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CONCAN WSC

PWS ID: TX2320032 · CONCAN, Texas 78838-0185

CONCAN WSC serves 1,488 people in CONCAN, Texas using Surface Water water sources. It has 371 recorded EPA violations, including 17 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CONCAN WSC

CONCAN WSC is a local-owned community water system that delivers drinking water to 1,488 residents in CONCAN, Texas (Uvalde County) through 496 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 371 total violations for this system , of which 17 (5%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 311 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Interim Enhanced Surface Water Treatment Rule, recorded in 17 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. CONCAN WSC's 371 violations sit above the Texas average. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,488
Total Violations
371
Health-Based Violations
17
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
496
County
Uvalde
School/Daycare
No
MCL Violations
0
Monitoring Violations
311
Treatment Tech Violations
17

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 17 2023
Nitrate MR 14 2013
Combined Uranium MR 11 2011
Lead and Copper Rule MR 10 2017
Gross Alpha, Excl. Radon and U MR 9 2011
Combined Radium (-226 and -228) MR 9 2011
Fluoride MR 9 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 8 2011
ETHYLENE DIBROMIDE MR 8 2011
OXAMYL MR 8 2011
Aldicarb sulfoxide MR 8 2011
Aldicarb MR 8 2011
Dalapon MR 8 2011
Dinoseb MR 8 2011
2,4,5-TP MR 8 2011
Picloram MR 8 2011
Public Notice Other 8 2024
Aldicarb sulfone MR 8 2011
2,4-D MR 8 2011
Carbofuran MR 8 2011
Consumer Confidence Rule Other 6 2017
Surface Water Treatment Rule MR 5 2005
Interim Enhanced Surface Water Treatment Rule MR 4 2023
Arsenic MR 3 2011
Cadmium MR 3 2011
Chromium MR 3 2011
Mercury MR 3 2011
Antimony, Total MR 3 2011
Beryllium, Total MR 3 2011
Thallium, Total MR 3 2011

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for CONCAN WSC.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID TX2320032 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Texas Drinking Water Authority

Texas Commission on Environmental Quality (TCEQ) — Drinking Water Watch is the primacy agency that licenses and inspects CONCAN WSC under EPA-delegated authority.

Open TX regulator portal

Source: Texas Commission on Environmental Quality (TCEQ) — Drinking Water Watch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Public Notice Other 8 SDWIS / TX2320032 / 7500
2023 Interim Enhanced Surface Water Treatment Rule TT 17 SDWIS / TX2320032 / 0300
2023 Interim Enhanced Surface Water Treatment Rule MR 4 SDWIS / TX2320032 / 0300
2017 Lead and Copper Rule MR 10 SDWIS / TX2320032 / 5000
2017 Consumer Confidence Rule Other 6 SDWIS / TX2320032 / 7000
2013 Nitrate MR 14 SDWIS / TX2320032 / 1040
2013 cis-1,2-Dichloroethylene MR 3 SDWIS / TX2320032 / 2380
2013 Xylenes, Total MR 3 SDWIS / TX2320032 / 2955
2013 Vinyl chloride MR 3 SDWIS / TX2320032 / 2976
2013 trans-1,2-Dichloroethylene MR 3 SDWIS / TX2320032 / 2979
2013 Carbon tetrachloride MR 3 SDWIS / TX2320032 / 2982
2013 Trichloroethylene MR 3 SDWIS / TX2320032 / 2984
2013 1,1,2-Trichloroethane MR 3 SDWIS / TX2320032 / 2985
2013 Tetrachloroethylene MR 3 SDWIS / TX2320032 / 2987
2013 CHLOROBENZENE MR 3 SDWIS / TX2320032 / 2989

How CONCAN WSC Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric CONCAN WSC Texas avg Federal benchmark
Total violations 371 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 17 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,488 4,524 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CONCAN WSC water safe to drink? ▼
CONCAN WSC (PWS ID: TX2320032) has 371 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,488 people using Surface Water sources.
How many people does CONCAN WSC serve? ▼
CONCAN WSC serves 1,488 people in CONCAN, Texas. It is a Local-owned system using Surface Water water sources with 496 service connections.
What type of violations does CONCAN WSC have? ▼
CONCAN WSC has 371 total violations: 17 health-based violations (MCL exceedances or treatment failures), 311 monitoring/reporting violations, and 17 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CONCAN WSC water? ▼
No PFAS testing data is available for CONCAN WSC under the EPA's UCMR5 monitoring program.
What water source does CONCAN WSC use? ▼
CONCAN WSC uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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