Browse Water Systems
433,698 public water systems.
Public Water Systems Database
Browse 433,698 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| MISSION SPRINGS WD | CA3310008 | California | Community | 43,484 |
| CITY OF HATTIESBURG | MS0180008 | Mississippi | Community | 43,449 |
| HUBER HEIGHTS PUBLIC WATER SYSTEM | OH5703612 | Ohio | Community | 43,439 |
| LIBERTY UTILITIES | AR0000272 | Arkansas | Community | 43,438 |
| ATHENS,THE WATER WORKS BD OF THE CITY OF | AL0000824 | Alabama | Community | 43,431 |
| BONNEY LAKE WATER DEPARTMENT CITY | WA5307650 | Washington | Community | 43,371 |
| DIABLO WATER DISTRICT | CA0710007 | California | Community | 43,357 |
| SPRINGFIELD WATER SYSTEM | TN0000666 | Tennessee | Community | 43,338 |
| PA AMERICAN WATER CO BUTLER | PA5100012 | Pennsylvania | Community | 43,286 |
| PA AMER WATER CO NEW CASTLE | PA6370034 | Pennsylvania | Community | 43,279 |
| FORT CAMPBELL WATER SYSTEM | TN0000820 | Kentucky | Community | 43,270 |
| BUFFALO GROVE | IL0314180 | Illinois | Community | 43,212 |
| BRIDGEWATER ENGINEERING CO | NJ1810211 | New Jersey | Transient Non-Community | 43,200 |
| CITY OF COPPELL | TX0570040 | Texas | Community | 43,193 |
| CITY OF FRIENDSWOOD | TX0840002 | Texas | Community | 43,190 |
| GSWC - NORWALK | CA1910098 | California | Community | 43,176 |
| MONROE, CITY OF | NC0190010 | North Carolina | Community | 43,081 |
| SOUTHINGTON WATER DEPARTMENT | CT1310011 | Connecticut | Community | 43,069 |
| ST. AUGUSTINE WS | FL2550210 | Florida | Community | 43,069 |
| DANVILLE, CITY OF | VA5590100 | Virginia | Community | 43,055 |
| LEXINGTON PARK | MD0180007 | Maryland | Community | 43,030 |
| POUGHKEEPSIE TOWNWIDE WD | NY1302812 | New York | Community | 43,000 |
| MANHASSET LAKEVILLE WD | NY2902836 | New York | Community | 43,000 |
| MASSAPEQUA WD | NY2902837 | New York | Community | 43,000 |
| AQUA PA ROARING CREEK DIVISION | PA4490024 | Pennsylvania | Community | 43,000 |
| WALLA WALLA WATER DIVISION | WA5392500 | Washington | Community | 42,959 |
| FUQUAY-VARINA, TOWN OF | NC0392055 | North Carolina | Community | 42,954 |
| SOUTHWEST REGIONAL WATER DISTRICT | OH0903912 | Ohio | Community | 42,856 |
| Mankato | MN1070009 | Minnesota | Community | 42,803 |
| MANASSAS, CITY OF | VA6685100 | Virginia | Community | 42,696 |
| CITY OF SAN BRUNO | CA4110023 | California | Community | 42,631 |
| TOWN OF PROSPER | TX0430009 | Texas | Community | 42,598 |
| MIDLAND, CITY OF | MI0004370 | Michigan | Community | 42,547 |
| MAINE WATER COMPANY BIDDEFORD SACO DIV | ME0090170 | Maine | Community | 42,508 |
| ORO VALLEY WATER UTILITY | AZ0410164 | Arizona | Community | 42,316 |
| PLAINFIELD TOWNSHIP | MI0005370 | Michigan | Community | 42,271 |
| PHENIX CITY UTILITIES | AL0001142 | Alabama | Community | 42,267 |
| CAMP PENDLETON (SOUTH) | CA3710702 | California | Community | 42,219 |
| PRESCOTT CITY OF | AZ0413045 | Arizona | Community | 42,217 |
| CITY OF ROSENBERG | TX0790003 | Texas | Community | 42,158 |
| NEWPORT-CITY OF | RI1592010 | Rhode Island | Community | 42,155 |
| SHELBY CO BD OF PUBLIC UTILITY | TN0000773 | Tennessee | Community | 42,150 |
| BILLERICA WATER WORKS | MA3031000 | Massachusetts | Community | 42,119 |
| KENTUCKY-AMERICAN WATER CO/RR | KY0340909 | Kentucky | Community | 42,000 |
| GREENLAWN WATER DISTRICT | NY5103271 | New York | Community | 42,000 |
| CRANBERRY TWP WTP | PA5100094 | Pennsylvania | Community | 42,000 |
| ISU | IA8503528 | Iowa | Community | 42,000 |
| SOUTH NORWALK ELECTRIC & WATER | CT1030021 | Connecticut | Community | 42,000 |
| BURLINGTON DEPT PUBLIC WORKS WATER DIV | VT0005053 | Vermont | Community | 42,000 |
| QUINCY | IL0010650 | Illinois | Community | 42,000 |