Public water system · OK6002173
ActiveOak Ridge Estates I & Ii Water Assoc.
At a glance
Oak Ridge Estates I & Ii Water Assoc. (PWSID OK6002173) is an active community water system in Delaware County, Oklahoma. It reports serving 62 people through 25 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 January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
62
Service connections
25
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oak Ridge Estates I & Ii Water Assoc. compare with other water systems in Delaware County?
By EPA's size categories, Oak Ridge Estates I & Ii Water Assoc. is a very small system (500 people or fewer). Delaware County has 35 active public water systems. Its population served is well below the county average of 714 people per system, and accounts for 0.2% of the 24,973 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 Oak Ridge Estates I & Ii Water Assoc. 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 Oak Ridge Estates I & Ii Water Assoc.?
EPA lists Oak Ridge Estates I & Ii Water Assoc. 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. 22 of the 35 active systems in Delaware County (63%) are also privately owned.
Does Oak Ridge Estates I & Ii Water Assoc. have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between October 2025 and January 2026. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Glyphosate, cis-1,2-Dichloroethylene and Methoxychlor. EPA lists 11 as archived and 1 as addressed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Archived |
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.
Oak Ridge Estates I & Ii Water Assoc.: frequently asked questions
Who runs Oak Ridge Estates I & Ii Water Assoc.?
Oak Ridge Estates I & Ii Water Assoc. (PWSID OK6002173) is a community water system privately owned. It is regulated by the OK state drinking water program.
How many people does Oak Ridge Estates I & Ii Water Assoc. serve?
Oak Ridge Estates I & Ii Water Assoc. reports serving 62 people through 25 service connections in Delaware County, Oklahoma.
Where does Oak Ridge Estates I & Ii Water Assoc. 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 Oak Ridge Estates I & Ii Water Assoc. 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 January 2026. 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 Oak Ridge Estates I & Ii Water Assoc.'s 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 January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Oak Ridge Estates I & Ii Water Assoc.'s water quality report?
As a community water system, Oak Ridge Estates I & Ii Water Assoc. 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 Delaware County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Grove Municipal Services Auth. | Delaware | 7,311 | Community | Surface water |
| Grand Lake Pwa | Delaware | 2,800 | Community | Groundwater |
| Jay | Delaware | 2,482 | Community | Surface water |
| Ketchum Pwa Delaware Co System | Delaware | 1,805 | Community | Surface water |
| South Delaware Co Regional Water Auth. | Delaware | 1,500 | Community | Surface water |
| Delaware Co Rwd #10 | Delaware | 1,295 | Community | Groundwater |
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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, “Oak Ridge Estates I & Ii Water Assoc., PWSID OK6002173, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/oak-ridge-estates-i-ii-water-assoc-ok6002173 (data as of October 1, 2026).