YOSEMITE WEST WATER SYSTEM
PWSID: CA2210924 · Mariposa, CA · Serves 420 people
According to EPA Safe Drinking Water Information System (SDWIS), YOSEMITE WEST WATER SYSTEM (PWSID CA2210924) in Mariposa, CA is listed as a CWS water system covering about 420 people. PlainEnviro's health-based extract shows zero health-based violation records for this system. PlainEnviro's extract shows zero health-based violation rows for YOSEMITE WEST WATER SYSTEM; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
YOSEMITE WEST WATER SYSTEM has no health-based violation records in PlainEnviro's EPA SDWIS extract. This does not establish current safety or compliance.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. No contaminant code appears in the extract. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA2210924
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mariposa, CA
- Population Served
- 420
- Health Violations
- None
No Violations on Record
YOSEMITE WEST WATER SYSTEM has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
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Nearby Water Systems
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About This Data
YOSEMITE WEST WATER SYSTEM (CA2210924) is drawn from EPA SDWIS. Nearby county systems in this extract include MARIPOSA PUBLIC UTILITY DIST; YOSEMITE NPS-YOSEMITE VALLEY; PONDEROSA BASIN MUTUAL WTR CO; YOSEMITE NPS-EL PORTAL. Health-based rows (none listed) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.