Public water system · MN1690007
ActiveChisholm
At a glance
Chisholm (PWSID MN1690007) is an active community water system in St. Louis County, Minnesota. It reports serving 4,940 people through 1,858 service connections. Its primary water source is surface water, 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
4,940
Service connections
1,858
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Chisholm compare with other water systems in St. Louis County?
By EPA's size categories, Chisholm is a medium system (3,301 to 10,000 people). St. Louis County has 356 active public water systems, and Chisholm is the 5th-largest of them by population served. Its population served is about 9.8 times the county average of 505 people per system, and accounts for 2.7% of the 179,795 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active community water system reports serving 6,703 people, so Chisholm is about 26% 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. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Minnesota systems (0.9%) list surface water as their primary source.
Who owns and regulates Chisholm?
EPA lists Chisholm as owned by a local government. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 38 of the 356 active systems in St. Louis County (11%) are also owned by a local government.
Does Chisholm 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 Chisholm. For the latest compliance status, check EPA ECHO for current compliance history.
Chisholm: frequently asked questions
Who runs Chisholm?
Chisholm (PWSID MN1690007) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Chisholm serve?
Chisholm reports serving 4,940 people through 1,858 service connections in St. Louis County, Minnesota.
Where does Chisholm 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 Chisholm have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Chisholm'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 MN state drinking water program.
Where can I find Chisholm's water quality report?
As a community water system, Chisholm 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 St. Louis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Duluth | St. Louis | 86,859 | Community | Surface water |
| Hibbing | St. Louis | 16,028 | Community | Groundwater |
| Virginia | St. Louis | 8,361 | Community | Surface water |
| Hermantown | St. Louis | 7,215 | Community | Purchased surface water |
| Eveleth | St. Louis | 3,770 | Community | Surface water |
| Ely | St. Louis | 3,258 | 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, “Chisholm, PWSID MN1690007, Minnesota”, https://aquacensus.com/water-systems/minnesota/chisholm-mn1690007 (data as of October 1, 2026).