Star Mountain Water Supply Corporation
EPA ID: TX2120021 · 2,175 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Star Mountain Water Supply Corporation (TX2120021): no EPA violations recorded in the last five years. Compared to the national average for mid-size utilities, Star Mountain Water Supply Corporation sits well above the baseline - five years of EPA monitoring show no violations, no MCL exceedances, and no enforcement actions for the full service territory of 2,175 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Star Mountain Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Star Mountain Water Supply Corporation serves a community with a median household income of $53,173 and an estimated 3,934 residents across its service area. Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 33% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Star Mountain Water Supply Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Texas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Star Mountain Water Supply Corporation (EPA ID: TX2120021) is a community water system in Texas that serves approximately 2,175 people from groundwater sources.
This system serves ZIP code 75792 in Winona.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by TX or modeled from parcel and building-footprint data.
- 75792 - Winona
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Star Mountain Water Supply Corporation (TX2120021) on EPA.gov.
Frequently Asked Questions
Is Star Mountain Water Supply Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Star Mountain Water Supply Corporation in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Star Mountain Water Supply Corporation serve?
Star Mountain Water Supply Corporation serves approximately 2,175 people across 1 ZIP code in Texas.
Where does Star Mountain Water Supply Corporation get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Star Mountain Water Supply Corporation Water Report, TX. https://zipcheckup.com/water-system/tx2120021/
@misc{zipcheckup-water-system-tx2120021,
author = {{ZipCheckup}},
title = {{Star Mountain Water Supply Corporation Water Report, TX}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx2120021/}
}