWTS designed to treat five
				  thousand (5,000) gallons or more per day;
2. Multiple OWTSs for any project on one (1)
				  or more parcels of land, excluding residential subdivisions, where the total
				  design flow for the project is five thousand (5,000) gallons or more per
				  day;
3. Multiple OWTSs serving more
				  than one (1) unit in a residential subdivision provided that the total design
				  flow of these OWTSs, each serving more than one (1) unit, is five thousand
				  (5,000) gallons or more per day; or
4. Proposed OWTSs and existing OWTSs on the
				  parcel that will result in a total design flow for the parcel exceeding five
				  thousand (5,000) gallons per day.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.40 - Alternative Toilets

Current through June 14, 2024
A. Alternative
				  toilets include composting toilets that meet or exceed performance standards
				  equivalent to the requirements of the National Sanitation Foundation Standard
				  41, incorporated above at §
										6.7(C) of
				  this Part and incinerator toilets.
1.
				  Alternative toilets shall be installed, operated and maintained in accordance
				  with the manufacturer's specifications; have a positive ventilation system; and
				  must convert toilet contents to an inert, stable, or otherwise harmless
				  condition.
2. The owner shall hold
				  a valid maintenance contract at all times with an entity or individual that is
				  certified by the alternative toilet vendor to provide maintenance of the
				  alternative toilet. The minimum maintenance contract term shall be two (2)
				  years.
3. The owner shall record
				  the approved OWTS construction permit application form and associated permit
				  conditions for this alternative toilet and the initially executed maintenance
				  contract for the system in the municipal land evidence records and provide DEM
				  a copy of the recorded document prior to DEM issuing a certificate of
				  conformance.
4. Two (2) years after
				  the issuance of the certificate of conformance, and every two (2) years
				  thereafter, the owner shall submit a report prepared by a System Inspector
				  documenting the condition of all aspects of the OWTS, including, but not
				  limited to, certification that the OWTS has not been modified and the design
				  remains as permitted.
5. The
				  Department may impose additional conditions on the approval of an alternative
				  toilet to ensure proper operation and protection of public health and the
				  environment.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.41 - Alternative or Experimental Technology Approval

Current through June 14, 2024
A. No
				  person shall submit an OWTS design application incorporating an alternative or
				  experimental component or technology for wastewater treatment unless such
				  technology has been placed on the Department's approved Alternative or
				  Experimental Technology List.
B.
				  Administrative - The Department shall:
1.
				  Maintain a list of all the approved Alternative or Experimental technologies
				  and all approved guidance documents;
2. Charge fees to cover the cost of
				  administering the Alternative or Experimental approval procedure, and
				  reviewing, monitoring and tracking the performance of Alternative or
				  Experimental technologies; and
3.
				  Have the authority to remove any approved Alternative or Experimental
				  technology from the Department's approved list whenever the applicant fails to
				  submit reports or monitoring data; fails to perform required maintenance; or
				  fails to fulfill any other required tasks stated within these Rules, the
				  approval letter or the approved guidance document.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.43 - Requirements in the Salt Pond and Narrow River Critical Resource Areas

Current through June 14, 2024
A. For OWTSs located in the Salt Pond and
				  Narrow River Critical Resource Areas as defined in §§
										6.42(C)(1) and
				  (2) of this Part, respectively, the standards
				  established in §§
										6.42 and
				  6.43 of this Part shall
				  supersede minimum standards established elsewhere in these Rules.
B. Nitrogen Reducing Technology
1. Nitrogen reducing technology shall be
				  required for all OWTS Applications for New Building Construction, all OWTS
				  Applications for Alteration to a Structure, and OWTS Applications for Repair in
				  the Salt Pond and Narrow River Critical Resource Areas. DEM may waive this
				  requirement for Applications for Repair involving only the replacement of the
				  septic tank if the applicant demonstrates that the leachfield is not failed
				  based on the criteria in §
											6.8 of this Part, met the
				  Rules in effect when the leachfield was installed, and is located more than two
				  hundred feet (200') from a coastal shoreline feature. Applicants must still
				  meet all CRMC established density and other requirements where
				  applicable.
2. Use of Composting
				  Toilets - Composting toilets meeting the criteria of §
											6.40 of this Part may be
				  approved for use as a nitrogen reducing technology provided that:
a. Solid and liquid residuals produced by the
				  composting toilet are removed from the site and properly disposed of at an
				  approved facility beyond the boundary of the Salt Pond and Narrow River
				  Critical Resource Area;
b. All
				  blackwater from the structure must receive treatment via the composting toilet;
				  and
c. All liquid residuals are
				  directed to a holding tank consistent with §
												6.40(C) of
				  this Part.
3. Exemptions
				  for Applications for Repair - The provisions of §
											6.43(B)(1)
				   of this Part may not apply to an OWTS
				  Application for Repair if the Municipality where the OWTS is located:
a. Adopts an ordinance that the Department
				  determines reduces the long-term nitrogen load to the Salt Ponds or Narrow
				  River equivalent to or more than the provisions of §
												6.43(B)(1)
				   of this Part; and
b. Enters into a legally binding agreement
				  with the Department and petitions the Department for prior review of pertinent
				  applications pursuant to §
												6.18(C) of
				  this Part.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.44 - Requirements in Drinking Water Supply Watershed Critical Resource Areas

