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Non-Transient Non-Community Water System · PWS OK2001935

Olive School

Drumright, Oklahoma 74030-5743 - drinking water served from groundwater sources to 465 people, tracked in EPA SDWIS and UCMR5.

465
People served
138
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 138 drinking-water violations at Olive School, 12% of them health-based - below the Oklahoma per-system average.

138
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
465
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Olive School

Olive School is a local-owned non-transient non-community water system that delivers drinking water to 465 residents in Drumright, Oklahoma (Creek County) through 7 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 138 total violations for this system , of which 17 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 111 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 Chlorine, recorded in 42 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. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%).

Olive School's 138 violations sit below the Oklahoma 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
465
Total Violations
138
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
7
County
Creek
School/Daycare
Yes
MCL Violations
14
Monitoring Violations
111
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 42 2025
Revised Total Coliform Rule MON 22 2022
Coliform (TCR) MCL 14 2011
Coliform (TCR) MR 12 2005
Lead and Copper Rule MR 11 2025
E. COLI MR 10 2023
TTHM MR 7 2018
Total Haloacetic Acids (HAA5) MR 7 2018
Lead and Copper Rule TT 2 2012
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 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 Olive School.

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 OK2001935 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 Chlorine MR 42 SDWIS / OK2001935 / 0999
2025 Lead and Copper Rule MR 11 SDWIS / OK2001935 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / OK2001935 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / OK2001935 / 5200
2023 E. COLI MR 10 SDWIS / OK2001935 / 3014
2022 Revised Total Coliform Rule MON 22 SDWIS / OK2001935 / 8000
2018 TTHM MR 7 SDWIS / OK2001935 / 2950
2018 Total Haloacetic Acids (HAA5) MR 7 SDWIS / OK2001935 / 2456
2012 Lead and Copper Rule TT 2 SDWIS / OK2001935 / 5000
2011 Coliform (TCR) MCL 14 SDWIS / OK2001935 / 3100
2005 Coliform (TCR) MR 12 SDWIS / OK2001935 / 3100

How Olive School Compares

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

Metric Olive School Oklahoma avg Federal benchmark
Total violations 138 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 465 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 (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 Olive School water safe to drink? ▼
Olive School (PWS ID: OK2001935) has 138 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 465 people using Groundwater sources.
How many people does Olive School serve? ▼
Olive School serves 465 people in Drumright, Oklahoma. It is a Local-owned system using Groundwater water sources with 7 service connections.
What type of violations does Olive School have? ▼
Olive School has 138 total violations: 17 health-based violations (MCL exceedances or treatment failures), 111 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Olive School water? ▼
No PFAS testing data is available for Olive School under the EPA's UCMR5 monitoring program.
What water source does Olive School use? ▼
Olive School uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.