Public water system · MO6031385
ActiveCalvey Brook Estates
At a glance
Calvey Brook Estates (PWSID MO6031385) is an active community water system in Franklin County, Missouri. It reports serving 40 people through 16 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
40
Service connections
16
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Calvey Brook Estates compare with other water systems in Franklin County?
By EPA's size categories, Calvey Brook Estates is a very small system (500 people or fewer). Franklin County has 81 active public water systems. Its population served is well below the county average of 876 people per system, and accounts for less than 0.1% of the 70,978 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 Calvey Brook 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 Calvey Brook Estates?
EPA lists Calvey Brook 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. 52 of the 81 active systems in Franklin County (64%) are also privately owned.
Does Calvey Brook Estates 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 Calvey Brook Estates. For the latest compliance status, check EPA ECHO for current compliance history.
Calvey Brook Estates: frequently asked questions
Who runs Calvey Brook Estates?
Calvey Brook Estates (PWSID MO6031385) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Calvey Brook Estates serve?
Calvey Brook Estates reports serving 40 people through 16 service connections in Franklin County, Missouri.
Where does Calvey Brook 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 Calvey Brook Estates have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Calvey Brook 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. 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 Calvey Brook Estates' water quality report?
As a community water system, Calvey Brook 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 Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Washington Pws | Franklin | 14,068 | Community | Groundwater |
| Union Pws | Franklin | 12,348 | Community | Groundwater |
| Franklin County Pwsd 3 | Franklin | 8,250 | Community | Groundwater |
| Sullivan Pws | Franklin + 1 more | 7,081 | Community | Groundwater |
| Pacific Pws | Franklin + 1 more | 6,000 | Community | Groundwater |
| St Clair Pws | Franklin | 4,700 | 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, “Calvey Brook Estates, PWSID MO6031385, Missouri”, https://aquacensus.com/water-systems/missouri/calvey-brook-estates-mo6031385 (data as of October 1, 2026).