Skip to content
AquaCensus

Public water system · MO4243360

Active

Postcard Cabins St Francois

At a glance

Postcard Cabins St Francois (PWSID MO4243360) is an active transient non-community water system in Ste. Genevieve County, Missouri. It reports serving 25 people through 41 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

25

Service connections

41

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMO4243360
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections41
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMO state drinking water program
City served—
StateMissouri
ZIP—
CountySte. Genevieve County

How does Postcard Cabins St Francois compare with other water systems in Ste. Genevieve County?

By EPA's size categories, Postcard Cabins St Francois is a very small system (500 people or fewer). Ste. Genevieve County has 17 active public water systems. Its population served is well below the county average of 812 people per system, and accounts for 0.2% of the 13,798 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Postcard Cabins St Francois is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Missouri has 1,103 active transient non-community water systems, 37% 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 Postcard Cabins St Francois?

EPA lists Postcard Cabins St Francois 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. 11 of the 17 active systems in Ste. Genevieve County (65%) are also privately owned.

Does Postcard Cabins St Francois have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 2025. The violations listed here began between March 2024 and May 2025. By type: 3 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-05-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

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.

Postcard Cabins St Francois: frequently asked questions

Who runs Postcard Cabins St Francois?

Postcard Cabins St Francois (PWSID MO4243360) is a transient non-community water system privately owned. It is regulated by the MO state drinking water program.

How many people does Postcard Cabins St Francois serve?

Postcard Cabins St Francois reports serving 25 people through 41 service connections in Ste. Genevieve County, Missouri.

Where does Postcard Cabins St Francois 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 Postcard Cabins St Francois have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in May 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 Postcard Cabins St Francois' 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 May 2025. For current results, consult EPA ECHO, or the MO state drinking water program.

Where can I find Postcard Cabins St Francois' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Postcard Cabins St Francois is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Ste. Genevieve County

Water systemCountyPopulation servedTypeSource
Ste Genevieve PwsSte. Genevieve4,999CommunityGroundwater
Ste Genevieve County Pwsd 1 ScSte. Genevieve3,718CommunityGroundwater
Ste Genevieve County Pwsd 1 NorthSte. Genevieve1,287CommunityGroundwater
Grayhawk WaterSte. Genevieve750CommunityGroundwater
Lake Forest EstatesSte. Genevieve650CommunityGroundwater
Bloomsdale PwsSte. Genevieve639CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Postcard Cabins St Francois, PWSID MO4243360, Missouri”, https://aquacensus.com/water-systems/missouri/postcard-cabins-st-francois-mo4243360 (data as of October 1, 2026).