Public water system · OK2002664
ActiveSouthern Hills Estates
At a glance
Southern Hills Estates (PWSID OK2002664) is an active community water system in Grady County, Oklahoma. It reports serving 200 people through 144 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
144
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Southern Hills Estates compare with other water systems in Grady County?
By EPA's size categories, Southern Hills Estates is a very small system (500 people or fewer). Grady County has 29 active public water systems. Its population served is well below the county average of 1,045 people per system, and accounts for 0.7% of the 30,294 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active community water system reports serving 6,703 people, so Southern Hills Estates is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Oklahoma has 864 active community water systems, 69% of the state's 1,254 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 701 Oklahoma systems (56%) list groundwater as their primary source.
Who owns and regulates Southern Hills Estates?
EPA lists Southern Hills Estates as privately owned. The OK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 18 of the 29 active systems in Grady County (62%) are also privately owned.
Does Southern Hills Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between July 2024 and July 2024. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Heptachlor epoxide (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Southern Hills Estates: frequently asked questions
Who runs Southern Hills Estates?
Southern Hills Estates (PWSID OK2002664) is a community water system privately owned. It is regulated by the OK state drinking water program.
How many people does Southern Hills Estates serve?
Southern Hills Estates reports serving 200 people through 144 service connections in Grady County, Oklahoma.
Where does Southern Hills Estates get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Southern Hills Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Southern Hills Estates' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Southern Hills Estates' water quality report?
As a community water system, Southern Hills Estates must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Grady County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chickasha Municipal Authority | Grady | 16,036 | Community | Surface water |
| Grady Co Rwd #6 | Grady | 3,930 | Community | Groundwater |
| Grady Co Rwd #7 (Ninnekah) | Grady | 2,425 | Community | Groundwater |
| Minco | Grady | 1,632 | Community | Groundwater |
| Rush Springs | Grady | 1,278 | Community | Groundwater |
| Norge Water and Sewer Co., Inc. | Grady | 890 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Southern Hills Estates, PWSID OK2002664, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/southern-hills-estates-ok2002664 (data as of October 1, 2026).