Public water system · OK2006502
ActiveRoger Mills Rws & Swmd #1
At a glance
Roger Mills Rws & Swmd #1 (PWSID OK2006502) is an active community water system in Roger Mills County, Oklahoma. It reports serving 200 people through 110 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 January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
110
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Roger Mills Rws & Swmd #1 compare with other water systems in Roger Mills County?
By EPA's size categories, Roger Mills Rws & Swmd #1 is a very small system (500 people or fewer). Roger Mills County has 7 active public water systems, and Roger Mills Rws & Swmd #1 is the 4th-largest of them by population served. Its population served is about half of the county average of 378 people per system, and accounts for 7.6% of the 2,649 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 Roger Mills Rws & Swmd #1 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 Roger Mills Rws & Swmd #1?
EPA lists Roger Mills Rws & Swmd #1 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. 5 of the 7 active systems in Roger Mills County (71%) are also owned by a local government.
Does Roger Mills Rws & Swmd #1 have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between October 2024 and January 2026. By type: 8 monitoring and reporting, 2 monitoring, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Chlorine (3 of them). EPA lists 7 as resolved, 4 as unaddressed and 1 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-09-12 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Archived |
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-10-31 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | 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.
Roger Mills Rws & Swmd #1: frequently asked questions
Who runs Roger Mills Rws & Swmd #1?
Roger Mills Rws & Swmd #1 (PWSID OK2006502) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Roger Mills Rws & Swmd #1 serve?
Roger Mills Rws & Swmd #1 reports serving 200 people through 110 service connections in Roger Mills County, Oklahoma.
Where does Roger Mills Rws & Swmd #1 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 Roger Mills Rws & Swmd #1 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 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 Roger Mills Rws & Swmd #1'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 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 Roger Mills Rws & Swmd #1's water quality report?
As a community water system, Roger Mills Rws & Swmd #1 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 Roger Mills County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Roger Mills Rwd # 2 (Red Star) | Roger Mills | 800 | Community | Groundwater |
| Cheyenne | Roger Mills | 778 | Community | Surface water |
| Hammon | Roger Mills | 568 | Community | Purchased groundwater |
| Roger Mills Rws & Swmd #3 (Reydon) | Roger Mills | 177 | Community | Groundwater |
| Croton Creek Ranch | Roger Mills | 100 | Transient non-community | Groundwater |
| Hitchin Post | Roger Mills | 26 | Transient non-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, “Roger Mills Rws & Swmd #1, PWSID OK2006502, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/roger-mills-rws-swmd-1-ok2006502 (data as of October 1, 2026).