Public water system · TX2120021
ActiveStar Mountain WSC
At a glance
Star Mountain WSC (PWSID TX2120021) is an active community water system in Smith County, Texas. It reports serving 2,175 people through 725 service connections. Its primary water source is groundwater, 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 January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,175
Service connections
725
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Star Mountain WSC compare with other water systems in Smith County?
By EPA's size categories, Star Mountain WSC is a small system (501 to 3,300 people). Smith County has 45 active public water systems. Its population served is about 65% below the county average of 6,223 people per system, and accounts for 0.8% of the 280,017 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 Star Mountain WSC 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. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.
Who owns and regulates Star Mountain WSC?
EPA lists Star Mountain 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. 22 of the 45 active systems in Smith County (49%) are also owned by a local government.
Does Star Mountain WSC have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2019. The violations listed here began between January 2019 and January 2019. By type: 12 monitoring and reporting. The contaminants or rules involved are Aldicarb, Barium, Oxamyl and Aldicarb sulfoxide. EPA lists 12 as archived. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarbcode 2047 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
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.
Star Mountain WSC: frequently asked questions
Who runs Star Mountain WSC?
Star Mountain WSC (PWSID TX2120021) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Star Mountain WSC serve?
Star Mountain WSC reports serving 2,175 people through 725 service connections in Smith County, Texas.
Where does Star Mountain WSC 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 Star Mountain WSC 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 January 2019. 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 Star Mountain 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, none is health-based, and the most recent began in January 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Star Mountain WSC's water quality report?
As a community water system, Star Mountain 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 Smith County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Tyler | Smith | 107,000 | Community | Surface water |
| Southern Utilities | Smith | 69,735 | Community | Purchased surface water |
| Lindale Rural WSC | Smith | 14,781 | Community | Groundwater |
| City of Whitehouse | Smith | 9,571 | Community | Purchased surface water |
| Walnut Grove WSC | Smith | 8,775 | Community | Purchased surface water |
| City of Lindale | Smith | 6,313 | Community | Groundwater |
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, “Star Mountain WSC, PWSID TX2120021, Texas”, https://aquacensus.com/water-systems/texas/star-mountain-wsc-tx2120021 (data as of October 1, 2026).