Public water system · OK2006203
ActiveStonewall Pwa
At a glance
Stonewall Pwa (PWSID OK2006203) is an active community water system in Pontotoc County, Oklahoma. It reports serving 465 people through 232 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
465
Service connections
232
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stonewall Pwa compare with other water systems in Pontotoc County?
By EPA's size categories, Stonewall Pwa is a very small system (500 people or fewer). Pontotoc County has 11 active public water systems. Its population served is well below the county average of 3,348 people per system, and accounts for 1.3% of the 36,830 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 Stonewall Pwa 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 Stonewall Pwa?
EPA lists Stonewall Pwa 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. 10 of the 11 active systems in Pontotoc County (91%) are also owned by a local government.
Does Stonewall Pwa have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between January 2010 and October 2025. By type: 8 monitoring and reporting, 2 monitoring, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 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 |
| 2021-08-10 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2021-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-02-10 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2010-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | 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.
Stonewall Pwa: frequently asked questions
Who runs Stonewall Pwa?
Stonewall Pwa (PWSID OK2006203) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Stonewall Pwa serve?
Stonewall Pwa reports serving 465 people through 232 service connections in Pontotoc County, Oklahoma.
Where does Stonewall Pwa 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 Stonewall Pwa have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. 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 Stonewall Pwa'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, one is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Stonewall Pwa's water quality report?
As a community water system, Stonewall Pwa 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 Pontotoc County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ada | Pontotoc | 22,600 | Community | Groundwater |
| Pontotoc Co Rwd # 7 | Pontotoc | 4,863 | Community | Purchased groundwater |
| Pontotoc Co Rwd # 8 | Pontotoc | 4,250 | Community | Groundwater |
| Pontotoc Co Rwd # 9 | Pontotoc | 1,162 | Community | Purchased groundwater |
| Allen Pwa | Pontotoc | 937 | Community | Groundwater |
| Pontotoc Co Rwd # 6 (Fittstown) | Pontotoc | 896 | Community | Purchased 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, “Stonewall Pwa, PWSID OK2006203, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/stonewall-pwa-ok2006203 (data as of October 1, 2026).