Public water system · MO1010714
ActiveMo American St Joseph
At a glance
Mo American St Joseph (PWSID MO1010714) is an active community water system serving Andrew, DeKalb and Buchanan counties, Missouri. It reports serving 89,171 people through 32,207 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
89,171
Service connections
32,207
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mo American St Joseph compare with other water systems in Missouri?
By EPA's size categories, Mo American St Joseph is a large system (10,001 to 100,000 people). 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 Mo American St Joseph is about 13 times 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 Mo American St Joseph?
EPA lists Mo American St Joseph as privately owned. 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.
Does Mo American St Joseph have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Mo American St Joseph. For the latest compliance status, check EPA ECHO for current compliance history.
Mo American St Joseph: frequently asked questions
Who runs Mo American St Joseph?
Mo American St Joseph (PWSID MO1010714) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mo American St Joseph serve?
Mo American St Joseph reports serving 89,171 people through 32,207 service connections in Andrew, DeKalb and Buchanan counties, Missouri.
Where does Mo American St Joseph 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 Mo American St Joseph have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Mo American St Joseph'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. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Mo American St Joseph's water quality report?
As a community water system, Mo American St Joseph 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 Andrew County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Andrew County Pwsd 1 | Andrew | 6,042 | Community | Purchased groundwater |
| Savannah Pws | Andrew | 5,249 | Community | Groundwater |
| Andrew County Pwsd 2 | Andrew | 3,580 | Community | Purchased groundwater |
| Andrew County Pwsd 3 | Andrew | 1,178 | Community | Purchased groundwater |
| Andrew County Pwsd 4 | Andrew | 600 | Community | Purchased groundwater |
| Amazonia Pws | Andrew | 236 | Community | Purchased 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, “Mo American St Joseph, PWSID MO1010714, Missouri”, https://aquacensus.com/water-systems/missouri/mo-american-st-joseph-mo1010714 (data as of October 1, 2026).