Water Quality: Three Rivers, CA
12 water systems • 10,513 people served
Multiple Health ViolationsWater Quality Summary
Three Rivers has 128 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Barium, E. coli, Fecal Coliform, Gross Alpha, Stage 2 DBP, TTHM, Total Haloacetic Acids (HAA5). In total, 208 violations are on record for 12 water systems serving 10,513 people.
Contaminants Found
Water Systems Serving Three Rivers
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| NPS-GRANT GROVE | CA1010501 | Groundwater | 2,950 | 6 |
| NPS-WOLVERTON | CA5410503 | Surface Water | 2,940 | 117 |
| NPS-ASH MOUNTAIN | CA5410513 | Surface Water | 2,930 | 5 |
| NORTH KAWEAH MUTUAL WATER COMPANY | CA5400506 | Surface Water | 560 | 10 |
| SOUTH KAWEAH MUTUAL WATER COMPANY | CA5400754 | Groundwater | 384 | 16 |
| SIERRA KING HOMEOWNERS ASSN | CA5400940 | Groundwater | 260 | 0 |
| IMPROVEMENT DISTRICT NO. 1 | CA5400968 | Surface Water | 200 | 9 |
| SOUTH FORK ESTATES MUTUAL WATER CO | CA5403113 | Groundwater | 106 | 0 |
| DEER MEADOW MUTUAL WATER COMPANY | CA5401026 | Groundwater | 70 | 8 |
| RIVER RETREAT MUTUAL WATER COMPANY | CA5400556 | Groundwater | 40 | 22 |
| EAST THREE RIVERS MUTUAL WATER CORP | CA5400744 | Groundwater | 40 | 8 |
| VILLAGE APARTMENTS | CA5400875 | Groundwater | 33 | 7 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.