Water Quality: Plymouth, CA
3 water systems • 1,399 people served
Multiple Health ViolationsWater Quality Summary
Plymouth is served by 3 public water systems with a combined service population of 1,399 people, and has 41 EPA Safe Drinking Water Act violations on record. Critically, 7 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Plymouth's violation count is 15% below the national average for California. Contaminants associated with violations include Disinfection Byproducts, TTHM.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Water Systems Serving Plymouth
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| PLYMOUTH, CITY OF | CA0310004 | Surface Water | 1,060 | 23 |
| HOPE FOUNDATION/MORIAH HEIGHTS | CA0300062 | Groundwater | 299 | 14 |
| IONE BAND OF MIWOK INDIANS | CA0300078 | Groundwater | 40 | 4 |
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.
Other Cities in California
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.