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Community Water System · PWS TX1160006

City of Lone Oak

Lone Oak, Texas 75453-0127 - drinking water served from surface water sources to 867 people, tracked in EPA SDWIS and UCMR5.

867
People served
46
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 46 drinking-water violations at City of Lone Oak, 26% of them health-based - below the Texas per-system average.

46
Total EPA violations on record
26%
Health-based (MCL / treatment failure)
867
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: City of Lone Oak

City of Lone Oak is a local-owned community water system that delivers drinking water to 867 residents in Lone Oak, Texas (Hunt County) through 289 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 46 total violations for this system , of which 12 (26%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%).

City of Lone Oak's 46 violations sit below the Texas average.

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
867
Total Violations
46
Health-Based Violations
12
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
289
County
Hunt
School/Daycare
No
MCL Violations
12
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2013
Chlorine MR 9 2009
Coliform (TCR) MR 8 2012
Consumer Confidence Rule Other 4 2008
Public Notice Other 4 2012
Lead and Copper Rule MR 3 2013

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 Lone Oak.

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 TX1160006 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 Lone Oak 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
2013 Coliform (TCR) MCL 12 SDWIS / TX1160006 / 3100
2013 Lead and Copper Rule MR 3 SDWIS / TX1160006 / 5000
2012 Coliform (TCR) MR 8 SDWIS / TX1160006 / 3100
2012 Public Notice Other 4 SDWIS / TX1160006 / 7500
2009 Chlorine MR 9 SDWIS / TX1160006 / 0999
2008 Consumer Confidence Rule Other 4 SDWIS / TX1160006 / 7000

How City of Lone Oak Compares

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

Metric City of Lone Oak Texas avg Federal benchmark
Total violations 46 101.5 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 867 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is City of Lone Oak water safe to drink? ▼
City of Lone Oak (PWS ID: TX1160006) has 46 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 867 people using Surface Water sources.
How many people does City of Lone Oak serve? ▼
City of Lone Oak serves 867 people in Lone Oak, Texas. It is a Local-owned system using Surface Water water sources with 289 service connections.
What type of violations does City of Lone Oak have? ▼
City of Lone Oak has 46 total violations: 12 health-based violations (MCL exceedances or treatment failures), 20 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 Lone Oak water? ▼
No PFAS testing data is available for City of Lone Oak under the EPA's UCMR5 monitoring program.
What water source does City of Lone Oak use? ▼
City of Lone Oak 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.