Public water system · OK3001504
ActiveRoundhill Rwd #4
At a glance
Roundhill Rwd #4 (PWSID OK3001504) is an active community water system in Coal County, Oklahoma. It reports serving 219 people through 110 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in February 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
219
Service connections
110
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Roundhill Rwd #4 compare with other water systems in Coal County?
By EPA's size categories, Roundhill Rwd #4 is a very small system (500 people or fewer). Coal County has 8 active public water systems, and Roundhill Rwd #4 is the 6th-largest of them by population served. Its population served is about 56% below the county average of 502 people per system, and accounts for 5.5% of the 4,013 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 Roundhill Rwd #4 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 Roundhill Rwd #4?
EPA lists Roundhill Rwd #4 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. 7 of the 8 active systems in Coal County (88%) are also owned by a local government.
Does Roundhill Rwd #4 have drinking water violations?
Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in February 2023. The violations listed here began between July 2015 and February 2023. By type: 10 contaminant level above the legal limit, 1 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (10 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 |
|---|---|---|---|---|
| 2023-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2020-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2017-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2017-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2017-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2017-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | 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.
Roundhill Rwd #4: frequently asked questions
Who runs Roundhill Rwd #4?
Roundhill Rwd #4 (PWSID OK3001504) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Roundhill Rwd #4 serve?
Roundhill Rwd #4 reports serving 219 people through 110 service connections in Coal County, Oklahoma.
Where does Roundhill Rwd #4 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 Roundhill Rwd #4 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in February 2023. 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 Roundhill Rwd #4'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, 10 are health-based, and the most recent began in February 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Roundhill Rwd #4's water quality report?
As a community water system, Roundhill Rwd #4 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 Coal County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Coalgate Pwa | Coal | 2,005 | Community | Surface water |
| Lehigh | Coal | 396 | Community | Groundwater |
| Tupelo Pwa | Coal | 377 | Community | Purchased groundwater |
| Coal Co Rwd #5 | Coal | 366 | Community | Purchased surface water |
| Clarita-Olney Rwd | Coal | 360 | Community | Purchased surface water |
| Coal Co Rw&Swmg #6 | Coal | 150 | 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, “Roundhill Rwd #4, PWSID OK3001504, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/roundhill-rwd-4-ok3001504 (data as of October 1, 2026).