Public water system · MO1010445
ActiveLake Waukomis Pws
At a glance
Lake Waukomis Pws (PWSID MO1010445) is an active community water system in Platte County, Missouri. It reports serving 1,083 people through 439 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,083
Service connections
439
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Lake Waukomis Pws compare with other water systems in Platte County?
By EPA's size categories, Lake Waukomis Pws is a small system (501 to 3,300 people). Platte County has 20 active public water systems. Its population served is about 60% below the county average of 2,712 people per system, and accounts for 2% of the 54,230 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 Waukomis Pws 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 177 Missouri systems (6%) list purchased groundwater as their primary source.
Who owns and regulates Lake Waukomis Pws?
EPA lists Lake Waukomis 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. 17 of the 20 active systems in Platte County (85%) are also owned by a local government.
Does Lake Waukomis Pws have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between July 2022 and October 2024. By type: 2 monitoring, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (2 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
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.
Lake Waukomis Pws: frequently asked questions
Who runs Lake Waukomis Pws?
Lake Waukomis Pws (PWSID MO1010445) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Lake Waukomis Pws serve?
Lake Waukomis Pws reports serving 1,083 people through 439 service connections in Platte County, Missouri.
Where does Lake Waukomis Pws get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Lake Waukomis Pws have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2024. 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 Waukomis 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 records list 4 violations for this system; none is health-based, and the most recent began in October 2024. 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 Waukomis Pws' water quality report?
As a community water system, Lake Waukomis 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 Platte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mo American Platte County | Platte | 16,645 | Community | Groundwater |
| Platte Co Pwsd 4 | Platte | 9,552 | Community | Purchased surface water |
| Platte County Cons Pwsd 1 | Platte | 7,074 | Community | Purchased surface water |
| Platte City Pws | Platte | 4,691 | Community | Purchased surface water |
| Platte County Pwsd 6 | Platte | 2,095 | Community | Purchased groundwater |
| Weatherby Lake Pws | Platte | 2,077 | Community | Purchased surface water |
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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 Waukomis Pws, PWSID MO1010445, Missouri”, https://aquacensus.com/water-systems/missouri/lake-waukomis-pws-mo1010445 (data as of October 1, 2026).