Public water system · MO4024522
ActiveRipley County Pwsd 1 West
At a glance
Ripley County Pwsd 1 West (PWSID MO4024522) is an active community water system in Ripley County, Missouri. It reports serving 940 people through 396 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, 11 are health-based, and the most recent began in August 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
940
Service connections
396
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ripley County Pwsd 1 West compare with other water systems in Ripley County?
By EPA's size categories, Ripley County Pwsd 1 West is a small system (501 to 3,300 people). Ripley County has 8 active public water systems, and Ripley County Pwsd 1 West is the 4th-largest of them by population served. Its population served is about 13% below the county average of 1,081 people per system, and accounts for 11% of the 8,651 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Ripley County Pwsd 1 West 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. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.
Who owns and regulates Ripley County Pwsd 1 West?
EPA lists Ripley County Pwsd 1 West as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 8 active systems in Ripley County (75%) are also owned by a local government.
Does Ripley County Pwsd 1 West have drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in August 2025. The violations listed here began between April 2019 and August 2025. By type: 11 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (6 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 |
|---|---|---|---|---|
| 2025-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2020-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2020-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2020-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2020-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2020-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2019-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2019-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2019-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | 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.
Ripley County Pwsd 1 West: frequently asked questions
Who runs Ripley County Pwsd 1 West?
Ripley County Pwsd 1 West (PWSID MO4024522) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Ripley County Pwsd 1 West serve?
Ripley County Pwsd 1 West reports serving 940 people through 396 service connections in Ripley County, Missouri.
Where does Ripley County Pwsd 1 West 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 Ripley County Pwsd 1 West have any drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in August 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 Ripley County Pwsd 1 West'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, 11 are health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Ripley County Pwsd 1 West's water quality report?
As a community water system, Ripley County Pwsd 1 West 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 Ripley County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ripley County Pwsd 2 | Ripley | 2,780 | Community | Groundwater |
| Ripley County Pwsd 1 East | Ripley | 2,265 | Community | Groundwater |
| Doniphan Pws | Ripley | 2,000 | Community | Groundwater |
| Naylor Pws | Ripley | 471 | Community | Groundwater |
| Gatewood Elementary School | Ripley | 145 | Non-transient non-community | Groundwater |
| Usfs Float Camp Campground | Ripley | 25 | 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, “Ripley County Pwsd 1 West, PWSID MO4024522, Missouri”, https://aquacensus.com/water-systems/missouri/ripley-county-pwsd-1-west-mo4024522 (data as of October 1, 2026).