Public water system · MO6010430
ActiveKirkwood Pws
At a glance
Kirkwood Pws (PWSID MO6010430) is an active community water system in St. Louis County, Missouri. It reports serving 28,000 people through 10,694 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28,000
Service connections
10,694
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Kirkwood Pws compare with other water systems in St. Louis County?
By EPA's size categories, Kirkwood Pws is a large system (10,001 to 100,000 people). St. Louis County has 23 active public water systems, and Kirkwood Pws is the 2nd-largest of them by population served. Its population served is about 44% below the county average of 49,800 people per system, and accounts for 2.4% of the 1,145,404 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 Kirkwood Pws is about 4.2 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.
Who owns and regulates Kirkwood Pws?
EPA lists Kirkwood Pws as owned by a local government. 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. 4 of the 23 active systems in St. Louis County (17%) are also owned by a local government.
Does Kirkwood Pws 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 Kirkwood Pws. For the latest compliance status, check EPA ECHO for current compliance history.
Kirkwood Pws: frequently asked questions
Who runs Kirkwood Pws?
Kirkwood Pws (PWSID MO6010430) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Kirkwood Pws serve?
Kirkwood Pws reports serving 28,000 people through 10,694 service connections in St. Louis County, Missouri.
Where does Kirkwood Pws get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Kirkwood Pws have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Kirkwood Pws' 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 Kirkwood Pws' water quality report?
As a community water system, Kirkwood Pws 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. Louis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mo American St Louis St Charles Counties | St. Louis + 1 more | 1,111,000 | Community | Surface water |
| Six Flags St Louis | St. Louis | 3,200 | Non-transient non-community | Groundwater |
| Mo Eastern Correctional Center | St. Louis | 1,100 | Community | Groundwater |
| Rockwoods Reservation | St. Louis | 550 | Transient non-community | Groundwater |
| Babler State Park | St. Louis | 500 | Transient non-community | Groundwater |
| Mo American Pevely Farms | St. Louis | 343 | 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, “Kirkwood Pws, PWSID MO6010430, Missouri”, https://aquacensus.com/water-systems/missouri/kirkwood-pws-mo6010430 (data as of October 1, 2026).