Water Quality: Redwood City, CA
3 water systems • 93,569 people served
Multiple Health Violations66
Total Violations
11
Health-Based Violations
3
Water Systems
93,569
Population Served
Water Quality Summary
Redwood City has 11 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: E. coli, Fecal Coliform, TTHM, Total Haloacetic Acids (HAA5). In total, 66 violations are on record for 3 water systems serving 93,569 people.
Contaminants Found
E. coli
Fecal Coliform
TTHM
Total Haloacetic Acids (HAA5)
Water Systems Serving Redwood City
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF REDWOOD CITY | CA4110022 | Surface Water | 92,819 | 3 |
| COUNTY SERVICE AREA 11 | CA4100582 | Groundwater | 450 | 30 |
| COUNTY SERVICE AREA 7 | CA4100509 | Surface Water | 300 | 33 |
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.