Current through June 14, 2024
A. For OWTSs located in drinking water supply
				  watersheds as defined in §
										6.42(C)(3)
				  of this Part, the standards established in §§
										6.42 and
				  6.44 of this Part shall
				  supersede minimum standards established elsewhere in these Rules.
B. Subsurface Drains - Subsurface drains to
				  lower the seasonal high groundwater table are not permitted.
C. OWTS Separation Distance to Groundwater -
				  The bottom of the stone underlying the leachfield (or surface upon which the
				  biomat develops) shall be at least four feet (4') above the seasonal high
				  groundwater table when either soil category 1, 2, 3, 4, or 6 are encountered in
				  determining the maximum leachfield loading rate in accordance with §
										6.33(B)(2)
				  of this Part.
D. Location - The
				  horizontal distances between the parts of any OWTS and the feature requiring a
				  setback shall not be less than those shown in §
										6.23(C) of
				  this Part.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.46 - Permit Expiration

Current through June 14, 2024
A. Expiration of
				  Permits for OWTS Applications for New Building Construction and OWTS
				  Applications for Alteration to a Structure
1.
				  Except for permits eligible for tolling pursuant to R.I. Gen. Laws §
				  42-17.1 2.5 as provided in §
											6.46(A)(2)
				   of this Part, all permits for OWTSs for New
				  Building Construction and OWTSs for Alteration to a Structure approved in
				  accordance with §
											6.17 of this Part shall
				  expire five (5) years from the date of the issuance of the permit.
2. Pursuant to R.I. Gen. Laws §
											42-17.1-2.5, and unless otherwise
				  ordered by the Department, permits for New Building Construction or Alteration
				  to a Structure relating to the development of property that were valid on, or
				  issued after, November 9, 2009 that are subject to tolling pursuant to R.I.
				  Gen. Laws §
											42-17.1-2.5 shall be tolled for
				  the period provided by R.I. Gen. Laws §
											42-17.1-2.5 and expire on the date
				  five (5) years after approval plus the tolling period in accordance with said
				  statute.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.47 - OWTS Installation

Current through June 14, 2024
A. License Required
				  - Installation, construction, alteration, or repair of any OWTS shall be
				  performed by an installer licensed in accordance with §
										6.14 of this Part, or a
				  master plumber licensed under R.I. Gen. Laws Chapter 5-20. This requirement
				  does not apply to an applicant installing, constructing, altering, or repairing
				  an OWTS to serve a building the applicant occupies or will occupy as the
				  applicant's intended permanent domicile, provided that the applicant has
				  obtained written permission for that work and has obtained the Director's
				  approval of the plans and specifications for that work prior to the start of
				  any construction.
B.
				  Responsibilities of a Licensed Installer - A Licensed Installer shall adhere to
				  the following:
1. Perform all work in
				  compliance with approved plans and specifications only;
2. Report to the Licensed Designer
				  discrepancies on an approved plan which the installer may note during
				  construction;
3. Utilize only
				  quality grade construction materials approved by the Director;
4. Utilize only the best construction
				  techniques to provide for the best possible installations;
5. Work only under valid plans approved by
				  the Director, and to commence work only after completely reviewing the entire
				  approval including the application, the layout plans, all typical specification
				  sheets, and other attachments;
6.
				  Adhere to each and every term of approval as stipulated by the Director in his
				  or her approval of the particular plan; and
7. Stop construction and notify the Licensed
				  Designer if unanticipated conditions are encountered that indicate the OWTS
				  cannot be installed in accordance with the approved application, plan and
				  specifications, or any terms and conditions contained therein.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.48 - Certificate of Construction

