NPS-WOLVERTON
PWSID: CA5410503 · Three Rivers, CA · Serves 2,940 people
According to EPA Safe Drinking Water Information System (SDWIS), NPS-WOLVERTON (PWSID CA5410503) in Three Rivers, CA is listed as a CWS water system covering about 2,940 people. The same extract lists 119 health-based violation records spanning 2004-2023. Those 119 health-based rows for NPS-WOLVERTON cover contaminants such as Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
NPS-WOLVERTON has 119 health-based violation records in this historical extract. Monitoring and reporting records are not included.
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. 3 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), TTHM, Surface Water Treatment Rule. Recorded violations span 2004–2023. 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)
- CA5410503
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Three Rivers, CA
- Population Served
- 2,940
- Health Violations
- Yes (119)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 70 | 70 |
| TTHM | 48 | 48 |
| Surface Water Treatment Rule | 1 | 1 |
Violation History (119)
Frequently Asked Questions
What does EPA SDWIS list for NPS-WOLVERTON?
How many people does NPS-WOLVERTON serve?
What violations does NPS-WOLVERTON have?
What contaminants have been found in NPS-WOLVERTON water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest NPS-WOLVERTON on cumulative violation count (119) and EPA-reported population served (2,940). Violation-count peers include RYE TOWN OF, TECUMSEH UTILITY AUTHORITY, SCOTTSBURG WATER DEPARTMENT. Population peers include BOWLING GREEN, CITY OF, WINNEBAGO, INTRACOASTAL WATER SYSTEM EAST.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
Explore More
About This Data
NPS-WOLVERTON (CA5410503) is drawn from EPA SDWIS. Nearby county systems in this extract include TULARE, CITY OF; PORTERVILLE, CITY OF; DINUBA, CITY OF; KINGSBURG, CITY OF. Health-based rows (119 MCL/TT) 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.