PlainEnviro

NPS-WOLVERTON

PWSID: CA5410503 · Three Rivers, CA · Serves 2,940 people

Health Violations

NPS-WOLVERTON has 107 health-based violations out of 107 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
2,940
Total Violations
107
Health Violations
107
Source Type
Surface Water

NPS-WOLVERTON (PWSID CA5410503) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 2,940 people in Three Rivers, CA, and is subject to primacy enforcement by the California drinking-water program.

The system's federal compliance record contains 107 total violations, with 107 classified as health-based (MCL exceedances or treatment-technique failures). 3 distinct contaminants have been cited, including Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Arsenic. Recorded violations span 2004–2020.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time 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 (107)

What contaminants are in this water system?

Contaminant Violations Health-Based
Haloacetic Acids (HAA5) 58 58
Total Trihalomethanes (TTHM) 48 48
Arsenic 1 1

Violation History (107)

Contaminant Health Date
Haloacetic Acids (HAA5) Yes Jul 1, 2020
Haloacetic Acids (HAA5) Yes Apr 1, 2020
Haloacetic Acids (HAA5) Yes Jan 1, 2020
Haloacetic Acids (HAA5) Yes Apr 1, 2018
Total Trihalomethanes (TTHM) Yes Jan 1, 2018
Haloacetic Acids (HAA5) Yes Jan 1, 2018
Total Trihalomethanes (TTHM) Yes Oct 1, 2017
Haloacetic Acids (HAA5) Yes Oct 1, 2017
Total Trihalomethanes (TTHM) Yes Jul 1, 2017
Haloacetic Acids (HAA5) Yes Jul 1, 2017
Haloacetic Acids (HAA5) Yes Apr 1, 2017
Haloacetic Acids (HAA5) Yes Jan 1, 2017
Total Trihalomethanes (TTHM) Yes Jan 1, 2017
Haloacetic Acids (HAA5) Yes Oct 1, 2016
Haloacetic Acids (HAA5) Yes Jul 1, 2016
Total Trihalomethanes (TTHM) Yes Apr 1, 2016
Haloacetic Acids (HAA5) Yes Apr 1, 2016
Total Trihalomethanes (TTHM) Yes Jan 1, 2016
Haloacetic Acids (HAA5) Yes Jan 1, 2016
Total Trihalomethanes (TTHM) Yes Oct 1, 2015
Haloacetic Acids (HAA5) Yes Oct 1, 2015
Total Trihalomethanes (TTHM) Yes Jul 1, 2015
Haloacetic Acids (HAA5) Yes Jul 1, 2015
Total Trihalomethanes (TTHM) Yes Apr 1, 2015
Haloacetic Acids (HAA5) Yes Apr 1, 2015
Total Trihalomethanes (TTHM) Yes Jan 1, 2015
Haloacetic Acids (HAA5) Yes Jan 1, 2015
Total Trihalomethanes (TTHM) Yes Oct 1, 2014
Haloacetic Acids (HAA5) Yes Oct 1, 2014
Total Trihalomethanes (TTHM) Yes Jul 1, 2014
Haloacetic Acids (HAA5) Yes Jul 1, 2014
Arsenic Yes Apr 1, 2014
Haloacetic Acids (HAA5) Yes Jul 1, 2013
Haloacetic Acids (HAA5) Yes Jul 1, 2013
Total Trihalomethanes (TTHM) Yes Jul 1, 2013
Total Trihalomethanes (TTHM) Yes Jul 1, 2013
Total Trihalomethanes (TTHM) Yes Apr 1, 2013
Total Trihalomethanes (TTHM) Yes Apr 1, 2013
Haloacetic Acids (HAA5) Yes Apr 1, 2013
Haloacetic Acids (HAA5) Yes Apr 1, 2013
Total Trihalomethanes (TTHM) Yes Jan 1, 2013
Total Trihalomethanes (TTHM) Yes Jan 1, 2013
Haloacetic Acids (HAA5) Yes Jan 1, 2013
Haloacetic Acids (HAA5) Yes Jan 1, 2013
Total Trihalomethanes (TTHM) Yes Oct 1, 2012
Total Trihalomethanes (TTHM) Yes Oct 1, 2012
Haloacetic Acids (HAA5) Yes Oct 1, 2012
Haloacetic Acids (HAA5) Yes Oct 1, 2012
