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CITY OF MARLIN

PWS ID: TX0730002 · MARLIN, Texas 76661-2823

CITY OF MARLIN serves 5,967 people in MARLIN, Texas using Surface Water water sources. It has 464 recorded EPA violations, including 278 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: CITY OF MARLIN

CITY OF MARLIN is a local-owned community water system that delivers drinking water to 5,967 residents in MARLIN, Texas (Falls County) through 3,010 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 464 total violations for this system , of which 278 (60%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 128 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 Total Haloacetic Acids (HAA5), recorded in 95 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 0.0062 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 MARLIN's 464 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

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

Population Served
5,967
Total Violations
464
Health-Based Violations
278
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,010
County
Falls
School/Daycare
No
MCL Violations
139
Monitoring Violations
128
Treatment Tech Violations
139

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 95 2025
Interim Enhanced Surface Water Treatment Rule TT 74 2017
Interim Enhanced Surface Water Treatment Rule MR 58 2016
Surface Water Treatment Rule MR 46 2023
TTHM MCL 40 2025
Public Notice Other 40 2025
Long Term 2 Enhanced Surface Water Treatment Rule TT 40 2021
Surface Water Treatment Rule TT 17 2004
Coliform (TCR) MR 9 2010
Revised Total Coliform Rule TT 8 2020
Lead and Copper Rule MR 6 2021
Consumer Confidence Rule Other 6 2023
Total Haloacetic Acids (HAA5) MR 5 2024
Long Term 2 Enhanced Surface Water Treatment Rule MR 4 2019
Coliform (TCR) MCL 4 2007

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 31 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 3/12/2025 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 3/12/2025 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 3/12/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 3/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 3/12/2025 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 3/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 3/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/12/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 3/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 3/12/2025 0.0062 µg/L 0.005 µg/L Detected
lithium 10/29/2025 <9 µg/L 9 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 MARLIN.

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 TX0730002 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 MARLIN 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 Total Haloacetic Acids (HAA5) MCL 95 SDWIS / TX0730002 / 2456
2025 TTHM MCL 40 SDWIS / TX0730002 / 2950
2025 Public Notice Other 40 SDWIS / TX0730002 / 7500
2024 Total Haloacetic Acids (HAA5) MR 5 SDWIS / TX0730002 / 2456
2023 Surface Water Treatment Rule MR 46 SDWIS / TX0730002 / 0200
2023 Consumer Confidence Rule Other 6 SDWIS / TX0730002 / 7000
2021 Long Term 2 Enhanced Surface Water Treatment Rule TT 40 SDWIS / TX0730002 / 0800
2021 Lead and Copper Rule MR 6 SDWIS / TX0730002 / 5000
2020 Revised Total Coliform Rule TT 8 SDWIS / TX0730002 / 8000
2019 Long Term 2 Enhanced Surface Water Treatment Rule MR 4 SDWIS / TX0730002 / 0800
2017 Interim Enhanced Surface Water Treatment Rule TT 74 SDWIS / TX0730002 / 0300
2016 Interim Enhanced Surface Water Treatment Rule MR 58 SDWIS / TX0730002 / 0300
2010 Coliform (TCR) MR 9 SDWIS / TX0730002 / 3100
2007 Coliform (TCR) MCL 4 SDWIS / TX0730002 / 3100
2004 Surface Water Treatment Rule TT 17 SDWIS / TX0730002 / 0200

How CITY OF MARLIN Compares

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

Metric CITY OF MARLIN Texas avg Federal benchmark
Total violations 464 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 278 22.2 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 93.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 5,967 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 MARLIN water safe to drink? ▼
CITY OF MARLIN (PWS ID: TX0730002) has 464 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 5,967 people using Surface Water sources.
How many people does CITY OF MARLIN serve? ▼
CITY OF MARLIN serves 5,967 people in MARLIN, Texas. It is a Local-owned system using Surface Water water sources with 3,010 service connections.
What type of violations does CITY OF MARLIN have? ▼
CITY OF MARLIN has 464 total violations: 278 health-based violations (MCL exceedances or treatment failures), 128 monitoring/reporting violations, and 139 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CITY OF MARLIN water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in CITY OF MARLIN's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does CITY OF MARLIN use? ▼
CITY OF MARLIN 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