Public water system · MI0003810
ActiveLaurium
At a glance
Laurium (PWSID MI0003810) is an active community water system in Houghton County, Michigan. It reports serving 1,947 people through 899 service connections. Its primary water source is purchased 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
1,947
Service connections
899
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Laurium compare with other water systems in Houghton County?
By EPA's size categories, Laurium is a small system (501 to 3,300 people). Houghton County has 46 active public water systems, and Laurium is the 5th-largest of them by population served. Its population served is about 166% above the county average of 733 people per system, and accounts for 5.8% 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 Laurium 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. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 42 Michigan systems (0.4%) list purchased groundwater as their primary source.
Who owns and regulates Laurium?
EPA lists Laurium as owned by a local government. 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. 15 of the 46 active systems in Houghton County (33%) are also owned by a local government.
Does Laurium 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 Laurium. For the latest compliance status, check EPA ECHO for current compliance history.
Laurium: frequently asked questions
Who runs Laurium?
Laurium (PWSID MI0003810) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Laurium serve?
Laurium reports serving 1,947 people through 899 service connections in Houghton County, Michigan.
Where does Laurium get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Laurium have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Laurium'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 Laurium's water quality report?
As a community water system, Laurium 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 |
| Upper Michigan Water Company | Houghton | 5,535 | Community | Groundwater |
| Hancock | Houghton | 4,500 | Community | Purchased groundwater |
| Adams Township | Houghton | 2,010 | Community | 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, “Laurium, PWSID MI0003810, Michigan”, https://aquacensus.com/water-systems/michigan/laurium-mi0003810 (data as of October 1, 2026).