Skip to content
AquaCensus

Public water system · TX1230003

Active

Jefferson County Wcid 10

At a glance

Jefferson County Wcid 10 (PWSID TX1230003) is an active community water system in Jefferson County, Texas. It reports serving 4,605 people through 1,792 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, 9 are health-based, and the most recent began in April 2026.

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

Population served

4,605

Service connections

1,792

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDTX1230003
System typeCommunity water system
Activity statusActive
Population served4,605
Service connections1,792
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyJefferson County

How does Jefferson County Wcid 10 compare with other water systems in Jefferson County?

By EPA's size categories, Jefferson County Wcid 10 is a medium system (3,301 to 10,000 people). Jefferson County has 25 active public water systems. Its population served is about half of the county average of 10,226 people per system, and accounts for 1.8% of the 255,661 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Jefferson County Wcid 10 is about 31% 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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 328 Texas systems (4.6%) list surface water as their primary source.

Who owns and regulates Jefferson County Wcid 10?

EPA lists Jefferson County Wcid 10 as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 13 of the 25 active systems in Jefferson County (52%) are also owned by a local government.

Does Jefferson County Wcid 10 have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in April 2026. The violations listed here began between October 2020 and April 2026. By type: 8 contaminant level above the legal limit, 1 public notice, recordkeeping or other, 1 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Haloacetic acids (HAA5) (4 of them). EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2026-04-07Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2026-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2026-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2025-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoResolved
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Haloacetic acids (HAA5)code 2456YesResolved
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2020-10-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved

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.

Jefferson County Wcid 10: frequently asked questions

Who runs Jefferson County Wcid 10?

Jefferson County Wcid 10 (PWSID TX1230003) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Jefferson County Wcid 10 serve?

Jefferson County Wcid 10 reports serving 4,605 people through 1,792 service connections in Jefferson County, Texas.

Where does Jefferson County Wcid 10 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 Jefferson County Wcid 10 have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in April 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 Jefferson County Wcid 10'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, 9 are health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Jefferson County Wcid 10's water quality report?

As a community water system, Jefferson County Wcid 10 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 Jefferson County

Water systemCountyPopulation servedTypeSource
City of Beaumont Water Utility DeptJefferson115,282CommunitySurface water
City of Port ArthurJefferson56,039CommunitySurface water
City of NederlandJefferson18,157CommunitySurface water
City of GrovesJefferson17,335CommunitySurface water
City of Port NechesJefferson17,043CommunitySurface water
West Jefferson County MwdJefferson9,367CommunitySurface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Jefferson County Wcid 10, PWSID TX1230003, Texas”, https://aquacensus.com/water-systems/texas/jefferson-county-wcid-10-tx1230003 (data as of October 1, 2026).