PlainEnviro

SIERRA MUTUAL WATER COMPANY

PWSID: CA5403110 · Porterville, CA · Serves 43 people

According to EPA Safe Drinking Water Information System (SDWIS), SIERRA MUTUAL WATER COMPANY (PWSID CA5403110) in Porterville, CA is listed as a CWS water system covering about 43 people. The same extract lists 66 health-based violation records spanning 2009-2021. Those 66 health-based rows for SIERRA MUTUAL WATER COMPANY cover contaminants such as Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

SIERRA MUTUAL WATER COMPANY has 66 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
43
Health-Based Violation Records
66
Distinct Contaminant Codes
1
Source Type
Groundwater

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. 1 distinct EPA contaminant code appears in this system's record, including Nitrate. Recorded violations span 2009–2021. 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)
CA5403110
System Type
CWS
Water Source
Groundwater
Location
Porterville, CA
Population Served
43
Health Violations
Yes (66)

What contaminants are in this water system?

Contaminant Violations Health-Based
Nitrate 66 66

Violation History (66)

Contaminant Health Date
Nitrate Yes Jul 1, 2021
Nitrate Yes Jul 1, 2021
Nitrate Yes Apr 1, 2021
Nitrate Yes Apr 1, 2021
Nitrate Yes Jan 1, 2021
Nitrate Yes Jan 1, 2021
Nitrate Yes Oct 1, 2020
Nitrate Yes Oct 1, 2020
Nitrate Yes Apr 1, 2020
Nitrate Yes Apr 1, 2020
Nitrate Yes Jan 1, 2020
Nitrate Yes Jan 1, 2020
Nitrate Yes Oct 1, 2019
Nitrate Yes Oct 1, 2019
Nitrate Yes Jul 1, 2019
Nitrate Yes Jul 1, 2019
Nitrate Yes Apr 1, 2019
Nitrate Yes Apr 1, 2019
Nitrate Yes Jan 1, 2019
Nitrate Yes Jan 1, 2019
Nitrate Yes Oct 1, 2018
Nitrate Yes Oct 1, 2018
Nitrate Yes Jul 1, 2018
Nitrate Yes Jul 1, 2018
Nitrate Yes Apr 1, 2018
Nitrate Yes Apr 1, 2018
Nitrate Yes Oct 1, 2017
Nitrate Yes Oct 1, 2017
Nitrate Yes Jul 1, 2017
Nitrate Yes Jul 1, 2017
Nitrate Yes Apr 1, 2017
Nitrate Yes Apr 1, 2017
Nitrate Yes Jan 1, 2017
Nitrate Yes Jan 1, 2017
Nitrate Yes Oct 1, 2016
Nitrate Yes Oct 1, 2016
Nitrate Yes Jul 1, 2016
Nitrate Yes Jul 1, 2016
Nitrate Yes Jan 1, 2016
Nitrate Yes Jan 1, 2016
Nitrate Yes Jan 1, 2014
Nitrate Yes Jan 1, 2014
Nitrate Yes Oct 1, 2013
Nitrate Yes Oct 1, 2013
Nitrate Yes Jul 1, 2013
Nitrate Yes Jul 1, 2013
Nitrate Yes Apr 1, 2013
Nitrate Yes Apr 1, 2013
Nitrate Yes Jan 1, 2013
Nitrate Yes Jan 1, 2013
Nitrate Yes Jul 1, 2011
Nitrate Yes Jul 1, 2011
Nitrate Yes Apr 1, 2011
Nitrate Yes Apr 1, 2011
Nitrate Yes Jan 1, 2011
Nitrate Yes Jan 1, 2011
Nitrate Yes Oct 1, 2010
Nitrate Yes Oct 1, 2010
Nitrate Yes Jul 1, 2010
Nitrate Yes Jul 1, 2010
Nitrate Yes Apr 1, 2010
Nitrate Yes Apr 1, 2010
Nitrate Yes Jan 1, 2010
Nitrate Yes Jan 1, 2010
Nitrate Yes Jan 1, 2009
Nitrate Yes Jan 1, 2009

Frequently Asked Questions

What does EPA SDWIS list for SIERRA MUTUAL WATER COMPANY?
SIERRA MUTUAL WATER COMPANY has 66 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does SIERRA MUTUAL WATER COMPANY serve?
SIERRA MUTUAL WATER COMPANY serves 43 people in Porterville, CA. It is classified as a CWS water system.
What violations does SIERRA MUTUAL WATER COMPANY have?
SIERRA MUTUAL WATER COMPANY has 66 health-based violation records in PlainEnviro's extract spanning 2009–2021. Monitoring and reporting records are not included.
What contaminants have been found in SIERRA MUTUAL WATER COMPANY water?
Violations have been recorded for 1 contaminant. The most frequent: Nitrate.

Compare beyond California

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest SIERRA MUTUAL WATER COMPANY on cumulative violation count (66) and EPA-reported population served (43). Violation-count peers include SABINE PARISH WD #1 - POWHATAN, WELCH PWA, TREASURE ISLAND MUD.

Similar violation count

Nearest cross-state community systems (500+ served) by SDWIS violations on record.

Nearby Water Systems

TULARE, CITY OF
Tulare · 72,241 served
Clean
PORTERVILLE, CITY OF
Porterville · 63,487 served
1 viol.
DINUBA, CITY OF
Dinuba · 27,281 served
6 viol.
KINGSBURG, CITY OF
Kingsburg · 13,540 served
33 viol.
LINDSAY, CITY OF
Lindsay · 12,659 served
175 viol.
EXETER, CITY OF
Exeter · 11,169 served
2 viol.
FARMERSVILLE, CITY OF
Farmersville · 10,243 served
1 viol.
CITY OF ORANGE COVE
Orange Cove · 9,525 served
5 viol.
OROSI PUBLIC UTILITY DISTRICT
Orosi · 8,300 served
Clean
WOODLAKE, CITY OF
Woodlake · 7,846 served
2 viol.
EARLIMART PUD
Earlimart · 7,679 served
1 viol.
CUTLER PUD
Cutler · 6,200 served
27 viol.

Explore More

California Water Systems → All States → Contaminants →

About This Data

SIERRA MUTUAL WATER COMPANY (CA5403110) 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 (66 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.

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