Public water system · MO1024191
ActiveDekalb County Pwsd 1
At a glance
Dekalb County Pwsd 1 (PWSID MO1024191) is an active community water system in DeKalb County, Missouri. It reports serving 7,635 people through 3,050 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; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,635
Service connections
3,050
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Dekalb County Pwsd 1 compare with other water systems in DeKalb County?
By EPA's size categories, Dekalb County Pwsd 1 is a medium system (3,301 to 10,000 people). DeKalb County has 6 active public water systems, and Dekalb County Pwsd 1 is the largest of them by population served. Its population served is about 4.3 times the county average of 1,783 people per system, and accounts for 71% of the 10,695 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 Dekalb County Pwsd 1 is about 14% above 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 Dekalb County Pwsd 1?
EPA lists Dekalb County Pwsd 1 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. 5 of the 6 active systems in DeKalb County (83%) are also owned by a local government.
Does Dekalb County Pwsd 1 have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between September 1991 and July 2025. By type: 2 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 2 as archived, 1 as unaddressed and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Dekalb County Pwsd 1: frequently asked questions
Who runs Dekalb County Pwsd 1?
Dekalb County Pwsd 1 (PWSID MO1024191) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Dekalb County Pwsd 1 serve?
Dekalb County Pwsd 1 reports serving 7,635 people through 3,050 service connections in DeKalb County, Missouri.
Where does Dekalb County Pwsd 1 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 Dekalb County Pwsd 1 have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 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 Dekalb County Pwsd 1's 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; 1 is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Dekalb County Pwsd 1's water quality report?
As a community water system, Dekalb County Pwsd 1 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 DeKalb County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Maysville Pws | DeKalb | 1,096 | Community | Purchased groundwater |
| Mo American Stewartsville | DeKalb | 928 | Community | Purchased groundwater |
| Osborn Pws | DeKalb | 405 | Community | Purchased groundwater |
| Union Star Pws | DeKalb | 386 | Community | Purchased groundwater |
| Clarksdale Pws | DeKalb | 245 | Community | Purchased 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, “Dekalb County Pwsd 1, PWSID MO1024191, Missouri”, https://aquacensus.com/water-systems/missouri/dekalb-county-pwsd-1-mo1024191 (data as of October 1, 2026).