CALIFORNIA WATER SERVICE - SAN CARLOS Water Quality Report
Population
35,344
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 3 health-based
System Details
- PWSID
- CA4110007
- Population Served
- 35,344
- Water Source
- Surface Water
- Owner
- Private
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0200 | ✕ Health-Based | 3 |
Violation History
2015
3
Total violations on record: 3
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
3violations total
11% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 5× the national average.