Water Quality: Rancho Santa Margarita, CA
3 water systems • 207,973 people served
No Health Violations10
Total Violations
0
Health-Based Violations
3
Water Systems
207,973
Population Served
Water Quality Summary
Rancho Santa Margarita has no health-based drinking water violations on record in the EPA SDWIS database. There are 10 monitoring or reporting violations, which typically means the system missed a testing deadline rather than finding a contaminant above safe levels.
Water Systems Serving Rancho Santa Margarita
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SANTA MARGARITA WATER DISTRICT | CA3010101 | Surface Water | 168,289 | 0 |
| SANTA MARGARITA WATER DISTRICT-ID9 | CA3010030 | Surface Water | 39,684 | 8 |
| SAN JUAN BASIN AUTHORITY | CA3010120 | Groundwater | 0 | 2 |
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.