San Bernardino County, California — public water systems
310 active public water systems serve San Bernardino County, reporting 2.8M people served.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
310
Population served
2.8M
Community systems
146
Groundwater share
87.4%
Water systems in San Bernardino County
| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | San Gabriel Valley Wc - Fontana | San Bernardino | 237,700 | Community | Surface water |
| 2 | San Bernardino City | San Bernardino | 214,665 | Community | Groundwater |
| 3 | Cucamonga Valley Water District | San Bernardino | 211,069 | Community | Surface water |
| 4 | Ontario Municipal Utilities Company | San Bernardino | 185,010 | Community | Purchased surface water |
| 5 | Victorville Water District | San Bernardino | 135,983 | Community | Purchased surface water |
| 6 | San Bernardino Valley Wd | San Bernardino | 109,608 | Community | Groundwater |
| 7 | East Valley Water District | San Bernardino | 108,629 | Community | Surface water |
| 8 | West Valley Water District | San Bernardino | 104,498 | Community | Surface water |
| 9 | Hesperia Wd | San Bernardino | 100,744 | Community | Groundwater |
| 10 | Chino, City of | San Bernardino | 86,435 | Community | Purchased surface water |
| 11 | Big Bear Administration | San Bernardino | 81,075 | Non-transient non-community | Groundwater |
| 12 | Upland, City of | San Bernardino | 78,376 | Community | Surface water |
| 13 | Redlands City Mud-Water Div | San Bernardino | 78,025 | Community | Surface water |
| 14 | Chino Hills, City of | San Bernardino | 76,414 | Community | Purchased surface water |
| 15 | Snow Summit | San Bernardino | 75,500 | Non-transient non-community | Groundwater |
| 16 | Liberty Utilities (Av Ranchos) Corp. | San Bernardino | 64,469 | Community | Groundwater |
| 17 | Park Moabi | San Bernardino | 64,267 | Non-transient non-community | Groundwater |
| 18 | Monte Vista Wd | San Bernardino | 56,017 | Community | Purchased surface water |
| 19 | Rialto, City of | San Bernardino | 54,453 | Community | Purchased surface water |
| 20 | Yucaipa Valley Water District | San Bernardino | 52,010 | Community | Surface water |
| 21 | Colton, City of | San Bernardino | 46,525 | Community | Groundwater |
| 22 | Adelanto, City of | San Bernardino | 39,930 | Community | Groundwater |
| 23 | Golden State Water Co - Barstow | San Bernardino | 32,547 | Community | Groundwater |
| 24 | Hi Desert Wd | San Bernardino | 26,411 | Community | Groundwater |
| 25 | Big Bear Lake Dwp - Big Bear System | San Bernardino | 26,132 | Community | Groundwater |
| 26 | Loma Linda, City of | San Bernardino | 25,129 | Community | Groundwater |
| 27 | Calico Ghost Town | San Bernardino | 24,648 | Non-transient non-community | Groundwater |
| 28 | Phelan Pinon Hills Csd | San Bernardino | 24,285 | Community | Groundwater |
| 29 | Riverside Highland Water Company | San Bernardino | 20,188 | Community | Groundwater |
| 30 | Twentynine Palms Water District | San Bernardino | 18,795 | Community | Groundwater |
| 31 | Us Army Fort Irwin | San Bernardino | 15,701 | Community | Groundwater |
| 32 | Loma Linda University | San Bernardino | 15,368 | Community | Groundwater |
| 33 | Usmc - 29 Palms | San Bernardino | 15,248 | Community | Groundwater |
| 34 | Thousand Pines Christian | San Bernardino | 15,034 | Non-transient non-community | Groundwater |
| 35 | Sbdno County Service Area 64 | San Bernardino | 14,911 | Community | Groundwater |
| 36 | Hanna Flats Campground | San Bernardino | 14,380 | Transient non-community | Groundwater |
| 37 | Muscoy Mwc No. 1 | San Bernardino | 13,000 | Community | Groundwater |
| 38 | Sbdno County Service Area 70j | San Bernardino | 12,843 | Community | Groundwater |
| 39 | Big Bear City Csd | San Bernardino | 12,738 | Community | Groundwater |
| 40 | Crestline Village Cwd - Division 10 | San Bernardino | 11,650 | Community | Purchased surface water |
| 41 | California Institution for Men | San Bernardino | 10,667 | Community | Groundwater |
| 42 | Green Valley Campground | San Bernardino | 9,939 | Transient non-community | Groundwater |
| 43 | Needles, City of | San Bernardino | 8,766 | Community | Groundwater |
| 44 | Western Heights Water Company | San Bernardino | 7,705 | Community | Purchased surface water |
| 45 | Lake Arrowhead Csd | San Bernardino | 7,038 | Community | Surface water |
| 46 | Arrowhead Regional Medical Center | San Bernardino | 7,000 | Non-transient non-community | Purchased groundwater |
| 47 | Joshua Basin Water District | San Bernardino | 6,640 | Community | Groundwater |
| 48 | Ymca Camp Whittle | San Bernardino | 6,466 | Transient non-community | Groundwater |
| 49 | Helendale Community Service District | San Bernardino | 6,347 | Community | Groundwater |
| 50 | Golden State Water Co - Apple Vly South | San Bernardino | 6,208 | Community | Groundwater |