Public water system · MO3010039
ActiveAuxvasse Pws
At a glance
Auxvasse Pws (PWSID MO3010039) is an active community water system in Callaway County, Missouri. It reports serving 1,001 people through 429 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,001
Service connections
429
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Auxvasse Pws compare with other water systems in Callaway County?
By EPA's size categories, Auxvasse Pws is a small system (501 to 3,300 people). Callaway County has 14 active public water systems, and Auxvasse Pws is the 5th-largest of them by population served. Its population served is about 65% below the county average of 2,853 people per system, and accounts for 2.5% of the 39,944 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 Auxvasse Pws 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 Auxvasse Pws?
EPA lists Auxvasse 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. 8 of the 14 active systems in Callaway County (57%) are also owned by a local government.
Does Auxvasse Pws have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between April 1992 and October 2024. By type: 6 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Auxvasse Pws: frequently asked questions
Who runs Auxvasse Pws?
Auxvasse Pws (PWSID MO3010039) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Auxvasse Pws serve?
Auxvasse Pws reports serving 1,001 people through 429 service connections in Callaway County, Missouri.
Where does Auxvasse 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 Auxvasse Pws have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2024. 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 Auxvasse 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 7 violations for this system; none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Auxvasse Pws' water quality report?
As a community water system, Auxvasse 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 Callaway County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Callaway 2 Water District | Callaway | 13,080 | Community | Groundwater |
| Fulton Pws | Callaway | 12,600 | Community | Groundwater |
| Callaway County Pwsd 1 | Callaway | 9,840 | Community | Groundwater |
| South Callaway County R Ii Schools | Callaway | 1,100 | Non-transient non-community | Groundwater |
| Ameren Missouri Callaway Energy Center | Callaway | 750 | Non-transient non-community | Groundwater |
| New Bloomfield Pws | Callaway | 669 | 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, “Auxvasse Pws, PWSID MO3010039, Missouri”, https://aquacensus.com/water-systems/missouri/auxvasse-pws-mo3010039 (data as of October 1, 2026).