Public water system · OK3004713
ActiveMcclain County Rw & Sd #9
At a glance
Mcclain County Rw & Sd #9 (PWSID OK3004713) is an active community water system in McClain County, Oklahoma. It reports serving 250 people through 85 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
85
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Mcclain County Rw & Sd #9 compare with other water systems in McClain County?
By EPA's size categories, Mcclain County Rw & Sd #9 is a very small system (500 people or fewer). McClain County has 14 active public water systems. Its population served is well below the county average of 1,745 people per system, and accounts for 1% of the 24,436 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 Mcclain County Rw & Sd #9 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 299 Oklahoma systems (24%) list purchased surface water as their primary source.
Who owns and regulates Mcclain County Rw & Sd #9?
EPA lists Mcclain County Rw & Sd #9 as owned by a local government. 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. 11 of the 14 active systems in McClain County (79%) are also owned by a local government.
Does Mcclain County Rw & Sd #9 have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between October 2024 and October 2024. By type: 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
All 2 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.
Mcclain County Rw & Sd #9: frequently asked questions
Who runs Mcclain County Rw & Sd #9?
Mcclain County Rw & Sd #9 (PWSID OK3004713) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Mcclain County Rw & Sd #9 serve?
Mcclain County Rw & Sd #9 reports serving 250 people through 85 service connections in McClain County, Oklahoma.
Where does Mcclain County Rw & Sd #9 get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Mcclain County Rw & Sd #9 have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 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 Mcclain County Rw & Sd #9'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. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 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 Mcclain County Rw & Sd #9's water quality report?
As a community water system, Mcclain County Rw & Sd #9 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 McClain County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Newcastle | McClain | 7,900 | Community | Purchased surface water |
| Purcell | McClain | 6,693 | Community | Groundwater |
| Blanchard | McClain | 2,966 | Community | Purchased surface water |
| Goldsby Water Auth Trust | McClain | 2,000 | Community | Groundwater |
| Mcclain Co Rwd # 8 | McClain | 1,897 | Community | Groundwater |
| Wayne | McClain | 688 | 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, “Mcclain County Rw & Sd #9, PWSID OK3004713, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/mcclain-county-rw-sd-9-ok3004713 (data as of October 1, 2026).