Public water system · MO4036146
ActiveLake Forest Estates
At a glance
Lake Forest Estates (PWSID MO4036146) is an active community water system in Ste. Genevieve County, Missouri. It reports serving 650 people through 286 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in September 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
650
Service connections
286
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lake Forest Estates compare with other water systems in Ste. Genevieve County?
By EPA's size categories, Lake Forest Estates is a small system (501 to 3,300 people). Ste. Genevieve County has 17 active public water systems, and Lake Forest Estates is the 5th-largest of them by population served. Its population served is about 20% below the county average of 812 people per system, and accounts for 4.7% 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 community water system reports serving 6,703 people, so Lake Forest Estates 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 Lake Forest Estates?
EPA lists Lake Forest Estates 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 Lake Forest Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in September 2018. The violations listed here began between September 1999 and September 2018. By type: 8 contaminant level above the legal limit, 3 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2018-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-03-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2009-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The 12 most recent 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.
Lake Forest Estates: frequently asked questions
Who runs Lake Forest Estates?
Lake Forest Estates (PWSID MO4036146) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Lake Forest Estates serve?
Lake Forest Estates reports serving 650 people through 286 service connections in Ste. Genevieve County, Missouri.
Where does Lake Forest Estates 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 Lake Forest Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in September 2018. 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 Lake Forest Estates' 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. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in September 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Lake Forest Estates' water quality report?
As a community water system, Lake Forest Estates 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 Ste. Genevieve County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ste Genevieve Pws | Ste. Genevieve | 4,999 | Community | Groundwater |
| Ste Genevieve County Pwsd 1 Sc | Ste. Genevieve | 3,718 | Community | Groundwater |
| Ste Genevieve County Pwsd 1 North | Ste. Genevieve | 1,287 | Community | Groundwater |
| Grayhawk Water | Ste. Genevieve | 750 | Community | Groundwater |
| Bloomsdale Pws | Ste. Genevieve | 639 | Community | Groundwater |
| Lake Seven Falls Assn Inc. | Ste. Genevieve | 475 | 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, “Lake Forest Estates, PWSID MO4036146, Missouri”, https://aquacensus.com/water-systems/missouri/lake-forest-estates-mo4036146 (data as of October 1, 2026).