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Community Water System · PWS OK4005589

Sooner Utilities - Circle C Estates

Edmond, Oklahoma 73083-0958 - drinking water served from groundwater sources to 155 people, tracked in EPA SDWIS and UCMR5.

155
People served
277
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 277 drinking-water violations at Sooner Utilities - Circle C Estates, 4% of them health-based - above the Oklahoma per-system average.

277
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
155
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sooner Utilities - Circle C Estates

Sooner Utilities - Circle C Estates is a private-owned community water system that delivers drinking water to 155 residents in Edmond, Oklahoma (Oklahoma County) through 62 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 277 total violations for this system , of which 12 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 210 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 Coliform (TCR), recorded in 24 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%).

Sooner Utilities - Circle C Estates's 277 violations sit above 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
155
Total Violations
277
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
62
County
Oklahoma
School/Daycare
No
MCL Violations
10
Monitoring Violations
210
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2006
Coliform (TCR) MCL 10 2004
E. COLI MR 9 2024
Chlorine MR 8 2020
Arsenic MR 4 2014
Endrin MR 4 2022
BHC-GAMMA MR 4 2022
Dalapon MR 4 2022
Di(2-ethylhexyl) adipate MR 4 2022
Simazine MR 4 2022
Di(2-ethylhexyl) phthalate MR 4 2022
Picloram MR 4 2022
Hexachlorocyclopentadiene MR 4 2022
Carbofuran MR 4 2022
Heptachlor MR 4 2022
2,4,5-TP MR 4 2022
HEXACHLOROBENZENE MR 4 2022
ETHYLENE DIBROMIDE MR 4 2022
Chlordane MR 4 2022
Total Polychlorinated Biphenyls (PCB) MR 4 2022
Endothall MR 4 2022
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2022
2,4-D MR 4 2022
Diquat MR 4 2022
Dinoseb MR 4 2022
Methoxychlor MR 4 2022
Atrazine MR 4 2022
OXAMYL MR 4 2022
Benzo(a)pyrene MR 4 2022
LASSO MR 4 2022

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 Sooner Utilities - Circle C Estates.

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 OK4005589 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 E. COLI MR 9 SDWIS / OK4005589 / 3014
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / OK4005589 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / OK4005589 / 5200
2022 Endrin MR 4 SDWIS / OK4005589 / 2005
2022 BHC-GAMMA MR 4 SDWIS / OK4005589 / 2010
2022 Dalapon MR 4 SDWIS / OK4005589 / 2031
2022 Di(2-ethylhexyl) adipate MR 4 SDWIS / OK4005589 / 2035
2022 Simazine MR 4 SDWIS / OK4005589 / 2037
2022 Di(2-ethylhexyl) phthalate MR 4 SDWIS / OK4005589 / 2039
2022 Picloram MR 4 SDWIS / OK4005589 / 2040
2022 Hexachlorocyclopentadiene MR 4 SDWIS / OK4005589 / 2042
2022 Carbofuran MR 4 SDWIS / OK4005589 / 2046
2022 Heptachlor MR 4 SDWIS / OK4005589 / 2065
2022 2,4,5-TP MR 4 SDWIS / OK4005589 / 2110
2022 HEXACHLOROBENZENE MR 4 SDWIS / OK4005589 / 2274

How Sooner Utilities - Circle C Estates Compares

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

Metric Sooner Utilities - Circle C Estates Oklahoma avg Federal benchmark
Total violations 277 266.8 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 155 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 Sooner Utilities - Circle C Estates water safe to drink?
Sooner Utilities - Circle C Estates (PWS ID: OK4005589) has 277 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 155 people using Groundwater sources.
How many people does Sooner Utilities - Circle C Estates serve?
Sooner Utilities - Circle C Estates serves 155 people in Edmond, Oklahoma. It is a Private-owned system using Groundwater water sources with 62 service connections.
What type of violations does Sooner Utilities - Circle C Estates have?
Sooner Utilities - Circle C Estates has 277 total violations: 12 health-based violations (MCL exceedances or treatment failures), 210 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sooner Utilities - Circle C Estates water?
No PFAS testing data is available for Sooner Utilities - Circle C Estates under the EPA's UCMR5 monitoring program.
What water source does Sooner Utilities - Circle C Estates use?
Sooner Utilities - Circle C Estates 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.