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Transient Non-Community Water System · PWS OK1021631

Spinnaker Point Estates

Afton, Oklahoma 74331 - drinking water served from surface water sources to 120 people, tracked in EPA SDWIS and UCMR5.

120
People served
208
EPA violations
109
Health-based
Untested
UCMR5 result

The verdict

EPA records 208 drinking-water violations at Spinnaker Point Estates, 52% of them health-based - below the Oklahoma per-system average.

208
Total EPA violations on record
52%
Health-based (MCL / treatment failure)
120
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Spinnaker Point Estates

Spinnaker Point Estates is a private-owned transient non-community water system that delivers drinking water to 120 residents in Afton, Oklahoma (Delaware County) through 80 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 208 total violations for this system , of which 109 (52%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 26 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 Interim Enhanced Surface Water Treatment Rule, recorded in 108 violations (TT, 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. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%).

Spinnaker Point Estates's 208 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
120
Total Violations
208
Health-Based Violations
109
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
80
County
Delaware
School/Daycare
No
MCL Violations
0
Monitoring Violations
26
Treatment Tech Violations
109

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 108 2019
Interim Enhanced Surface Water Treatment Rule MR 16 2023
Coliform (TCR) MR 7 2009
Revised Total Coliform Rule MON 3 2024
Surface Water Treatment Rule TT 1 1993

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 Spinnaker Point 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 OK1021631 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 3 SDWIS / OK1021631 / 8000
2023 Interim Enhanced Surface Water Treatment Rule MR 16 SDWIS / OK1021631 / 0300
2019 Interim Enhanced Surface Water Treatment Rule TT 108 SDWIS / OK1021631 / 0300
2009 Coliform (TCR) MR 7 SDWIS / OK1021631 / 3100
1993 Surface Water Treatment Rule TT 1 SDWIS / OK1021631 / 0200

How Spinnaker Point Estates Compares

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

Metric Spinnaker Point Estates Oklahoma avg Federal benchmark
Total violations 208 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 109 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 120 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 Spinnaker Point Estates water safe to drink? ▼
Spinnaker Point Estates (PWS ID: OK1021631) has 208 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 120 people using Surface Water sources.
How many people does Spinnaker Point Estates serve? ▼
Spinnaker Point Estates serves 120 people in Afton, Oklahoma. It is a Private-owned system using Surface Water water sources with 80 service connections.
What type of violations does Spinnaker Point Estates have? ▼
Spinnaker Point Estates has 208 total violations: 109 health-based violations (MCL exceedances or treatment failures), 26 monitoring/reporting violations, and 109 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Spinnaker Point Estates water? ▼
No PFAS testing data is available for Spinnaker Point Estates under the EPA's UCMR5 monitoring program.
What water source does Spinnaker Point Estates use? ▼
Spinnaker Point Estates uses Surface Water as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.