Water Quality: Paso Robles, CA
9 water systems • 35,803 people served
Multiple Health Violations130
Total Violations
105
Health-Based Violations
9
Water Systems
35,803
Population Served
Water Quality Summary
Paso Robles has 105 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Arsenic, Barium, Lead, Stage 2 DBP, TTHM, Total Haloacetic Acids (HAA5). In total, 130 violations are on record for 9 water systems serving 35,803 people.
Contaminants Found
Arsenic
Barium
Lead
Stage 2 DBP
TTHM
Total Haloacetic Acids (HAA5)
Water Systems Serving Paso Robles
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF PASO ROBLES WATER DIVISION | CA4010007 | Surface Water | 31,176 | 1 |
| HERITAGE RANCH CSD | CA4010012 | Surface Water | 2,956 | 57 |
| CROWN POINTE ESTATES AT MALIBU, LLC | CA5610006 | Groundwater | 690 | 1 |
| WALNUT HILLS MUTUAL WATER CO | CA4000670 | Groundwater | 486 | 0 |
| GREEN RIVER MUTUAL WATER CO. | CA4000554 | Groundwater | 350 | 6 |
| RANCHO SALINAS MBWC | CA4000803 | Groundwater | 50 | 3 |
| ALMIRA WATER ASSOCIATION | CA4000631 | Groundwater | 40 | 46 |
| MUSTANG SPRINGS MUTUAL WATER | CA4000775 | Groundwater | 30 | 10 |
| ADA'S LODGES | CA4000839 | Groundwater | 25 | 6 |
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.