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 SDWIS

The Safe Drinking Water Information System (SDWIS) contains information about public water systems

and their violations of EPA's drinking water regulations, as reported to EPA by the states. These

regulations establish maximum contaminant levels, treatment techniques, and monitoring and reporting

requirements to ensure that water systems provide safe water to their customers. This search will help

you to find your drinking water supplier and view its violations and enforcement history since 1993.

You may select systems either by locating systems within a geographic area or by entering the water system ID

number. For more detailed information about the water you drink, contact your local water supplier directly or call your

state drinking water agency. To find the phone number for your state's drinking water agency, click here or call the

Safe Drinking Water Hotline at 1-800-426-4791.

For national and state-by-state information, please see the Office of Ground Water and Drinking Water's drinking water

facts and figures page.

NOTICE: EPA is aware of inaccuracies and underreporting of some data in the Safe Drinking Water Information System.

We are working with the states to improve the quality of the data.

Geography Search

Select a state to search by clicking on the map or on the text links below.

Other SDWIS sites include:

Text Version

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Last updated on Thursday, October 27, 2011

Alaska | Alabama | Arkansas | Arizona | California | Colorado | Connecticut | District of Columbia | Delaware | Florida | Georgia | Hawaii | Iowa | Idaho

| Illinois | Indiana | Kansas | Kentucky | Louisiana | Maine | Maryland | Massachusetts | Michigan | Minnesota | Mississippi | Missouri | Montana | North

Carolina | North Dakota | Nebraska | Nevada | New Hampshire | New Jersey | New Mexico | New York | Ohio | Oklahoma | Oregon | Pennsylvania |

Puerto Rico | Rhode Island | South Carolina | South Dakota | Tennessee | Texas | Utah | Virginia | Virgin Islands | Vermont | Washington | Wisconsin |

West Virginia | Wyoming |

Other SDWIS sites include:

American Samoa | Federated States of Micronesia | Guam | Marshall Islands

Northern Mariana Islands | Republic of Palau | Indian Tribes

Water System ID Search

Enter a Water System ID Number. All Water System ID numbers are nine characters in length, with the first two

digits usually composed of the state abbreviation. Then, click on the "Search" button.

Water System ID: