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KONAWA SCHOOL

PWS ID: OK2006713 · KONAWA, Oklahoma 74849

KONAWA SCHOOL serves 600 people in KONAWA, Oklahoma using Groundwater water sources. It has 162 recorded EPA violations, including 33 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: KONAWA SCHOOL

KONAWA SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 600 residents in KONAWA, Oklahoma (Seminole County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 162 total violations for this system , of which 33 (20%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 129 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 52 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 10.1 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. KONAWA SCHOOL's 162 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
600
Total Violations
162
Health-Based Violations
33
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
5
County
Seminole
School/Daycare
Yes
MCL Violations
33
Monitoring Violations
129
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 52 2013
Coliform (TCR) MCL 33 2013
TTHM MR 4 2019
Chlorine MR 4 2021
Revised Total Coliform Rule MON 4 2021
Total Haloacetic Acids (HAA5) MR 4 2019
Xylenes, Total MR 3 2002
DICHLOROMETHANE MR 3 2002
o-Dichlorobenzene MR 3 2002
Vinyl chloride MR 3 2002
1,1-Dichloroethylene MR 3 2002
trans-1,2-Dichloroethylene MR 3 2002
1,1,1-Trichloroethane MR 3 2002
Carbon tetrachloride MR 3 2002
1,2-Dichloropropane MR 3 2002
1,1,2-Trichloroethane MR 3 2002
Tetrachloroethylene MR 3 2002
CHLOROBENZENE MR 3 2002
Benzene MR 3 2002
Toluene MR 3 2002
Ethylbenzene MR 3 2002
Styrene MR 3 2002
1,2,4-Trichlorobenzene MR 3 2002
cis-1,2-Dichloroethylene MR 3 2002
Trichloroethylene MR 3 2002
p-Dichlorobenzene MR 3 2002
E. COLI MR 1 2012

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 4/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
ADONA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 4/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 4/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 4/10/2024 <9 µg/L 9 µg/L Not Detected
PFHpA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 4/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 4/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 4/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 11/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 11/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 11/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 11/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeS 11/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 11/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 11/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 11/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 11/19/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 11/19/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 11/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 11/19/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 11/19/2024 <0.003 µg/L 0.003 µg/L Not Detected

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 KONAWA 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 OK2006713 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
2021 Chlorine MR 4 SDWIS / OK2006713 / 0999
2021 Revised Total Coliform Rule MON 4 SDWIS / OK2006713 / 8000
2019 TTHM MR 4 SDWIS / OK2006713 / 2950
2019 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OK2006713 / 2456
2013 Coliform (TCR) MR 52 SDWIS / OK2006713 / 3100
2013 Coliform (TCR) MCL 33 SDWIS / OK2006713 / 3100
2012 E. COLI MR 1 SDWIS / OK2006713 / 3014
2002 Xylenes, Total MR 3 SDWIS / OK2006713 / 2955
2002 DICHLOROMETHANE MR 3 SDWIS / OK2006713 / 2964
2002 o-Dichlorobenzene MR 3 SDWIS / OK2006713 / 2968
2002 Vinyl chloride MR 3 SDWIS / OK2006713 / 2976
2002 1,1-Dichloroethylene MR 3 SDWIS / OK2006713 / 2977
2002 trans-1,2-Dichloroethylene MR 3 SDWIS / OK2006713 / 2979
2002 1,1,1-Trichloroethane MR 3 SDWIS / OK2006713 / 2981
2002 Carbon tetrachloride MR 3 SDWIS / OK2006713 / 2982

How KONAWA SCHOOL Compares

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

Metric KONAWA SCHOOL Oklahoma avg Federal benchmark
Total violations 162 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 33 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 600 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 KONAWA SCHOOL water safe to drink? ▼
KONAWA SCHOOL (PWS ID: OK2006713) has 162 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 600 people using Groundwater sources.
How many people does KONAWA SCHOOL serve? ▼
KONAWA SCHOOL serves 600 people in KONAWA, Oklahoma. It is a Local-owned system using Groundwater water sources with 5 service connections.
What type of violations does KONAWA SCHOOL have? ▼
KONAWA SCHOOL has 162 total violations: 33 health-based violations (MCL exceedances or treatment failures), 129 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KONAWA SCHOOL water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in KONAWA SCHOOL's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does KONAWA SCHOOL use? ▼
KONAWA 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial