PlainWater

Community Water System · PWS OK2001994

Creek Co RWD # 5

Mannford, Oklahoma 74044-0698 - drinking water served from groundwater sources to 2,500 people, tracked in EPA SDWIS and UCMR5.

2,500
People served
124
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 124 drinking-water violations at Creek Co RWD # 5, 3% of them health-based - below the Oklahoma per-system average.

124
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
2,500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Creek Co RWD # 5

Creek Co RWD # 5 is a local-owned community water system that delivers drinking water to 2,500 residents in Mannford, Oklahoma (Creek County) through 1,088 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 124 total violations for this system , of which 4 (3%) 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 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 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%).

Creek Co RWD # 5's 124 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
2,500
Total Violations
124
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,088
County
Creek
School/Daycare
No
MCL Violations
4
Monitoring Violations
111
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2005
Chlorine MR 8 2022
Nitrate-Nitrite MR 6 2006
E. COLI MR 5 2015
Consumer Confidence Rule Other 4 2021
Glyphosate MR 4 2019
Revised Total Coliform Rule MON 4 2020
TTHM MR 4 2020
Total Haloacetic Acids (HAA5) MR 4 2020
Lead and Copper Rule MR 4 2020
Coliform (TCR) MCL 4 2011
trans-1,2-Dichloroethylene MR 3 2003
Trichloroethylene MR 3 2003
Benzene MR 3 2003
Ethylbenzene MR 3 2003
cis-1,2-Dichloroethylene MR 3 2003
Xylenes, Total MR 3 2003
DICHLOROMETHANE MR 3 2003
o-Dichlorobenzene MR 3 2003
Vinyl chloride MR 3 2003
1,1-Dichloroethylene MR 3 2003
CHLOROBENZENE MR 3 2003
1,1,1-Trichloroethane MR 3 2003
Toluene MR 3 2003
Carbon tetrachloride MR 3 2003
p-Dichlorobenzene MR 3 2003
1,2,4-Trichlorobenzene MR 3 2003
1,2-Dichloropropane MR 3 2003
Styrene MR 3 2003
Tetrachloroethylene MR 3 2003

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 Creek Co RWD # 5.

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 OK2001994 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
2022 Chlorine MR 8 SDWIS / OK2001994 / 0999
2021 Consumer Confidence Rule Other 4 SDWIS / OK2001994 / 7000
2020 Revised Total Coliform Rule MON 4 SDWIS / OK2001994 / 8000
2020 TTHM MR 4 SDWIS / OK2001994 / 2950
2020 Total Haloacetic Acids (HAA5) MR 4 SDWIS / OK2001994 / 2456
2020 Lead and Copper Rule MR 4 SDWIS / OK2001994 / 5000
2019 Glyphosate MR 4 SDWIS / OK2001994 / 2034
2015 E. COLI MR 5 SDWIS / OK2001994 / 3014
2011 Coliform (TCR) MCL 4 SDWIS / OK2001994 / 3100
2006 Nitrate-Nitrite MR 6 SDWIS / OK2001994 / 1038
2005 Coliform (TCR) MR 12 SDWIS / OK2001994 / 3100
2003 trans-1,2-Dichloroethylene MR 3 SDWIS / OK2001994 / 2979
2003 Trichloroethylene MR 3 SDWIS / OK2001994 / 2984
2003 Benzene MR 3 SDWIS / OK2001994 / 2990
2003 Ethylbenzene MR 3 SDWIS / OK2001994 / 2992

How Creek Co RWD # 5 Compares

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

Metric Creek Co RWD # 5 Oklahoma avg Federal benchmark
Total violations 124 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 2,500 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 Creek Co RWD # 5 water safe to drink?
Creek Co RWD # 5 (PWS ID: OK2001994) has 124 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,500 people using Groundwater sources.
How many people does Creek Co RWD # 5 serve?
Creek Co RWD # 5 serves 2,500 people in Mannford, Oklahoma. It is a Local-owned system using Groundwater water sources with 1,088 service connections.
What type of violations does Creek Co RWD # 5 have?
Creek Co RWD # 5 has 124 total violations: 4 health-based violations (MCL exceedances or treatment failures), 111 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Creek Co RWD # 5 water?
No PFAS testing data is available for Creek Co RWD # 5 under the EPA's UCMR5 monitoring program.
What water source does Creek Co RWD # 5 use?
Creek Co RWD # 5 uses Groundwater 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
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.