PlainWater

CITY OF COMBES

PWS ID: TX0310021 · COMBES, Texas 78535-0280

CITY OF COMBES serves 2,895 people in COMBES, Texas using Surface Water water sources. It has 70 recorded EPA violations, including 20 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CITY OF COMBES

CITY OF COMBES is a local-owned community water system that delivers drinking water to 2,895 residents in COMBES, Texas (Cameron County) through 865 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 70 total violations for this system , of which 20 (29%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 41 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 17 violations (MON). 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. CITY OF COMBES's 70 violations sit below 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
2,895
Total Violations
70
Health-Based Violations
20
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
865
County
Cameron
School/Daycare
No
MCL Violations
20
Monitoring Violations
41
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 17 2025
TTHM MCL 15 2022
Coliform (TCR) MR 9 2013
Lead and Copper Rule MR 8 2020
Chlorine MR 7 2025
Coliform (TCR) MCL 5 2012
Public Notice Other 4 2022
Coliform (TCR) Other 1 1993

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 CITY OF COMBES.

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 TX0310021 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 CITY OF COMBES 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
2025 Revised Total Coliform Rule MON 17 SDWIS / TX0310021 / 8000
2025 Chlorine MR 7 SDWIS / TX0310021 / 0999
2022 TTHM MCL 15 SDWIS / TX0310021 / 2950
2022 Public Notice Other 4 SDWIS / TX0310021 / 7500
2020 Lead and Copper Rule MR 8 SDWIS / TX0310021 / 5000
2013 Coliform (TCR) MR 9 SDWIS / TX0310021 / 3100
2012 Coliform (TCR) MCL 5 SDWIS / TX0310021 / 3100
1993 Coliform (TCR) Other 1 SDWIS / TX0310021 / 3100

How CITY OF COMBES Compares

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

Metric CITY OF COMBES Texas avg Federal benchmark
Total violations 70 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 20 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 2,895 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 CITY OF COMBES water safe to drink?
CITY OF COMBES (PWS ID: TX0310021) has 70 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,895 people using Surface Water sources.
How many people does CITY OF COMBES serve?
CITY OF COMBES serves 2,895 people in COMBES, Texas. It is a Local-owned system using Surface Water water sources with 865 service connections.
What type of violations does CITY OF COMBES have?
CITY OF COMBES has 70 total violations: 20 health-based violations (MCL exceedances or treatment failures), 41 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CITY OF COMBES water?
No PFAS testing data is available for CITY OF COMBES under the EPA's UCMR5 monitoring program.
What water source does CITY OF COMBES use?
CITY OF COMBES 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.

Explore PlainWater

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

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial