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Public water system · TX1260018

Active

Johnson County Sud

At a glance

Johnson County Sud (PWSID TX1260018) is an active community water system in Johnson County, Texas. It reports serving 65,517 people through 22,824 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2021.

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

Population served

65,517

Service connections

22,824

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX1260018
System typeCommunity water system
Activity statusActive
Population served65,517
Service connections22,824
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyJohnson County

How does Johnson County Sud compare with other water systems in Johnson County?

By EPA's size categories, Johnson County Sud is a large system (10,001 to 100,000 people). Johnson County has 61 active public water systems, and Johnson County Sud is the largest of them by population served. Its population served is about 17 times the county average of 3,836 people per system, and accounts for 28% of the 234,003 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 Johnson County Sud is about 9.8 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.

Who owns and regulates Johnson County Sud?

EPA lists Johnson County Sud 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 61 active systems in Johnson County (21%) are also owned by a local government.

Does Johnson County Sud have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2021. The violations listed here began between January 2021 and February 2021. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Dalapon, Aldicarb sulfone and Fluoride. EPA lists 11 as archived and 1 as resolved. 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. 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
2021-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Aldicarb sulfonecode 2044NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 032,4-Dcode 2105NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Aldicarbcode 2047NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Dinosebcode 2041NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoArchived
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Carbofurancode 2046NoArchived

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.

Johnson County Sud: frequently asked questions

Who runs Johnson County Sud?

Johnson County Sud (PWSID TX1260018) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Johnson County Sud serve?

Johnson County Sud reports serving 65,517 people through 22,824 service connections in Johnson County, Texas.

Where does Johnson County Sud get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Johnson County Sud have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 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 Johnson County Sud'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, none is health-based, and the most recent began in February 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Johnson County Sud's water quality report?

As a community water system, Johnson County Sud 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 Johnson County

Water systemCountyPopulation servedTypeSource
City of BurlesonJohnson53,381CommunityPurchased surface water
City of CleburneJohnson34,075CommunitySurface water
Bethesda WSCJohnson33,441CommunityPurchased surface water
City of KeeneJohnson6,863CommunityPurchased surface water
City of AlvaradoJohnson6,614CommunityPurchased surface water
Bethany SudJohnson4,503CommunityPurchased surface water

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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, “Johnson County Sud, PWSID TX1260018, Texas”, https://aquacensus.com/water-systems/texas/johnson-county-sud-tx1260018 (data as of October 1, 2026).