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Public water system · CA1010025

Active

City of Parlier

At a glance

City of Parlier (PWSID CA1010025) is an active community water system in Fresno County, California. It reports serving 14,576 people through 2,711 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

14,576

Service connections

2,711

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA1010025
System typeCommunity water system
Activity statusActive
Population served14,576
Service connections2,711
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City servedParlier
StateCalifornia
ZIP—
CountyFresno County

How does City of Parlier compare with other water systems in Fresno County?

By EPA's size categories, City of Parlier is a large system (10,001 to 100,000 people). Fresno County has 328 active public water systems. Its population served is about 4.5 times the county average of 3,205 people per system, and accounts for 1.4% of the 1,051,276 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Parlier is about twice that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.

Who owns and regulates City of Parlier?

EPA lists City of Parlier as owned by a local government. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 89 of the 328 active systems in Fresno County (27%) are also owned by a local government.

Does City of Parlier have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2024. The violations listed here began between October 1995 and October 2024. By type: 9 contaminant level above the legal limit, 1 required treatment not met, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 10 as resolved and 2 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesUnaddressed
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoUnaddressed
2015-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2013-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2006-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2005-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1998-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1995-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

City of Parlier: frequently asked questions

Who runs City of Parlier?

City of Parlier (PWSID CA1010025) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does City of Parlier serve?

City of Parlier reports serving 14,576 people through 2,711 service connections in Fresno County, California.

Where does City of Parlier get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does City of Parlier have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is City of Parlier's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find City of Parlier's water quality report?

As a community water system, City of Parlier must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Fresno County

Water systemCountyPopulation servedTypeSource
City of FresnoFresno545,716CommunitySurface water
City of ClovisFresno130,130CommunitySurface water
California State University FresnoFresno41,000CommunityGroundwater
Cws - SelmaFresno26,517CommunityGroundwater
City of SangerFresno26,357CommunityGroundwater
Reedley, City ofFresno26,076CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “City of Parlier, PWSID CA1010025, California”, https://aquacensus.com/water-systems/california/city-of-parlier-ca1010025 (data as of October 1, 2026).