Public water system · MO3010033
ActiveAshland Pws
At a glance
Ashland Pws (PWSID MO3010033) is an active community water system in Boone County, Missouri. It reports serving 4,999 people through 2,255 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,999
Service connections
2,255
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ashland Pws compare with other water systems in Boone County?
By EPA's size categories, Ashland Pws is a medium system (3,301 to 10,000 people). Boone County has 13 active public water systems, and Ashland Pws is the 6th-largest of them by population served. Its population served is well below the county average of 17,685 people per system, and accounts for 2.2% of the 229,905 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 Ashland Pws is about 25% 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 Ashland Pws?
EPA lists Ashland Pws 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. 9 of the 13 active systems in Boone County (69%) are also owned by a local government.
Does Ashland Pws have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 2026. The violations listed here began between May 1992 and February 2026. By type: 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2003-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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.
Ashland Pws: frequently asked questions
Who runs Ashland Pws?
Ashland Pws (PWSID MO3010033) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Ashland Pws serve?
Ashland Pws reports serving 4,999 people through 2,255 service connections in Boone County, Missouri.
Where does Ashland Pws 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 Ashland Pws have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 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 Ashland Pws' 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 4 violations for this system; none is health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Ashland Pws' water quality report?
As a community water system, Ashland Pws 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 Boone County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Columbia Utilities | Boone | 126,254 | Community | Groundwater |
| University of Missouri Columbia | Boone | 40,000 | Community | Groundwater |
| Boone County Cons Pwsd 1 | Boone | 24,700 | Community | Groundwater |
| Boone County Pwsd 9 | Boone | 15,035 | Community | Groundwater |
| Boone County Pwsd 4 | Boone | 6,455 | Community | Groundwater |
| Boone County Pwsd 10 | Boone | 4,963 | 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, “Ashland Pws, PWSID MO3010033, Missouri”, https://aquacensus.com/water-systems/missouri/ashland-pws-mo3010033 (data as of October 1, 2026).