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Norman County, Minnesota — public water systems

At a glance

21 active public water systems are filed under Norman County, Minnesota in EPA's SDWIS records, together reporting 4,628 people served. The largest is Ada, which reports serving 1,725 people. 9 are community water systems serving people where they live; the other 12 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

21

Population served

4.6K

Community systems

9

Groundwater share

100%

How does Norman County compare with other Minnesota counties?

Norman County has the 68th-most active public water systems among the 94 counties listed for active Minnesota systems in EPA records; among the 87 with 3 or more systems, the median has 49. Its systems report 4,628 people served in total, the 80th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 220 people, well below the Minnesota average of 820. 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 Norman County's drinking water come from?

By primary water source, Norman County's active systems draw on groundwater (21, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 98% and 1.5% across Minnesota. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Ada, draws primarily on groundwater.

What kinds of water systems operate in Norman County?

Norman County's active systems break down as 9 community systems (43%) and 12 transient non-community systems (57%). 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 private (57%) and local government (43%).

Water systems in Norman County

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Active public water systems in Norman County, Minnesota
#Water systemCountyPopulation servedTypeSource
1AdaNorman1,725CommunityGroundwater
2Twin ValleyNorman707CommunityGroundwater
3HalstadNorman548CommunityGroundwater
4HendrumNorman285CommunityGroundwater
5GaryNorman226CommunityGroundwater
6ShellyNorman174CommunityGroundwater
7Ness Lutheran ChurchNorman120Transient non-communityGroundwater
8Augustana Lutheran ChurchNorman120Transient non-communityGroundwater
9PerleyNorman113CommunityGroundwater
10St. John'S Lutheran ChurchNorman100Transient non-communityGroundwater
11Sundal Lutheran ChurchNorman100Transient non-communityGroundwater
12BorupNorman99CommunityGroundwater
13Jevnaker Lutheran ChurchNorman90Transient non-communityGroundwater
14Heart of the Valley Golf CourseNorman35Transient non-communityGroundwater
15Wild Rice Lutheran ChurchNorman32Transient non-communityGroundwater
16Aspelund Lutheran ChurchNorman28Transient non-communityGroundwater
17Flom TownshipNorman26CommunityGroundwater
18Titan Machinery (Ada)Norman25Transient non-communityGroundwater
19Ziegler, Inc..Norman25Transient non-communityGroundwater
20Hendrum Community ParkNorman25Transient non-communityGroundwater
21Faaberg Lutheran ChurchNorman25Transient non-communityGroundwater

Norman County water systems: frequently asked questions

How many public water systems are in Norman County, Minnesota?

EPA's SDWIS records file 21 active public water systems under Norman County, Minnesota: 9 community systems (43%) and 12 transient non-community systems (57%).

Who supplies drinking water in Norman County, MN?

The largest community water systems filed under Norman County are Ada (1,725 people served), Twin Valley (707 people served) and Halstad (548 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 Norman County's drinking water come from groundwater or surface water?

Of the 21 active public water systems in Norman County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Ada, uses groundwater.

Where can I find a water quality report for Norman 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. 9 community systems are filed under Norman 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 Norman 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 Minnesota water systems

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 Norman County, Minnesota”, https://aquacensus.com/water-systems/minnesota/norman (data as of October 1, 2026).