Current through June 14, 2024
A. Certificate of
				  Construction Required - The Licensed Designer that is responsible for the OWTS
				  installation in accordance with §
										6.47 of this Part shall
				  complete a Certificate of Construction that certifies that the OWTS was
				  installed in conformance with the approved application, plans, specifications,
				  applicable statutes and regulations and that the License Designer is
				  responsible for having witnessed and inspected the installation. The
				  Certificate of Construction shall be on forms approved by the Director. The
				  Certificate of Construction shall include, but not be limited to, the
				  following:
1. Name and license number of the
				  Licensed Designer;
2. Name and
				  license number of the Licensed Installer; and
3. Distances from two (2) building foundation
				  corners to the septic tank manhole, to the distribution box, and to the
				  leachfield corners.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.49 - Certificate of Conformance

Current through June 14, 2024
A. The applicant
				  for an OWTS permit shall obtain a Certificate of Conformance from the
				  Department prior to use of any OWTS. The Certificate of Conformance means that
				  the OWTS that has been installed appears to substantially conform with the
				  design requirements and other requirements as indicated on the application and
				  associated plans and specifications.
B. Any applicant who constructs a new
				  building or building improvement which requires a new or altered OWTS and a
				  Certificate of Occupancy prior to use shall obtain a Certificate of Conformance
				  prior to such occupancy.
C. A
				  municipality may only grant a Certificate of Occupancy pursuant to R.I. Gen.
				  Laws § 23-27.2-13 and Chapter 23-27.3, where the person applying for such
				  Certificate of Occupancy presents to the municipality the written Certificate
				  of Conformance of the Director as required in §
										6.49(A) of
				  this Part.
D. The OWTS permit
				  remains valid once the Certificate of Conformance has been issued.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.50 - Permit Suspensions and Revocations

Current through June 14, 2024
A. Applicability -
				  The Director may suspend or revoke any permit granted under these Rules in the
				  event that subsequent examination reveals that the application is incomplete,
				  incorrect or not in compliance with these Rules, or any conditions at the site
				  are such that the approved design is no longer in accordance with these
				  Rules.
B. Notice - The applicant
				  shall be given written notice by certified mail, return receipt requested, of
				  such action to suspend or revoke a permit by the Director. Such notice shall be
				  in conformance with the Administrative Procedures Act, R.I. Gen. Laws
				  §§
										42-35-9(b) and
				  42-35-14.
C. Request for Hearing - An applicant may
				  request a hearing on the suspension or revocation with the Department of
				  Environmental Management, Administrative Adjudication Division. Such request
				  must be in writing and shall be filed with the Department's Administrative
				  Adjudication Division within thirty (30) calendar days of receipt of the notice
				  of permit suspension or revocation.
D. Cessation of Work - Upon issuance of a
				  suspension or revocation of any permit from the OWTS Program, no construction
				  activity may be performed or continue to be performed on the property until
				  such time as the suspension or revocation is rescinded or released by the
				  Director. Where the applicant requests a hearing in accordance with §
										6.50(C) 
				  of this Part, the suspension or revocation shall be stayed. However, any and
				  all work performed on the property shall be at the applicant's own
				  risk.
E. Investigations - The
				  Director shall conduct an investigation of any signed, written complaint
				  received from any person regarding an application for an OWTS. The complaint
				  shall specify the nature of the problems and include all appropriate
				  information to allow the Director to evaluate the complaint.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.51 - Variance Requests

Current through June 14, 2024
A. Applicability -
				  Applications for the approval of plans and specifications for an OWTS may
				  include a request for a variance from the provisions of the Rules Establishing
				  Minimum Standards Relating to Location, Design, Construction, and Maintenance
				  of Onsite Wastewater Treatment Systems. Requests for variance will not be
				  required for OWTS Applications for Alteration to a Structure where there will
				  be no increase in wastewater flow or OWTS Applications for Repair.
B. Requests for variances shall be attested
				  to by a Class II or Class III Licensed Designer.
C. Contents of Variance Request - Requests
				  for variances shall be on forms approved by the Director. It is the applicant's
				  responsibility to demonstrate by a preponderance of clear and scientifically
				  valid evidence by means of a comprehensive analysis having a probative value
				  that the requested variance(s) will not be contrary to the public health, the
				  public interest or the environment. Applicants must comply with local
				  ordinances; however, such compliance cannot be used to justify or support a
				  variance request under these Rules.
1. The
				  comprehensive analysis shall provide adequate scientific and technical evidence
				  on how the proposed design will mitigate potential adverse impacts on the
				  following:
a. Public health;
b. Any surface water drinking water supply or
				  tributary thereto and any public or private drinking water well and any
				  associated transmission lines that may be affected, including the cumulative
				  impacts of the system to the surrounding area;
c. Any body of water including, but not
				  limited to, impacts on groundwater or surface water quality and to the ability
				  of the water body to support or maintain flora and fauna as well as other
				  designated water uses;
d. Public
				  use and enjoyment of any recreational resource; and
e. Surrounding persons or property as a
				  potential cause of any public or private nuisance.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.52 - Variance Review Process

