PlainWater

COLCORD PWA

PWS ID: OK2002157 · COLCORD, Oklahoma 74338

COLCORD PWA serves 819 people in COLCORD, Oklahoma using Surface Water water sources. It has 168 recorded EPA violations, including 57 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COLCORD PWA

COLCORD PWA is a local-owned community water system that delivers drinking water to 819 residents in COLCORD, Oklahoma (Delaware County) through 340 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 168 total violations for this system , of which 57 (34%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 78 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 Combined Radium (-226 and -228), recorded in 30 violations (MCL, 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. COLCORD PWA's 168 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
819
Total Violations
168
Health-Based Violations
57
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
340
County
Delaware
School/Daycare
No
MCL Violations
55
Monitoring Violations
78
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 30 2013
Coliform (TCR) MR 24 2012
Gross Alpha, Excl. Radon and U MCL 21 2011
Chlorine MR 15 2024
Revised Total Coliform Rule MON 15 2024
Consumer Confidence Rule Other 12 2021
Lead and Copper Rule MR 10 2022
TTHM MR 4 2015
Total Haloacetic Acids (HAA5) MR 4 2015
Coliform (TCR) MCL 4 2007
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2010
Combined Radium (-226 and -228) MR 1 2010
Gross Beta Particle Activity MR 1 2010
Gross Alpha, Excl. Radon and U MR 1 2010
Combined Uranium MR 1 2010

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 COLCORD PWA.

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 OK2002157 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 Chlorine MR 15 SDWIS / OK2002157 / 0999
2024 Revised Total Coliform Rule MON 15 SDWIS / OK2002157 / 8000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / OK2002157 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / OK2002157 / 5200
2022 Lead and Copper Rule MR 10 SDWIS / OK2002157 / 5000
2021 Consumer Confidence Rule Other 12 SDWIS / OK2002157 / 7000
2015 TTHM MR 4 SDWIS / OK2002157 / 2950
2015 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OK2002157 / 2456
2013 Combined Radium (-226 and -228) MCL 30 SDWIS / OK2002157 / 4010
2012 Coliform (TCR) MR 24 SDWIS / OK2002157 / 3100
2011 Gross Alpha, Excl. Radon and U MCL 21 SDWIS / OK2002157 / 4000
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / OK2002157 / 0600
2010 Combined Radium (-226 and -228) MR 1 SDWIS / OK2002157 / 4010
2010 Gross Beta Particle Activity MR 1 SDWIS / OK2002157 / 4100
2010 Gross Alpha, Excl. Radon and U MR 1 SDWIS / OK2002157 / 4000

How COLCORD PWA Compares

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

Metric COLCORD PWA Oklahoma avg Federal benchmark
Total violations 168 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 57 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 819 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 COLCORD PWA water safe to drink?
COLCORD PWA (PWS ID: OK2002157) has 168 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 819 people using Surface Water sources.
How many people does COLCORD PWA serve?
COLCORD PWA serves 819 people in COLCORD, Oklahoma. It is a Local-owned system using Surface Water water sources with 340 service connections.
What type of violations does COLCORD PWA have?
COLCORD PWA has 168 total violations: 57 health-based violations (MCL exceedances or treatment failures), 78 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COLCORD PWA water?
No PFAS testing data is available for COLCORD PWA under the EPA's UCMR5 monitoring program.
What water source does COLCORD PWA use?
COLCORD PWA 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 PlainWater Editorial