Coke County Water Supply Corporation
EPA ID: TX0410017 · 410 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Coke County Water Supply Corporation (TX0410017): 16 health-based violations recorded since 2021. 24 violations on file at Coke County Water Supply Corporation, none open; 410 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for Coke County Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Coke County Water Supply Corporation have a median household income of $40,556 and about 1,706 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 75% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 100% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Coke County Water Supply Corporation's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
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
Coke County Water Supply Corporation (EPA ID: TX0410017) is a community water system in Texas that serves approximately 410 people from surface water sources.
This system serves ZIP code 76945 in Robert Lee.
Violation History
Status breakdown for accepted records with record years 2021-2026: 23 resolved, 1 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2026 | TTHM | Health-based | Archived |
| July 1, 2025 | TTHM | Health-based | Resolved |
| April 1, 2025 | TTHM | Health-based | Resolved |
| February 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2025 | TTHM | Health-based | Resolved |
| October 1, 2024 | TTHM | Health-based | Resolved |
| July 5, 2024 | Public Notice | Non-health-based | Resolved |
| July 1, 2024 | TTHM | Health-based | Resolved |
| April 1, 2024 | TTHM | Health-based | Resolved |
| January 1, 2024 | TTHM | Health-based | Resolved |
| December 31, 2023 | Public Notice | Non-health-based | Resolved |
| October 1, 2023 | TTHM | Health-based | Resolved |
| July 1, 2023 | TTHM | Health-based | Resolved |
| June 22, 2023 | Public Notice | Non-health-based | Resolved |
| April 1, 2023 | TTHM | Health-based | Resolved |
| January 1, 2023 | TTHM | Health-based | Resolved |
| October 1, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2022 | TTHM | Health-based | Resolved |
| April 1, 2022 | TTHM | Health-based | Resolved |
| February 13, 2022 | Public Notice | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| TTHM | MCL Violation | 16 | Yes |
| Public Notice | Other (notice or report rule) | 4 | No |
| Revised Total Coliform Rule | Monitoring & Reporting | 2 | No |
| Public Notice | Monitoring & Reporting | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0021 mg/L | No | 2023-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
- 76945 - Robert Lee
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Coke County Water Supply Corporation (TX0410017) on EPA.gov.
Frequently Asked Questions
Is Coke County Water Supply Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Coke County Water Supply Corporation; its 24 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Coke County Water Supply Corporation serve?
Coke County Water Supply Corporation serves approximately 410 people across 1 ZIP code in Texas.
Where does Coke County Water Supply Corporation get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Coke County Water Supply Corporation: 16 Health Violations. https://zipcheckup.com/water-system/tx0410017/
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author = {{ZipCheckup}},
title = {{Coke County Water Supply Corporation: 16 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx0410017/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Coke County Water Supply Corporation (EPA ID: TX0410017) - request the latest Consumer Confidence Report or ask about specific contaminants.