Haloacetic Acids (HAA5) Yes Jul 1, 2012
Total Trihalomethanes (TTHM) Yes Apr 1, 2012
Haloacetic Acids (HAA5) Yes Apr 1, 2012
Total Trihalomethanes (TTHM) Yes Jan 1, 2012
Haloacetic Acids (HAA5) Yes Jan 1, 2012
Total Trihalomethanes (TTHM) Yes Oct 1, 2011
Haloacetic Acids (HAA5) Yes Oct 1, 2011
Total Trihalomethanes (TTHM) Yes Jul 1, 2011
Haloacetic Acids (HAA5) Yes Jul 1, 2011
Total Trihalomethanes (TTHM) Yes Apr 1, 2011
Haloacetic Acids (HAA5) Yes Apr 1, 2011
Total Trihalomethanes (TTHM) Yes Jan 1, 2011
Haloacetic Acids (HAA5) Yes Jan 1, 2011
Total Trihalomethanes (TTHM) Yes Oct 1, 2010
Haloacetic Acids (HAA5) Yes Oct 1, 2010
Total Trihalomethanes (TTHM) Yes Jul 1, 2010
Haloacetic Acids (HAA5) Yes Jul 1, 2010
Total Trihalomethanes (TTHM) Yes Apr 1, 2010
Haloacetic Acids (HAA5) Yes Apr 1, 2010
Total Trihalomethanes (TTHM) Yes Jan 1, 2010
Haloacetic Acids (HAA5) Yes Jan 1, 2010
Total Trihalomethanes (TTHM) Yes Oct 1, 2009
Haloacetic Acids (HAA5) Yes Oct 1, 2009
Total Trihalomethanes (TTHM) Yes Jul 1, 2009
Haloacetic Acids (HAA5) Yes Jul 1, 2009
Haloacetic Acids (HAA5) Yes Apr 1, 2009
Total Trihalomethanes (TTHM) Yes Apr 1, 2009
Total Trihalomethanes (TTHM) Yes Jan 1, 2009
Haloacetic Acids (HAA5) Yes Jan 1, 2009
Total Trihalomethanes (TTHM) Yes Oct 1, 2008
Haloacetic Acids (HAA5) Yes Oct 1, 2008
Total Trihalomethanes (TTHM) Yes Jul 1, 2008
Haloacetic Acids (HAA5) Yes Jul 1, 2008
Total Trihalomethanes (TTHM) Yes Apr 1, 2008
Haloacetic Acids (HAA5) Yes Apr 1, 2008
Haloacetic Acids (HAA5) Yes Jan 1, 2008
Total Trihalomethanes (TTHM) Yes Jan 1, 2008
Haloacetic Acids (HAA5) Yes Oct 1, 2007
Total Trihalomethanes (TTHM) Yes Oct 1, 2007
Haloacetic Acids (HAA5) Yes Jul 1, 2007
Total Trihalomethanes (TTHM) Yes Jul 1, 2007
Haloacetic Acids (HAA5) Yes Apr 1, 2007
Haloacetic Acids (HAA5) Yes Jan 1, 2007
Total Trihalomethanes (TTHM) Yes Jul 1, 2006
Haloacetic Acids (HAA5) Yes Jul 1, 2006
Total Trihalomethanes (TTHM) Yes Apr 1, 2006
Haloacetic Acids (HAA5) Yes Apr 1, 2006
Total Trihalomethanes (TTHM) Yes Jan 1, 2006
Haloacetic Acids (HAA5) Yes Jan 1, 2006
Total Trihalomethanes (TTHM) Yes Oct 1, 2005
Haloacetic Acids (HAA5) Yes Oct 1, 2005
Total Trihalomethanes (TTHM) Yes Jul 1, 2005
Showing 100 of 107 violations.

Frequently Asked Questions

Is NPS-WOLVERTON water safe to drink?
NPS-WOLVERTON has 107 health-based violations out of 107 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses surface water water as its source.
How many people does NPS-WOLVERTON serve?
NPS-WOLVERTON serves 2,940 people in Three Rivers, CA. It is classified as a CWS water system.
What violations does NPS-WOLVERTON have?
NPS-WOLVERTON has 107 total violations on record spanning 2004–2020. 107 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in NPS-WOLVERTON water?
Violations have been recorded for 3 contaminants. The most frequent: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHM), Arsenic.

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About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

Read our methodology - how this data is sourced, computed, and verified.

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