Water Quality: Marysville, CA
5 water systems • 22,264 people served
Multiple Health ViolationsWater Quality Summary
Marysville is served by 5 public water systems with a combined service population of 22,264 people, and has 60 EPA Safe Drinking Water Act violations on record. Critically, 9 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Marysville's violation count is 25% above the national average for California. Contaminants associated with violations include Barium, Contaminant 1028, Contaminant 1032, E. coli, Gross Alpha.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Water Systems Serving Marysville
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| LINDA COUNTY WATER DISTRICT | CA5810002 | Groundwater | 21,654 | 7 |
| RIVER HIGHLANDS CSD | CA5800820 | Groundwater | 200 | 3 |
| CASTLEWOOD MOBILE HOME PARK | CA5800832 | Groundwater | 200 | 10 |
| COUNTRYSIDE MOBILE HOME PARK | CA5800828 | Groundwater | 185 | 31 |
| HARMONY VILLAGE | CA5100125 | Groundwater | 25 | 9 |
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.