Public water system · MO4010136
ActiveCape Girardeau Pws
At a glance
Cape Girardeau Pws (PWSID MO4010136) is an active community water system in Cape Girardeau County, Missouri. It reports serving 39,941 people through 17,002 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, 2 are health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
39,941
Service connections
17,002
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cape Girardeau Pws compare with other water systems in Cape Girardeau County?
By EPA's size categories, Cape Girardeau Pws is a large system (10,001 to 100,000 people). Cape Girardeau County has 29 active public water systems, and Cape Girardeau Pws is the largest of them by population served. Its population served is about 16 times the county average of 2,537 people per system, and accounts for 54% of the 73,571 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 Cape Girardeau Pws is about 6 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. 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 Cape Girardeau Pws?
EPA lists Cape Girardeau 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. 9 of the 29 active systems in Cape Girardeau County (31%) are also owned by a local government.
Does Cape Girardeau Pws have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 2025. The violations listed here began between July 1988 and May 2025. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Groundwater Rule (4 of them). EPA lists 10 as resolved and 2 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-05-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-04-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2025-02-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Archived |
| 2024-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 1998-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 1988-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | 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.
Cape Girardeau Pws: frequently asked questions
Who runs Cape Girardeau Pws?
Cape Girardeau Pws (PWSID MO4010136) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Cape Girardeau Pws serve?
Cape Girardeau Pws reports serving 39,941 people through 17,002 service connections in Cape Girardeau County, Missouri.
Where does Cape Girardeau 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 Cape Girardeau Pws have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in May 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 Cape Girardeau 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, 2 are health-based, and the most recent began in May 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 Cape Girardeau Pws' water quality report?
As a community water system, Cape Girardeau 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 Cape Girardeau County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jackson Pws | Cape Girardeau | 15,000 | Community | Groundwater |
| Cape Perry County Pwsd 1 South | Cape Girardeau | 8,545 | Community | Groundwater |
| Cape Girardeau County Pwsd 2 | Cape Girardeau | 2,913 | Community | Groundwater |
| Cape Girardeau County Pwsd 4 | Cape Girardeau | 1,743 | Community | Groundwater |
| Procter & Gamble Paper Prod Co | Cape Girardeau | 1,200 | Non-transient non-community | Groundwater |
| Hillcrest Utility Operating Company Inc. | Cape Girardeau | 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, “Cape Girardeau Pws, PWSID MO4010136, Missouri”, https://aquacensus.com/water-systems/missouri/cape-girardeau-pws-mo4010136 (data as of October 1, 2026).