Public water system · MI0004800
ActiveUpper Michigan Water Company
At a glance
Upper Michigan Water Company (PWSID MI0004800) is an active community water system in Houghton County, Michigan. It reports serving 5,535 people through 3,599 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,535
Service connections
3,599
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Upper Michigan Water Company compare with other water systems in Houghton County?
By EPA's size categories, Upper Michigan Water Company is a medium system (3,301 to 10,000 people). Houghton County has 46 active public water systems, and Upper Michigan Water Company is the 2nd-largest of them by population served. Its population served is about 7.6 times the county average of 733 people per system, and accounts for 16% of the 33,702 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Upper Michigan Water Company is about 17% 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. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Upper Michigan Water Company?
EPA lists Upper Michigan Water Company as privately owned. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 27 of the 46 active systems in Houghton County (59%) are also privately owned.
Does Upper Michigan Water Company 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 Upper Michigan Water Company. For the latest compliance status, check EPA ECHO for current compliance history.
Upper Michigan Water Company: frequently asked questions
Who runs Upper Michigan Water Company?
Upper Michigan Water Company (PWSID MI0004800) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Upper Michigan Water Company serve?
Upper Michigan Water Company reports serving 5,535 people through 3,599 service connections in Houghton County, Michigan.
Where does Upper Michigan 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 Upper Michigan Water Company have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Upper Michigan 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. 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 MI state drinking water program.
Where can I find Upper Michigan Water Company's water quality report?
As a community water system, Upper Michigan 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 Houghton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Houghton | Houghton | 8,386 | Community | Groundwater |
| Hancock | Houghton | 4,500 | Community | Purchased groundwater |
| Adams Township | Houghton | 2,010 | Community | Groundwater |
| Laurium | Houghton | 1,947 | Community | Purchased groundwater |
| Osceola Township | Houghton | 1,391 | Community | Groundwater |
| Portage Township | Houghton | 1,214 | Community | Purchased 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, “Upper Michigan Water Company, PWSID MI0004800, Michigan”, https://aquacensus.com/water-systems/michigan/upper-michigan-water-company-mi0004800 (data as of October 1, 2026).