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Community Water System · PWS OK2002664

Southern Hills Estates

Tuttle, Oklahoma 73089 - drinking water served from groundwater sources to 200 people, tracked in EPA SDWIS and UCMR5.

200
People served
1,562
EPA violations
21
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,562 drinking-water violations at Southern Hills Estates, 1% of them health-based - above the Oklahoma per-system average.

1,562
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Southern Hills Estates

Southern Hills Estates is a private-owned community water system that delivers drinking water to 200 residents in Tuttle, Oklahoma (Grady County) through 144 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,562 total violations for this system , of which 21 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,496 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 116 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%).

Southern Hills Estates's 1,562 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
200
Total Violations
1,562
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
144
County
Grady
School/Daycare
No
MCL Violations
19
Monitoring Violations
1,496
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 116 2015
Chlorine MR 87 2022
Revised Total Coliform Rule MON 59 2020
Gross Alpha, Excl. Radon and U MR 51 2020
Combined Uranium MR 51 2020
Combined Radium (-226 and -228) MR 51 2020
Gross Beta Particle Activity MR 51 2020
1,2,4-Trichlorobenzene MR 40 2016
cis-1,2-Dichloroethylene MR 40 2016
p-Dichlorobenzene MR 40 2016
Vinyl chloride MR 40 2016
1,1-Dichloroethylene MR 40 2016
trans-1,2-Dichloroethylene MR 40 2016
1,2-Dichloroethane MR 40 2016
1,1,1-Trichloroethane MR 40 2016
Trichloroethylene MR 40 2016
CHLOROBENZENE MR 40 2016
Benzene MR 40 2016
Ethylbenzene MR 40 2016
Xylenes, Total MR 40 2016
DICHLOROMETHANE MR 40 2016
1,2-Dichloropropane MR 40 2016
1,1,2-Trichloroethane MR 40 2016
Tetrachloroethylene MR 40 2016
Styrene MR 40 2016
o-Dichlorobenzene MR 40 2016
Carbon tetrachloride MR 40 2016
Toluene MR 40 2016
E. COLI MR 31 2023
Lead and Copper Rule MR 29 2018

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 Southern Hills 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 OK2002664 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 BHC-GAMMA MR 6 SDWIS / OK2002664 / 2010
2024 Methoxychlor MR 6 SDWIS / OK2002664 / 2015
2024 Heptachlor MR 6 SDWIS / OK2002664 / 2065
2024 Heptachlor epoxide MR 6 SDWIS / OK2002664 / 2067
2024 HEXACHLOROBENZENE MR 6 SDWIS / OK2002664 / 2274
2024 Endrin MR 4 SDWIS / OK2002664 / 2005
2023 E. COLI MR 31 SDWIS / OK2002664 / 3014
2022 Chlorine MR 87 SDWIS / OK2002664 / 0999
2020 Revised Total Coliform Rule MON 59 SDWIS / OK2002664 / 8000
2020 Gross Alpha, Excl. Radon and U MR 51 SDWIS / OK2002664 / 4000
2020 Combined Uranium MR 51 SDWIS / OK2002664 / 4006
2020 Combined Radium (-226 and -228) MR 51 SDWIS / OK2002664 / 4010
2020 Gross Beta Particle Activity MR 51 SDWIS / OK2002664 / 4100
2019 Nitrate-Nitrite MR 16 SDWIS / OK2002664 / 1038
2018 Lead and Copper Rule MR 29 SDWIS / OK2002664 / 5000

How Southern Hills Estates Compares

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

Metric Southern Hills Estates Oklahoma avg Federal benchmark
Total violations 1,562 266.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 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 200 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 Southern Hills Estates water safe to drink? ▼
Southern Hills Estates (PWS ID: OK2002664) has 1562 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 200 people using Groundwater sources.
How many people does Southern Hills Estates serve? ▼
Southern Hills Estates serves 200 people in Tuttle, Oklahoma. It is a Private-owned system using Groundwater water sources with 144 service connections.
What type of violations does Southern Hills Estates have? ▼
Southern Hills Estates has 1,562 total violations: 21 health-based violations (MCL exceedances or treatment failures), 1,496 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Southern Hills Estates water? ▼
No PFAS testing data is available for Southern Hills Estates under the EPA's UCMR5 monitoring program.
What water source does Southern Hills Estates use? ▼
Southern Hills 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.