Water Quality: San Dimas, CA
6 water systems • 157,316 people served
No Health Violations4
Total Violations
0
Health-Based Violations
6
Water Systems
157,316
Population Served
Water Quality Summary
San Dimas has no health-based drinking water violations on record in the EPA SDWIS database. There are 4 monitoring or reporting violations, which typically means the system missed a testing deadline rather than finding a contaminant above safe levels.
Water Systems Serving San Dimas
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| GSWC-SAN DIMAS | CA1910142 | Surface Water | 56,538 | 0 |
| GSWC - CLAREMONT | CA1910024 | Surface Water | 39,730 | 4 |
| GSWC-SOUTH ARCADIA | CA1910212 | Groundwater | 27,072 | 0 |
| GSWC-SOUTH SAN GABRIEL | CA1910223 | Surface Water | 26,240 | 0 |
| GSWC - CALIPATRIA | CA1310003 | Surface Water | 7,363 | 0 |
| GOLDEN STATE WATER MORONGO DELNORTE | CA3600270 | Groundwater | 373 | 0 |
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.