Henry County, Missouri — public water systems
At a glance
13 active public water systems are filed under Henry County, Missouri in EPA's SDWIS records, together reporting 23,361 people served. The largest is Henry County Water Company, which reports serving 11,373 people. 12 are community water systems serving people where they live; the other 1 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
13
Population served
23.4K
Community systems
12
Groundwater share
23.1%
How does Henry County compare with other Missouri counties?
Henry County has the 63rd-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 23,361 people served in total, the 40th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 1,797 people, about 12% below the Missouri average of 2,049. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Henry County's drinking water come from?
By primary water source, Henry County's active systems draw on purchased surface water (8, 62%), groundwater (3, 23%) and surface water (2, 15%). Overall, 23% rely mainly on groundwater (including purchased groundwater) and 77% on surface water, compared with 92% and 8.1% across Missouri. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Henry County Water Company, draws primarily on surface water.
What kinds of water systems operate in Henry County?
Henry County's active systems break down as 12 community systems (92%) and 1 transient non-community systems (7.7%). 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. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as local government (77%) and private (23%).
Water systems in Henry County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Henry County Water Company | Henry | 11,373 | Community | Surface water |
| 2 | Henry County Pwsd 3 | Henry | 2,993 | Community | Purchased surface water |
| 3 | Windsor Pws | Henry | 2,900 | Community | Groundwater |
| 4 | Harry S Truman Pwsd 2 | Henry + 1 more | 2,700 | Community | Surface water |
| 5 | Henry County Pwsd 4 | Henry | 1,140 | Community | Purchased surface water |
| 6 | Urich Pws | Henry | 505 | Community | Purchased surface water |
| 7 | Deepwater Pws | Henry | 433 | Community | Purchased surface water |
| 8 | Montrose Pws | Henry | 384 | Community | Purchased surface water |
| 9 | Calhoun Pws | Henry | 324 | Community | Purchased surface water |
| 10 | Henry County Pwsd 1 | Henry | 258 | Community | Purchased surface water |
| 11 | Hickory Hollow Resort | Henry | 200 | Transient non-community | Groundwater |
| 12 | Blairstown Pws | Henry | 123 | Community | Purchased surface water |
| 13 | Oakwood Water Assn | Henry | 28 | Community | Groundwater |
Henry County water systems: frequently asked questions
How many public water systems are in Henry County, Missouri?
EPA's SDWIS records file 13 active public water systems under Henry County, Missouri: 12 community systems (92%) and 1 transient non-community systems (7.7%).
Who supplies drinking water in Henry County, MO?
The largest community water systems filed under Henry County are Henry County Water Company (11,373 people served), Henry County Pwsd 3 (2,993 people served) and Windsor Pws (2,900 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Henry County's drinking water come from groundwater or surface water?
Of the 13 active public water systems in Henry County, 23% draw mainly on groundwater and 77% on surface water, counting purchased supplies. The largest system, Henry County Water Company, uses surface water.
Where can I find a water quality report for Henry County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 12 community systems are filed under Henry County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Henry County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Missouri water systems
- All Missouri public water systems· 2,943 active
- Bollinger County· 14 systems
- Howell County· 14 systems
- St. Clair County· 14 systems
- Laclede County· 14 systems
- Osage County· 13 systems
- Boone County· 13 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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, “Public water systems in Henry County, Missouri”, https://aquacensus.com/water-systems/missouri/henry (data as of October 1, 2026).