Browse Water Systems
4,721 public water systems in MT.
Public Water Systems Database
Browse 4,721 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 |
|---|---|---|---|---|
| BILLINGS CITY OF | MT0000153 | Montana | Community | 114,000 |
| CAMP MUSTANG | MT0003181 | Montana | Community | 75,816 |
| MISSOULA WATER | MT0000294 | Montana | Community | 68,200 |
| GREAT FALLS CITY OF | MT0000525 | Montana | Community | 60,000 |
| BOZEMAN CITY OF | MT0000161 | Montana | Community | 56,000 |
| BUTTE SILVERBOW WATER DEPT | MT0000170 | Montana | Community | 33,000 |
| HELENA WATER SYSTEM | MT0000241 | Montana | Community | 32,091 |
| KALISPELL PUBLIC WORKS | MT0000259 | Montana | Community | 25,000 |
| MONTANA STATE UNIVERSITY BOZEMAN | MT0004790 | Montana | Non-Transient Non-Community | 19,200 |
| UNIVERSITY OF MONTANA | MT0004204 | Montana | Non-Transient Non-Community | 15,000 |
| CO WATER DIST OF BILLINGS HEIGHTS | MT0000155 | Montana | Community | 12,000 |
| BELGRADE CITY OF | MT0000136 | Montana | Community | 10,460 |
| WHITEFISH CITY OF | MT0000357 | Montana | Community | 10,418 |
| MISSOULA COUNTY FAIRGROUNDS | MT0004157 | Montana | Transient Non-Community | 10,016 |
| HELLGATE CG HAND PUMP NO 1 | MT0002136 | Montana | Transient Non-Community | 10,000 |
| HAVRE CITY OF | MT0000524 | Montana | Community | 9,921 |
| WEST YELLOWSTONE TOWN OF | MT0003136 | Montana | Community | 9,899 |
| MILES CITY CITY OF | MT0000291 | Montana | Community | 9,565 |
| MALMSTROM AIR FORCE BASE | MT0000515 | Montana | Community | 8,850 |
| FLATHEAD COUNTY WATER AND SEWER | MT0001744 | Montana | Community | 7,775 |
| LIVINGSTON CITY OF | MT0000573 | Montana | Community | 7,500 |
| MANY PINES CAMPGROUND | MT0000747 | Montana | Transient Non-Community | 7,000 |
| ANACONDA WATER DEPARTMENT | MT0000016 | Montana | Community | 6,750 |
| LAUREL MUNICIPAL WATER SYSTEM | MT0000270 | Montana | Community | 6,339 |
| BIGFORK COUNTY WATER AND SEWER | MT0000262 | Montana | Community | 6,100 |
| LEWISTOWN CITY OF | MT0000271 | Montana | Community | 5,923 |
| LOCKWOOD WATER AND SEWER DISTRICT | MT0000156 | Montana | Community | 5,900 |
| ROCKY MOUNTAIN COLLEGE | MT0004796 | Montana | Non-Transient Non-Community | 5,700 |
| HAMILTON CITY OF | MT0000234 | Montana | Community | 5,585 |
| POLSON CITY OF | MT0000308 | Montana | Community | 5,300 |
| HOMESTAKE REST STOP | MT0001951 | Montana | Transient Non-Community | 5,000 |
| SIDNEY CITY OF | MT0000330 | Montana | Community | 5,000 |
| LIBBY CITY OF | MT0000274 | Montana | Community | 4,892 |
| GLENDIVE CITY OF | MT0000229 | Montana | Community | 4,873 |
| BROWNING TOWN OF | MT0000169 | Montana | Community | 4,773 |
| TOWN OF BROWNING | 083090091 | Montana | Community | 4,671 |
| COLUMBIA FALLS CITY OF | MT0000181 | Montana | Community | 4,450 |
| NORTH STAR ZOOT WATER | MT0004284 | Montana | Community | 4,323 |
| DILLON CITY OF | MT0000201 | Montana | Community | 4,300 |
| RIVER ROCK COUNTY WATER AND SEWER DIST | MT0004082 | Montana | Community | 4,200 |
| BIG SKY COUNTY WATER AND SEWER DIST 363 | MT0002385 | Montana | Community | 4,132 |
| VALLEY WATER COMPANY | MT0001577 | Montana | Community | 4,000 |
| SHELBY CITY OF | MT0000328 | Montana | Community | 3,970 |
| RIDGE RUN | MT0005108 | Montana | Transient Non-Community | 3,500 |
| GLASGOW WATER CONDITIONING | MT0003401 | Montana | Community | 3,500 |
| HARDIN CITY OF | MT0000235 | Montana | Community | 3,500 |
| LOLO WATER AND SEWER DIST | MT0000278 | Montana | Community | 3,315 |
| QUARTZ FLAT REST STOP WEST | MT0002691 | Montana | Transient Non-Community | 3,301 |
| QUARTZ FLAT REST STOP EAST | MT0001944 | Montana | Transient Non-Community | 3,301 |
| TOWN PUMP ROCKER 1 | MT0003746 | Montana | Non-Transient Non-Community | 3,257 |