States ›Oklahoma ›Carter County ›Lone Grove

Lone Grove, OK Tap Water Quality 2026

Water quality report for Lone Grove, OK — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Lone Grove's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Lone Grove PWSID: OK2001007 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

Lone Grove earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS tested, none detected
39 violations since 2015, 1 health-based
No violations currently open
Lone Grove's lead level vs. all Oklahoma community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Oklahoma utilities
Population Served
4967
~1382 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
39 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
E. COLI MONITORING AND REPORTING — 0 2026 Unaddressed
E. COLI MONITORING AND REPORTING — 0 2026 Unaddressed
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2023–2025 Archived
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2023–2025 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2023–2025 Archived
Gross Beta Particle Activity MONITORING AND REPORTING — 4 mrem/yr 2023–2025 Archived
Endothall MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Archived
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2015 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2015 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2015 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2015 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2015 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2015 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2015 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2015 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2015 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2015 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

39 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lone Grove
PWSID OK2001007
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 4,967
Service connections 1,382
Systems serving this area 4
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Lone Grove tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Lone Grove water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Lone Grove? ▼
Lone Grove (PWSID OK2001007), one of 4 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-03-30. No significant deficiencies were recorded.

What Should Lone Grove Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in Oklahoma

Ardmore, Ok Tap Water Quality 2026 Carter Healdton, Ok Tap Water Quality 2026 Carter Wilson, Ok Tap Water Quality 2026 Carter Dickson, Ok Tap Water Quality 2026 Carter Springer, Ok Tap Water Quality 2026 Carter Tatums, Ok Tap Water Quality 2026 Carter