Public water system · MO5010763
ActiveStockton Pws
At a glance
Stockton Pws (PWSID MO5010763) is an active community water system in Cedar County, Missouri. It reports serving 1,892 people through 1,026 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in December 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,892
Service connections
1,026
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stockton Pws compare with other water systems in Cedar County?
By EPA's size categories, Stockton Pws is a small system (501 to 3,300 people). Cedar County has 30 active public water systems, and Stockton Pws is the 2nd-largest of them by population served. Its population served is about 6.4 times the county average of 296 people per system, and accounts for 21% of the 8,881 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 Stockton 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. 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 Stockton Pws?
EPA lists Stockton 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 30 active systems in Cedar County (13%) are also owned by a local government.
Does Stockton Pws have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in December 2023. The violations listed here began between August 1993 and December 2023. By type: 7 contaminant level above the legal limit, 4 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 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 |
|---|---|---|---|---|
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1994-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 1993-08-01 | 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.
Stockton Pws: frequently asked questions
Who runs Stockton Pws?
Stockton Pws (PWSID MO5010763) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Stockton Pws serve?
Stockton Pws reports serving 1,892 people through 1,026 service connections in Cedar County, Missouri.
Where does Stockton Pws 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 Stockton Pws have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in December 2023. 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 Stockton 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. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Stockton Pws' water quality report?
As a community water system, Stockton 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 Cedar County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| El Dorado Springs Pws | Cedar | 3,593 | Community | Groundwater |
| Cedar County Pwsd 1 | Cedar | 1,650 | Community | Groundwater |
| Stockton Hills Water Co | Cedar | 400 | Community | Groundwater |
| Agape Land Management | Cedar | 250 | Community | Groundwater |
| Stockton State Park Campgrd | Cedar | 163 | Transient non-community | Groundwater |
| Calypso Cove Rv Park | Cedar | 120 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Stockton Pws, PWSID MO5010763, Missouri”, https://aquacensus.com/water-systems/missouri/stockton-pws-mo5010763 (data as of October 1, 2026).