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Public water system · MO4036307

Active

Corner Water Company

At a glance

Corner Water Company (PWSID MO4036307) is an active community water system in Wayne County, Missouri. It reports serving 75 people through 30 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

75

Service connections

30

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO4036307
System typeCommunity water system
Activity statusActive
Population served75
Service connections30
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMO state drinking water program
City servedWappapello
StateMissouri
ZIP—
CountyWayne County

How does Corner Water Company compare with other water systems in Wayne County?

By EPA's size categories, Corner Water Company is a very small system (500 people or fewer). Wayne County has 31 active public water systems. Its population served is well below the county average of 293 people per system, and accounts for 0.8% of the 9,096 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 Corner Water Company 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 Corner Water Company?

EPA lists Corner Water Company as privately owned. 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. 16 of the 31 active systems in Wayne County (52%) are also privately owned.

Does Corner Water Company have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2005 and October 2024. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Consumer Confidence Rule, Chromium and Arsenic. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2019-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved

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.

Corner Water Company: frequently asked questions

Who runs Corner Water Company?

Corner Water Company (PWSID MO4036307) is a community water system privately owned. It is regulated by the MO state drinking water program.

How many people does Corner Water Company serve?

Corner Water Company reports serving 75 people through 30 service connections in Wayne County, Missouri.

Where does Corner Water Company 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 Corner Water Company have any drinking water violations?

Of the 12 most recent violations in EPA's records, 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 Corner Water Company'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. Of the 12 most recent violations in EPA's records, 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 Corner Water Company's water quality report?

As a community water system, Corner Water Company 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 Wayne County

Water systemCountyPopulation servedTypeSource
Piedmont PwsWayne1,987CommunitySurface water
Wayne & Butler County Pwsd 4Wayne1,400CommunityGroundwater
Wayne County Pwsd 2Wayne950CommunityGroundwater
Otahki Lake Cabins and CampgroundWayne500Transient non-communityGroundwater
Greenville PwsWayne497CommunityGroundwater
Usace Camp Semo WappapelloWayne400Transient non-communityGroundwater

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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, “Corner Water Company, PWSID MO4036307, Missouri”, https://aquacensus.com/water-systems/missouri/corner-water-company-mo4036307 (data as of October 1, 2026).