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Public water system · CA5400641

Active

Teviston Community Services District

At a glance

Teviston Community Services District (PWSID CA5400641) is an active community water system in Tulare County, California. It reports serving 383 people through 116 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2021.

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

Population served

383

Service connections

116

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA5400641
System typeCommunity water system
Activity statusActive
Population served383
Service connections116
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyTulare County

How does Teviston Community Services District compare with other water systems in Tulare County?

By EPA's size categories, Teviston Community Services District is a very small system (500 people or fewer). Tulare County has 274 active public water systems. Its population served is well below the county average of 1,700 people per system, and accounts for less than 0.1% of the 465,710 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 Teviston Community Services District is well below 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 Teviston Community Services District?

EPA lists Teviston Community Services District 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. 66 of the 274 active systems in Tulare County (24%) are also owned by a local government.

Does Teviston Community Services District have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2021. The violations listed here began between October 1980 and December 2021. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 5 as resolved and 3 as archived. 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. 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
2021-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1983-07-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1981-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1980-10-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 8 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.

Teviston Community Services District: frequently asked questions

Who runs Teviston Community Services District?

Teviston Community Services District (PWSID CA5400641) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Teviston Community Services District serve?

Teviston Community Services District reports serving 383 people through 116 service connections in Tulare County, California.

Where does Teviston Community Services District 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 Teviston Community Services District have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2021. 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 Teviston Community Services District'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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Teviston Community Services District's water quality report?

As a community water system, Teviston Community Services District 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 Tulare County

Water systemCountyPopulation servedTypeSource
Cws - VisaliaTulare148,496CommunityGroundwater
Tulare, City ofTulare72,241CommunityGroundwater
Porterville, City ofTulare63,487CommunityGroundwater
Dinuba, City ofTulare27,281CommunityGroundwater
Lindsay, City ofTulare12,659CommunitySurface water
Exeter, City ofTulare11,169CommunityGroundwater

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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, “Teviston Community Services District, PWSID CA5400641, California”, https://aquacensus.com/water-systems/california/teviston-community-services-district-ca5400641 (data as of October 1, 2026).