Public water system · LA1103200
ActiveMagnolia-Penn Mill Place
At a glance
Magnolia-Penn Mill Place (PWSID LA1103200) is an active community water system in St. Tammany Parish County, Missouri. It reports serving 171 people through 57 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
171
Service connections
57
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Magnolia-Penn Mill Place compare with other water systems in St. Tammany Parish County?
By EPA's size categories, Magnolia-Penn Mill Place is a very small system (500 people or fewer). St. Tammany Parish County has 27 active public water systems. Its population served is well below the county average of 1,698 people per system, and accounts for 0.4% of the 45,833 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 Magnolia-Penn Mill Place 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 Magnolia-Penn Mill Place?
EPA lists Magnolia-Penn Mill Place as privately owned. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 27 of the 27 active systems in St. Tammany Parish County (100%) are also privately owned.
Does Magnolia-Penn Mill Place 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 Magnolia-Penn Mill Place. For the latest compliance status, check EPA ECHO for current compliance history.
Magnolia-Penn Mill Place: frequently asked questions
Who runs Magnolia-Penn Mill Place?
Magnolia-Penn Mill Place (PWSID LA1103200) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Magnolia-Penn Mill Place serve?
Magnolia-Penn Mill Place reports serving 171 people through 57 service connections in St. Tammany Parish County, Missouri.
Where does Magnolia-Penn Mill Place 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 Magnolia-Penn Mill Place have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Magnolia-Penn Mill Place'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 LA state drinking water program.
Where can I find Magnolia-Penn Mill Place's water quality report?
As a community water system, Magnolia-Penn Mill Place 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 St. Tammany Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Magnolia-Eden Isles | St. Tammany Parish | 10,155 | Community | Groundwater |
| Magnolia-Greenleaves | St. Tammany Parish | 8,031 | Community | Groundwater |
| Magnolia-Resolve Whisperwood | St. Tammany Parish | 6,867 | Community | Groundwater |
| Magnolia-the Meadows | St. Tammany Parish | 4,701 | Community | Groundwater |
| Magnolia-Lakeshore Estates | St. Tammany Parish | 4,146 | Community | Groundwater |
| Magnolia-Guste Island | St. Tammany Parish | 2,847 | 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, “Magnolia-Penn Mill Place, PWSID LA1103200, Missouri”, https://aquacensus.com/water-systems/missouri/magnolia-penn-mill-place-la1103200 (data as of October 1, 2026).