Skip to content
AquaCensus

Public water system · TX1770002

Active

City of Sweetwater

At a glance

City of Sweetwater (PWSID TX1770002) is an active community water system in Nolan County, Texas. It reports serving 12,401 people through 5,069 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in May 2018.

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

Population served

12,401

Service connections

5,069

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDTX1770002
System typeCommunity water system
Activity statusActive
Population served12,401
Service connections5,069
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyNolan County

How does City of Sweetwater compare with other water systems in Nolan County?

By EPA's size categories, City of Sweetwater is a large system (10,001 to 100,000 people). Nolan County has 6 active public water systems, and City of Sweetwater is the largest of them by population served. Its population served is about 4.3 times the county average of 2,906 people per system, and accounts for 71% of the 17,438 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 City of Sweetwater is about 85% 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. 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 City of Sweetwater?

EPA lists City of Sweetwater 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. 5 of the 6 active systems in Nolan County (83%) are also owned by a local government.

Does City of Sweetwater have drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in May 2018. The violations listed here began between January 1999 and May 2018. By type: 5 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (5 of them). EPA lists 7 as resolved and 2 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
2018-05-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloritecode 1009NoResolved
2018-02-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chloritecode 1009NoResolved
2002-12-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2002-12-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
1999-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1999-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived
1999-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1999-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
1999-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesArchived

All 9 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 Sweetwater: frequently asked questions

Who runs City of Sweetwater?

City of Sweetwater (PWSID TX1770002) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does City of Sweetwater serve?

City of Sweetwater reports serving 12,401 people through 5,069 service connections in Nolan County, Texas.

Where does City of Sweetwater 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 Sweetwater have any drinking water violations?

EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in May 2018. 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 Sweetwater'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 9 violations for this system; 5 are health-based, and the most recent began in May 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find City of Sweetwater's water quality report?

As a community water system, City of Sweetwater 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 Nolan County

Water systemCountyPopulation servedTypeSource
Bitter Creek WSC SouthNolan2,973CommunityGroundwater
City of RoscoeNolan1,238CommunityGroundwater
Txdot Nolan County SraNolan300Transient non-communityPurchased surface water
Highland IsdNolan268Non-transient non-communityGroundwater
Nolan County Fwsd 1Nolan258CommunityGroundwater

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, “City of Sweetwater, PWSID TX1770002, Texas”, https://aquacensus.com/water-systems/texas/city-of-sweetwater-tx1770002 (data as of October 1, 2026).