Public water system · MO1071079
ActiveTri County Water Authority
At a glance
Tri County Water Authority (PWSID MO1071079) is an active community water system serving Bates, Cass and Jackson counties, Missouri. It reports serving 25 people through 31 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
31
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Tri County Water Authority compare with other water systems in Missouri?
By EPA's size categories, Tri County Water Authority is a very small system (500 people or fewer). 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 Tri County Water Authority 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 Tri County Water Authority?
EPA lists Tri County Water Authority 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.
Does Tri County Water Authority have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Tri County Water Authority. For the latest compliance status, check EPA ECHO for current compliance history.
Tri County Water Authority: frequently asked questions
Who runs Tri County Water Authority?
Tri County Water Authority (PWSID MO1071079) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Tri County Water Authority serve?
Tri County Water Authority reports serving 25 people through 31 service connections in Bates, Cass and Jackson counties, Missouri.
Where does Tri County Water Authority 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 Tri County Water Authority have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Tri County Water Authority'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. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Tri County Water Authority's water quality report?
As a community water system, Tri County Water Authority 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 Bates County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Butler Pws | Bates | 4,219 | Community | Surface water |
| Bates County Pwsd 5 | Bates | 2,690 | Community | Purchased surface water |
| Bates County Pwsd 4 | Bates + 1 more | 2,348 | Community | Purchased surface water |
| Adrian Pws | Bates | 1,635 | Community | Surface water |
| Bates County Pwsd 6 | Bates | 1,613 | Community | Purchased surface water |
| Rich Hill Pws | Bates | 1,400 | Community | 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, “Tri County Water Authority, PWSID MO1071079, Missouri”, https://aquacensus.com/water-systems/missouri/tri-county-water-authority-mo1071079 (data as of October 1, 2026).