Tdcj Coffield Unit
EPA ID: TX0010031 · 7,965 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Tdcj Coffield Unit (TX0010031): 2 past health-based violations, since resolved. Tdcj Coffield Unit carries 10 resolved violations in the five-year EPA record - each has been formally closed, and the supplier, which serves approximately 7,965 people, now meets all applicable federal drinking water standards with no open enforcement activity remaining.
Data: EPA SDWIS
Service Area Map
Coverage area for Tdcj Coffield Unit Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tdcj Coffield Unit serves a community with a median household income of $69,257 and an estimated 3,947 residents across its service area.
Environmental Justice Note: 64% 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?
Tdcj Coffield Unit'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
Detected Contaminants
How Tdcj Coffield Unit compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 2 mg/L exceeds the EPA maximum of mg/L.
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
Tdcj Coffield Unit (EPA ID: TX0010031) is a community water system in Texas that serves approximately 7,965 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Violation History
Status breakdown for accepted records with record years 2021-2026: 10 resolved, 0 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 |
|---|---|---|---|
| July 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| April 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| December 1, 2024 | Lead and Copper Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Non-health-based | Resolved |
| April 1, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| October 16, 2023 | Lead and Copper Rule | Non-health-based | Resolved |
| October 1, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| August 19, 2023 | Consumer Confidence Report Rule | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 4 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Consumer Confidence Report Rule | Reporting Failure | 2 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00669 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.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tdcj Coffield Unit (TX0010031) on EPA.gov.
Frequently Asked Questions
Is Tdcj Coffield Unit water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Tdcj Coffield Unit; its 10 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Tdcj Coffield Unit serve?
Tdcj Coffield Unit serves approximately 7,965 people across 2 ZIP codes in Texas.
Where does Tdcj Coffield Unit get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Tdcj Coffield Unit (TX): 2 Health Violations. https://zipcheckup.com/water-system/tx0010031/
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author = {{ZipCheckup}},
title = {{Tdcj Coffield Unit (TX): 2 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx0010031/}
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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
Tdcj Coffield Unit (EPA ID: TX0010031) - request the latest Consumer Confidence Report or ask about specific contaminants.