Browse Water Systems
4,979 public water systems in CO.
Public Water Systems Database
Browse 4,979 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 |
|---|---|---|---|---|
| LITTLE THOMPSON WD | CO0135477 | Colorado | Community | 25,654 |
| FOUNTAIN CITY OF | CO0121275 | Colorado | Community | 25,130 |
| JOHNSTOWN TOWN OF | CO0162418 | Colorado | Community | 24,725 |
| CRESTVIEW WSD | CO0101040 | Colorado | Community | 23,756 |
| WINDSOR TOWN OF | CO0162843 | Colorado | Community | 23,500 |
| MERIDIAN MD | CO0218015 | Colorado | Community | 23,415 |
| CHERRY CREEK VALLEY WSD | CO0116175 | Colorado | Community | 22,000 |
| LOUISVILLE CITY OF | CO0107487 | Colorado | Community | 20,975 |
| GREEN MTN PARK WTR & SAN DIST | CO0054288 | Colorado | Community | 20,600 |
| TRI COUNTY WCD | CO0143755 | Colorado | Community | 20,490 |
| LEFT HAND WD | CO0107471 | Colorado | Community | 20,280 |
| SECURITY WATER DISTRICT | CO0121775 | Colorado | Community | 20,000 |
| WHEAT RIDGE WATER DISTRICT | CO0130842 | Colorado | Community | 20,000 |
| PLATTE CANYON WSD | CO0103614 | Colorado | Community | 19,485 |
| EVANS CITY OF | CO0162260 | Colorado | Community | 19,369 |
| MONTROSE CITY OF | CO0143518 | Colorado | Community | 19,305 |
| WILLOWS WD | CO0103100 | Colorado | Community | 19,000 |
| WOODMOOR WSD | CO0121950 | Colorado | Community | 18,031 |
| SUPERIOR MD NO 1 | CO0107725 | Colorado | Community | 17,900 |
| FREDERICK TOWN OF | CO0162288 | Colorado | Community | 17,173 |
| MT WERNER WD | CO0154524 | Colorado | Community | 16,980 |
| US AIR FORCE ACADEMY | CO0121845 | Colorado | Community | 16,876 |
| ESTES PARK TOWN OF | CO0135257 | Colorado | Community | 16,722 |
| NORTH WELD COUNTY WD | CO0162553 | Colorado | Community | 15,890 |
| EVERGREEN MD | CO0130030 | Colorado | Community | 15,750 |
| STONEGATE MD | CO0118076 | Colorado | Community | 15,295 |
| GYPSUM TOWN OF | CO0119329 | Colorado | Community | 15,272 |
| BANCROFT WTR & SAN DIST | CO0054338 | Colorado | Community | 15,200 |
| BLACK HAWK CITY OF | CO0124147 | Colorado | Community | 15,167 |
| STERLING CITY OF | CO0138045 | Colorado | Community | 15,100 |
| NORTH WASHINGTON STREET WSD | CO0101105 | Colorado | Community | 14,500 |
| WHEAT RIDGE WTR DIST | CO0055764 | Colorado | Community | 14,400 |
| BERTHOUD TOWN OF | CO0135138 | Colorado | Community | 14,211 |
| WOODMEN HILLS MD | CO0121930 | Colorado | Community | 13,888 |
| MONTEZUMA WC | CO0142900 | Colorado | Community | 13,797 |
| ROXBOROUGH WSD | CO0118055 | Colorado | Community | 13,765 |
| PINERY WWD | CO0118025 | Colorado | Community | 12,901 |
| CASTLE PINES NORTH MD | CO0118006 | Colorado | Community | 12,800 |
| MERIDIAN SERVICE MD | CO0121455 | Colorado | Community | 12,760 |
| FT LUPTON CITY OF | CO0162291 | Colorado | Community | 12,099 |
| LAKEHURST WSD | CO0130466 | Colorado | Community | 12,000 |
| KEN CARYL WSD | CO0103075 | Colorado | Community | 12,000 |
| FT MORGAN CITY OF | CO0144005 | Colorado | Community | 12,000 |
| SEVERANCE TOWN OF | CO0162707 | Colorado | Community | 11,733 |
| FEDERAL HEIGHTS CITY OF | CO0101055 | Colorado | Community | 11,678 |
| WELLINGTON TOWN OF | CO0135838 | Colorado | Community | 11,500 |
| TRINIDAD CITY OF | CO0136800 | Colorado | Community | 11,400 |
| STERLING RANCH CAB | CO0118724 | Colorado | Community | 11,357 |
| ALAMOSA CITY OF | CO0102100 | Colorado | Community | 11,271 |
| PAGOSA AREA WSD | CO0104300 | Colorado | Community | 11,069 |