TUD - COLUMBIA WATER SYSTEM
PWSID: CA5510013 · Sonora, CA · Serves 5,463 people
According to EPA Safe Drinking Water Information System (SDWIS), TUD - COLUMBIA WATER SYSTEM (PWSID CA5510013) in Sonora, CA is listed as a CWS water system covering about 5,463 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 TUD - COLUMBIA WATER SYSTEM; those counts stay historical EPA registry rows, not a current compliance or drinkability score.
TUD - COLUMBIA 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)
- CA5510013
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Sonora, CA
- Population Served
- 5,463
- Health Violations
- None
No Violations on Record
TUD - COLUMBIA WATER SYSTEM has no violations recorded in the EPA Safe Drinking Water Information System.
Frequently Asked Questions
What does EPA SDWIS list for TUD - COLUMBIA WATER SYSTEM?
How many people does TUD - COLUMBIA WATER SYSTEM serve?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TUD - COLUMBIA WATER SYSTEM on cumulative violation count (0) and EPA-reported population served (5,463). Population peers include ST. CLAIR, CITY OF, WAYNESVILLE PWS, CITY OF ROCKDALE.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
TUD - COLUMBIA WATER SYSTEM (CA5510013) is drawn from EPA SDWIS. Nearby county systems in this extract include TUD - UPPER BASIN WATER SYSTEM; TUD - SONORA/JAMESTOWN WATER SYSTEM; CDCR - SIERRA CONSERVATION CENTER; GROVELAND COMMUNITY SERV DIST. 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.