Public water system · MO1010177
ActiveHenry County Water Company
At a glance
Henry County Water Company (PWSID MO1010177) is an active community water system in Henry County, Missouri. It reports serving 11,373 people through 4,617 service connections. Its primary water source is surface water, 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 1994.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,373
Service connections
4,617
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Henry County Water Company compare with other water systems in Henry County?
By EPA's size categories, Henry County Water Company is a large system (10,001 to 100,000 people). Henry County has 13 active public water systems, and Henry County Water Company is the largest of them by population served. Its population served is about 6.3 times the county average of 1,797 people per system, and accounts for 49% of the 23,361 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 Henry County Water Company is about 70% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 60 Missouri systems (2%) list surface water as their primary source.
Who owns and regulates Henry County Water Company?
EPA lists Henry County 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. 3 of the 13 active systems in Henry County (23%) are also privately owned.
Does Henry County 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 1994. The violations listed here began between January 1989 and October 1994. By type: 12 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR), Trichloroethylene, Carbon tetrachloride and Ethylbenzene. EPA lists 12 as archived. 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 |
|---|---|---|---|---|
| 1994-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Archived |
| 1989-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
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.
Henry County Water Company: frequently asked questions
Who runs Henry County Water Company?
Henry County Water Company (PWSID MO1010177) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Henry County Water Company serve?
Henry County Water Company reports serving 11,373 people through 4,617 service connections in Henry County, Missouri.
Where does Henry County Water Company get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Henry County 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 1994. 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 Henry County 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 1994. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Henry County Water Company's water quality report?
As a community water system, Henry County 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 Henry County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Henry County Pwsd 3 | Henry | 2,993 | Community | Purchased surface water |
| Windsor Pws | Henry | 2,900 | Community | Groundwater |
| Harry S Truman Pwsd 2 | Henry + 1 more | 2,700 | Community | Surface water |
| Henry County Pwsd 4 | Henry | 1,140 | Community | Purchased surface water |
| Urich Pws | Henry | 505 | Community | Purchased surface water |
| Deepwater Pws | Henry | 433 | 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, “Henry County Water Company, PWSID MO1010177, Missouri”, https://aquacensus.com/water-systems/missouri/henry-county-water-company-mo1010177 (data as of October 1, 2026).