PlainWater

LE ANN WATER

PWS ID: OK3007407 · RAMONA, Oklahoma 74061

LE ANN WATER serves 750 people in RAMONA, Oklahoma using Surface Water water sources. It has 211 recorded EPA violations, including 18 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LE ANN WATER

LE ANN WATER is a local-owned community water system that delivers drinking water to 750 residents in RAMONA, Oklahoma (Washington County) through 508 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 211 total violations for this system , of which 18 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 166 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 43 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oklahoma, EPA tracks 1,262 public water systems serving 3,699,452 people, with 336,706 cumulative violations and 113,804 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 266.8 violations. LE ANN WATER's 211 violations sit below the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). 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
750
Total Violations
211
Health-Based Violations
18
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
508
County
Washington
School/Daycare
No
MCL Violations
17
Monitoring Violations
166
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 43 2024
TTHM MR 43 2024
Coliform (TCR) MR 29 2014
Chlorine MR 24 2023
Consumer Confidence Rule Other 22 2025
Revised Total Coliform Rule MON 21 2023
Coliform (TCR) MCL 9 2012
TTHM MCL 8 2024
Lead and Copper Rule MR 4 2020
Chloramine MR 2 2025
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024

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 LE ANN WATER.

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 OK3007407 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oklahoma Drinking Water Authority

Oklahoma's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OK regulator via EPA SDWIS

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 Consumer Confidence Rule Other 22 SDWIS / OK3007407 / 7000
2025 Chloramine MR 2 SDWIS / OK3007407 / 1006
2024 Total Haloacetic Acids (HAA5) MR 43 SDWIS / OK3007407 / 2456
2024 TTHM MR 43 SDWIS / OK3007407 / 2950
2024 TTHM MCL 8 SDWIS / OK3007407 / 2950
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK3007407 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK3007407 / 5200
2023 Chlorine MR 24 SDWIS / OK3007407 / 0999
2023 Revised Total Coliform Rule MON 21 SDWIS / OK3007407 / 8000
2020 Lead and Copper Rule MR 4 SDWIS / OK3007407 / 5000
2014 Coliform (TCR) MR 29 SDWIS / OK3007407 / 3100
2012 Coliform (TCR) MCL 9 SDWIS / OK3007407 / 3100

How LE ANN WATER Compares

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

Metric LE ANN WATER Oklahoma avg Federal benchmark
Total violations 211 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 18 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 750 2,931 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,262 regulated public water systems in Oklahoma.

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 LE ANN WATER water safe to drink?
LE ANN WATER (PWS ID: OK3007407) has 211 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 750 people using Surface Water sources.
How many people does LE ANN WATER serve?
LE ANN WATER serves 750 people in RAMONA, Oklahoma. It is a Local-owned system using Surface Water water sources with 508 service connections.
What type of violations does LE ANN WATER have?
LE ANN WATER has 211 total violations: 18 health-based violations (MCL exceedances or treatment failures), 166 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LE ANN WATER water?
No PFAS testing data is available for LE ANN WATER under the EPA's UCMR5 monitoring program.
What water source does LE ANN WATER use?
LE ANN WATER 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.

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 Kiznis Studio Editorial