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Community Water System · PWS OK2001446

Sunnylane Estates

Marina del Rey, Oklahoma 90292 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
133
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 133 drinking-water violations at Sunnylane Estates, 8% of them health-based - below the Oklahoma per-system average.

133
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sunnylane Estates

Sunnylane Estates is a private-owned community water system that delivers drinking water to 300 residents in Marina del Rey, Oklahoma (Cleveland County) through 92 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 133 total violations for this system , of which 11 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 115 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 55 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%).

Sunnylane Estates's 133 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
300
Total Violations
133
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
92
County
Cleveland
School/Daycare
No
MCL Violations
9
Monitoring Violations
115
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 55 2013
Lead and Copper Rule MR 8 2007
Coliform (TCR) MCL 5 2013
Consumer Confidence Rule Other 5 2014
2,4,5-TP MR 4 2021
2,4-D MR 4 2021
LASSO MR 4 2021
Picloram MR 4 2021
Dalapon MR 4 2021
o-Dichlorobenzene MR 4 2017
trans-1,2-Dichloroethylene MR 4 2017
Dinoseb MR 4 2021
Revised Total Coliform Rule MCL 4 2017
1,2,4-Trichlorobenzene MR 4 2017
Diquat MR 4 2021
cis-1,2-Dichloroethylene MR 4 2017
Gross Beta Particle Activity MR 2 2002
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Gross Alpha, Excl. Radon and U MR 2 2002
Combined Radium (-226 and -228) MR 2 2002
LEAD AND COPPER RULE REVISIONS TT 2 2024
E. COLI MR 1 2013
Pentachlorophenol MR 1 2017

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 Sunnylane 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 OK2001446 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 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / OK2001446 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / OK2001446 / 5200
2021 2,4,5-TP MR 4 SDWIS / OK2001446 / 2110
2021 2,4-D MR 4 SDWIS / OK2001446 / 2105
2021 LASSO MR 4 SDWIS / OK2001446 / 2051
2021 Picloram MR 4 SDWIS / OK2001446 / 2040
2021 Dalapon MR 4 SDWIS / OK2001446 / 2031
2021 Dinoseb MR 4 SDWIS / OK2001446 / 2041
2021 Diquat MR 4 SDWIS / OK2001446 / 2032
2017 o-Dichlorobenzene MR 4 SDWIS / OK2001446 / 2968
2017 trans-1,2-Dichloroethylene MR 4 SDWIS / OK2001446 / 2979
2017 Revised Total Coliform Rule MCL 4 SDWIS / OK2001446 / 8000
2017 1,2,4-Trichlorobenzene MR 4 SDWIS / OK2001446 / 2378
2017 cis-1,2-Dichloroethylene MR 4 SDWIS / OK2001446 / 2380
2017 Pentachlorophenol MR 1 SDWIS / OK2001446 / 2326

How Sunnylane Estates Compares

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

Metric Sunnylane Estates Oklahoma avg Federal benchmark
Total violations 133 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 300 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 Sunnylane Estates water safe to drink? ▼
Sunnylane Estates (PWS ID: OK2001446) has 133 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Sunnylane Estates serve? ▼
Sunnylane Estates serves 300 people in Marina del Rey, Oklahoma. It is a Private-owned system using Groundwater water sources with 92 service connections.
What type of violations does Sunnylane Estates have? ▼
Sunnylane Estates has 133 total violations: 11 health-based violations (MCL exceedances or treatment failures), 115 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sunnylane Estates water? ▼
No PFAS testing data is available for Sunnylane Estates under the EPA's UCMR5 monitoring program.
What water source does Sunnylane Estates use? ▼
Sunnylane 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.

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

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.