PlainWater

SOUTH COFFEYVILLE

PWS ID: OK3005305 · SOUTH COFFEYVILLE, Oklahoma 74072

SOUTH COFFEYVILLE serves 790 people in SOUTH COFFEYVILLE, Oklahoma using Surface Water water sources. It has 92 recorded EPA violations, including 12 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SOUTH COFFEYVILLE

SOUTH COFFEYVILLE is a local-owned community water system that delivers drinking water to 790 residents in SOUTH COFFEYVILLE, Oklahoma (Nowata County) through 443 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 92 total violations for this system , of which 12 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 31 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Chlorine, recorded in 12 violations (MRDL, 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 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. SOUTH COFFEYVILLE's 92 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
790
Total Violations
92
Health-Based Violations
12
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
443
County
Nowata
School/Daycare
No
MCL Violations
0
Monitoring Violations
31
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MRDL 12 2022
Total Haloacetic Acids (HAA5) MR 8 2009
TTHM MR 7 2009
Coliform (TCR) MR 5 2006
Revised Total Coliform Rule MON 4 2024
Chlorine MR 4 2024
Lead and Copper Rule MR 3 1993
Consumer Confidence Rule Other 2 2016

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 SOUTH COFFEYVILLE.

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 OK3005305 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
2024 Revised Total Coliform Rule MON 4 SDWIS / OK3005305 / 8000
2024 Chlorine MR 4 SDWIS / OK3005305 / 0999
2022 Chlorine MRDL 12 SDWIS / OK3005305 / 0999
2016 Consumer Confidence Rule Other 2 SDWIS / OK3005305 / 7000
2009 Total Haloacetic Acids (HAA5) MR 8 SDWIS / OK3005305 / 2456
2009 TTHM MR 7 SDWIS / OK3005305 / 2950
2006 Coliform (TCR) MR 5 SDWIS / OK3005305 / 3100
1993 Lead and Copper Rule MR 3 SDWIS / OK3005305 / 5000

How SOUTH COFFEYVILLE Compares

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

Metric SOUTH COFFEYVILLE Oklahoma avg Federal benchmark
Total violations 92 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 12 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 790 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 SOUTH COFFEYVILLE water safe to drink?
SOUTH COFFEYVILLE (PWS ID: OK3005305) has 92 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 790 people using Surface Water sources.
How many people does SOUTH COFFEYVILLE serve?
SOUTH COFFEYVILLE serves 790 people in SOUTH COFFEYVILLE, Oklahoma. It is a Local-owned system using Surface Water water sources with 443 service connections.
What type of violations does SOUTH COFFEYVILLE have?
SOUTH COFFEYVILLE has 92 total violations: 12 health-based violations (MCL exceedances or treatment failures), 31 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SOUTH COFFEYVILLE water?
No PFAS testing data is available for SOUTH COFFEYVILLE under the EPA's UCMR5 monitoring program.
What water source does SOUTH COFFEYVILLE use?
SOUTH COFFEYVILLE 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