PlainWater

CITY OF CLARKSVILLE

PWS ID: TX1940002 · CLARKSVILLE, Texas 75426-3622

CITY OF CLARKSVILLE serves 2,885 people in CLARKSVILLE, Texas using Groundwater water sources. It has 92 recorded EPA violations, including 48 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CITY OF CLARKSVILLE

CITY OF CLARKSVILLE is a local-owned community water system that delivers drinking water to 2,885 residents in CLARKSVILLE, Texas (Red River County) through 2,125 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 92 total violations for this system , of which 48 (52%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 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 TTHM, recorded in 46 violations (MCL, 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. CITY OF CLARKSVILLE's 92 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
2,885
Total Violations
92
Health-Based Violations
48
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,125
County
Red River
School/Daycare
No
MCL Violations
46
Monitoring Violations
31
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 46 2018
Revised Total Coliform Rule MON 16 2019
Coliform (TCR) MR 5 2004
Lead and Copper Rule MR 5 2017
Consumer Confidence Rule Other 5 2024
Surface Water Treatment Rule MR 3 2003
Public Notice Other 3 2025
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Interim Enhanced Surface Water Treatment Rule MR 1 2003
E. COLI MR 1 2025

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 CLARKSVILLE.

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 TX1940002 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 CLARKSVILLE 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 Public Notice Other 3 SDWIS / TX1940002 / 7500
2025 E. COLI MR 1 SDWIS / TX1940002 / 3014
2024 Consumer Confidence Rule Other 5 SDWIS / TX1940002 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / TX1940002 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / TX1940002 / 5200
2019 Revised Total Coliform Rule MON 16 SDWIS / TX1940002 / 8000
2018 TTHM MCL 46 SDWIS / TX1940002 / 2950
2017 Lead and Copper Rule MR 5 SDWIS / TX1940002 / 5000
2004 Coliform (TCR) MR 5 SDWIS / TX1940002 / 3100
2003 Surface Water Treatment Rule MR 3 SDWIS / TX1940002 / 0200
2003 Interim Enhanced Surface Water Treatment Rule MR 1 SDWIS / TX1940002 / 0300

How CITY OF CLARKSVILLE Compares

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

Metric CITY OF CLARKSVILLE Texas avg Federal benchmark
Total violations 92 101.5 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 48 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 2,885 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 CLARKSVILLE water safe to drink?
CITY OF CLARKSVILLE (PWS ID: TX1940002) has 92 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,885 people using Groundwater sources.
How many people does CITY OF CLARKSVILLE serve?
CITY OF CLARKSVILLE serves 2,885 people in CLARKSVILLE, Texas. It is a Local-owned system using Groundwater water sources with 2,125 service connections.
What type of violations does CITY OF CLARKSVILLE have?
CITY OF CLARKSVILLE has 92 total violations: 48 health-based violations (MCL exceedances or treatment failures), 31 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CITY OF CLARKSVILLE water?
No PFAS testing data is available for CITY OF CLARKSVILLE under the EPA's UCMR5 monitoring program.
What water source does CITY OF CLARKSVILLE use?
CITY OF CLARKSVILLE uses Groundwater 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