Public water system · TX2210008

Active

Potosi WSC

At a glance

Potosi WSC (PWSID TX2210008) is an active community water system in Taylor County, Texas. It reports serving 7,413 people through 2,471 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, 5 are health-based, and the most recent began in July 2023.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

7,413

Service connections

2,471

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX2210008

System typeCommunity water system

Activity statusActive

Population served7,413

Service connections2,471

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyTaylor County

How does Potosi WSC compare with other water systems in Taylor County?

By EPA's size categories, Potosi WSC is a medium system (3,301 to 10,000 people). Taylor County has 19 active public water systems, and Potosi WSC is the 3rd-largest of them by population served. Its population served is about 19% below the county average of 9,124 people per system, and accounts for 4.3% of the 173,358 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 Potosi WSC is about 11% 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. 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 Potosi WSC?

EPA lists Potosi WSC 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 19 active systems in Taylor County (68%) are also owned by a local government.

Does Potosi WSC have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2023. The violations listed here began between January 2019 and July 2023. By type: 5 contaminant level above the legal limit, 4 public notice, recordkeeping or other and 3 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (6 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.

Began	Violation	Contaminant or rule	Health-based	Status
2023-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2023-01-07	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2021-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2020-06-05	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Total trihalomethanes (TTHM)code 2950	No	Resolved
2020-01-21	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2019-12-26	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2019-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2019-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2019-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2019-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2019-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved

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.

Potosi WSC: frequently asked questions

Who runs Potosi WSC?

Potosi WSC (PWSID TX2210008) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Potosi WSC serve?

Potosi WSC reports serving 7,413 people through 2,471 service connections in Taylor County, Texas.

Where does Potosi WSC 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 Potosi WSC have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2023. 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 Potosi WSC'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, 5 are health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Potosi WSC's water quality report?

As a community water system, Potosi WSC 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 Taylor County

Water system	County	Population served	Type	Source
City of Abilene	Taylor	130,501	Community	Surface water
Steamboat Mountain WSC	Taylor	8,178	Community	Purchased surface water
Dyess Air Force Base	Taylor	7,183	Community	Purchased surface water
City of Merkel	Taylor	3,573	Community	Purchased surface water
Sun WSC	Taylor	3,420	Community	Purchased surface water
View Caps WSC	Taylor	2,928	Community	Purchased 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, “Potosi WSC, PWSID TX2210008, Texas”, https://aquacensus.com/water-systems/texas/potosi-wsc-tx2210008 (data as of October 1, 2026).