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CITY OF CISCO

PWS ID: TX0670001 · Texas

CITY OF CISCO serves 4,076 people in Texas using Surface Water water sources. It has 375 recorded EPA violations, including 215 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (2 compounds found).

Water Quality Snapshot: CITY OF CISCO

CITY OF CISCO is a local-owned community water system that delivers drinking water to 4,076 residents in Texas (Eastland County) through 2,769 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 375 total violations for this system , of which 215 (57%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 63 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is TTHM, recorded in 150 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 2 PFAS compounds were detected in samples collected from this system, with a maximum reported concentration of 0.0103 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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 CISCO's 375 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.

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
4,076
Total Violations
375
Health-Based Violations
215
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,769
County
Eastland
School/Daycare
No
MCL Violations
182
Monitoring Violations
63
Treatment Tech Violations
29

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 150 2022
Interim Enhanced Surface Water Treatment Rule MR 31 2021
Public Notice Other 24 2022
Total Haloacetic Acids (HAA5) MCL 19 2005
Chlorite MR 18 2022
Interim Enhanced Surface Water Treatment Rule TT 13 2006
Surface Water Treatment Rule TT 9 2004
Coliform (TCR) MCL 9 2015
Lead and Copper Rule MR 5 2014
Long Term 2 Enhanced Surface Water Treatment Rule MR 4 2019
Revised Total Coliform Rule TT 4 2022
Chlorite MCL 4 2021
Chlorine dioxide MRDL 4 2019
Long Term 2 Enhanced Surface Water Treatment Rule TT 3 2015
CARBON, TOTAL MR 3 2016
Surface Water Treatment Rule MR 2 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
PFBS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/8/2025 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 9/8/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFUnA 9/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTrDA 9/8/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHxS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/8/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/8/2025 0.0077 µg/L 0.005 µg/L Detected
PFHpS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 9/8/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFOA 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 6/3/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFBA 6/3/2025 0.0103 µg/L 0.005 µg/L Detected
lithium 6/3/2025 <9 µg/L 9 µg/L Not Detected
PFHpS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/3/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 6/3/2025 0.0068 µg/L 0.005 µg/L Detected
PFTrDA 6/3/2025 <0.007 µg/L 0.007 µg/L Not Detected
HFPO-DA 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/3/2025 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected

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 CISCO.

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 TX0670001 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 CISCO 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
2022 TTHM MCL 150 SDWIS / TX0670001 / 2950
2022 Public Notice Other 24 SDWIS / TX0670001 / 7500
2022 Chlorite MR 18 SDWIS / TX0670001 / 1009
2022 Revised Total Coliform Rule TT 4 SDWIS / TX0670001 / 8000
2021 Interim Enhanced Surface Water Treatment Rule MR 31 SDWIS / TX0670001 / 0300
2021 Chlorite MCL 4 SDWIS / TX0670001 / 1009
2019 Long Term 2 Enhanced Surface Water Treatment Rule MR 4 SDWIS / TX0670001 / 0800
2019 Chlorine dioxide MRDL 4 SDWIS / TX0670001 / 1008
2016 CARBON, TOTAL MR 3 SDWIS / TX0670001 / 2920
2015 Coliform (TCR) MCL 9 SDWIS / TX0670001 / 3100
2015 Long Term 2 Enhanced Surface Water Treatment Rule TT 3 SDWIS / TX0670001 / 0800
2014 Lead and Copper Rule MR 5 SDWIS / TX0670001 / 5000
2006 Interim Enhanced Surface Water Treatment Rule TT 13 SDWIS / TX0670001 / 0300
2005 Total Haloacetic Acids (HAA5) MCL 19 SDWIS / TX0670001 / 2456
2004 Surface Water Treatment Rule TT 9 SDWIS / TX0670001 / 0200

How CITY OF CISCO Compares

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

Metric CITY OF CISCO Texas avg Federal benchmark
Total violations 375 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 215 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection 2 compounds 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 4,076 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 CISCO water safe to drink? ▼
CITY OF CISCO (PWS ID: TX0670001) has 375 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 2 PFAS compounds found. This system serves 4,076 people using Surface Water sources.
How many people does CITY OF CISCO serve? ▼
CITY OF CISCO serves 4,076 people in Texas. It is a Local-owned system using Surface Water water sources with 2,769 service connections.
What type of violations does CITY OF CISCO have? ▼
CITY OF CISCO has 375 total violations: 215 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 29 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CITY OF CISCO water? ▼
Yes. UCMR5 testing detected 2 PFAS compounds in CITY OF CISCO's water supply: PFBA, 6:2 FTS. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does CITY OF CISCO use? ▼
CITY OF CISCO 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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

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