Current through June 14, 2024
A. Preliminary
				  Review and Recommendation - All variance requests shall be reviewed by the
				  Department for the purpose of determining whether such variance(s) would be
				  contrary to the public health, the public interest or the environment. In
				  reviewing the applicant's variance requests, the Department may consult with
				  other experts, whether employed by the Department or not. As part of the review
				  of any variance request(s), the Department shall consider:
1. All evidence submitted by the applicant,
				  the local municipal building official and the notified property owners bearing
				  upon the subject application;
2.
				  The number and extent of the limiting conditions at the site and surrounding
				  area; and
3. Whether the site
				  characteristics are less than optimum for wastewater treatment and
				  dispersal.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.53 - Appeals

Current through June 14, 2024
A. Right to Appeal - Any person whose permit
				  application is denied may appeal to the Director for review of the decision on
				  which the denial is based by filing an appeal with the Administrative
				  Adjudication Division.
B. Filing of
				  Appeal - All appeals shall be in writing and shall be filed with the
				  Department's Administrative Adjudication Division within thirty (30) calendar
				  days of receipt of the denial of the subject application.
C. Contents of Appeal - Every appeal shall
				  contain:
1. A detailed basis upon which the
				  appeal is taken;
2. A plat plan of
				  the area of the subject application;
3. A list of the names and addresses of:
a. The applicant;
b. The municipality in which the property is
				  located;
c. The owner of any
				  surface water supply as identified by §
												6.42(C) of
				  this Part, if applicable; and
d.
				  The owners of record of real property within two hundred feet (200') of any
				  component of the applicant's proposed OWTS; and
4. A certified check, bank draft or money
				  order in the amount of one thousand five hundred dollars ($1,500) in accordance
				  with §
											6.54(D) of
				  this Part.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.54 - Fees

Current through June 14, 2024
A. Administrative
1. All applicants, except for State and local
				  governmental entities, shall be liable for the payment of fees to the
				  Department as set forth below.
2.
				  Payment of Fees - All fees shall be due at the time the initial form or request
				  is submitted to DEM requesting that it undertake one (1) of the activities
				  specified in §
											6.54(B) of
				  this Part below. The Department will not undertake any such activity until
				  payment has been received.
3.
				  Commercial OWTSs - For the purpose of assessing fees, all duplex and
				  multi-family residential OWTSs shall be considered commercial OWTSs.
4. Field testing pursuant to §§
											6.16 or
				  6.17 of this Part must be
				  completed on the scheduled day of witnessing. Conditions encountered or lack of
				  preparedness by the Licensed Designer that requires additional witnessing by
				  the Department will require an additional fee.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.55 - Operation and Maintenance

Current through June 14, 2024
A. Operation - It
				  is the property owner's responsibility to ensure that the OWTS achieves the
				  performance requirements applicable to the approved OWTS. Where required by an
				  Alternative or Experimental Technology approval or under the terms of the
				  approved OWTS Application, the property owner shall maintain a valid operations
				  and maintenance agreement for the life of the OWTS.
B. Maintenance - All OWTSs shall be
				  maintained in good repair by the owner. The Director may order the owner to
				  maintain or repair an OWTS within a reasonable time if the Director finds them
				  to be in need of the same. In order to maintain long-term viability of the
				  OWTS, it is the owner's responsibility to:
1.
				  Ensure that the OWTS is used only for wastewater in amounts that do not exceed
				  the design flow;
2. Properly
				  maintain the OWTS, including but not limited to, inspection of the OWTS or
				  pumping of the septic tank as needed;
3. Protect the OWTS from physical
				  disturbance;
4. Ensure that all
				  access opening covers are secured and maintained; and
5. Ensure that trees and shrubs are not
				  growing within the area of the leachfield and within ten feet (10') of the
				  leachfield.
Rhode Island Code of Regulations › Title 250 - Department of Environmental Management › Chapter 150 - Water Resources › Subchapter 10 - Wastewater And Storm Water › Part 6 - Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems › Section 250-RICR-150-10-6.56 - Removal and Abandonment

Current through June 14, 2024
A. Removal - Any
				  OWTS components that are excavated and removed off-site must be properly
				  disposed of at a licensed solid waste landfill.
B. Abandonment on Site - Septic tanks, grease
				  tanks, pump tanks, holding tanks, concrete chambers and cesspools that are no
				  longer in use shall be properly abandoned. The structure shall be emptied of
				  all wastes and then either removed, filled with clean sand or crushed and the
				  area backfilled with clean soil.