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Public water system · CA1010044

Active

Huron, City of

At a glance

City of Huron (PWSID CA1010044) is an active community water system in Fresno County, California. It reports serving 9,306 people through 981 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in March 2026.

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

Population served

9,306

Service connections

981

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDCA1010044
System typeCommunity water system
Activity statusActive
Population served9,306
Service connections981
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyCA state drinking water program
City servedHuron
StateCalifornia
ZIP—
CountyFresno County

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

By EPA's size categories, City of Huron is a medium system (3,301 to 10,000 people). Fresno County has 328 active public water systems. Its population served is about 190% above the county average of 3,205 people per system, and accounts for 0.9% 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 Huron is about 39% above 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.

Who owns and regulates City of Huron?

EPA lists City of Huron 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 Huron have drinking water violations?

Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in March 2026. The violations listed here began between July 2019 and March 2026. By type: 9 contaminant level above the legal limit and 3 required treatment not met. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (9 of them). EPA lists 12 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2026-03-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived
2026-02-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived
2021-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2021-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2021-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2020-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2020-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2020-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2020-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2019-10-01Required treatment not metTreatment Technique Precursor Removal · code 46Carbon, totalcode 2920YesArchived
2019-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
2019-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived

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 Huron: frequently asked questions

Who runs City of Huron?

City of Huron (PWSID CA1010044) 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 Huron serve?

City of Huron reports serving 9,306 people through 981 service connections in Fresno County, California.

Where does City of Huron get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does City of Huron have any drinking water violations?

Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in March 2026. 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 Huron'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, 12 are health-based, and the most recent began in March 2026. 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 Huron's water quality report?

As a community water system, City of Huron 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, “Huron, City of, PWSID CA1010044, California”, https://aquacensus.com/water-systems/california/huron-city-of-ca1010044 (data as of October 1, 2026).