Lyon County, Minnesota — public water systems
At a glance
16 active public water systems are filed under Lyon County, Minnesota in EPA's SDWIS records, together reporting 21,039 people served. The largest is Marshall, which reports serving 13,890 people. 12 are community water systems serving people where they live; the other 4 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
16
Population served
21K
Community systems
12
Groundwater share
100%
How does Lyon County compare with other Minnesota counties?
Lyon County has the 75th-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 21,039 people served in total, the 40th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 1,315 people, about 60% above 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 Lyon County's drinking water come from?
By primary water source, Lyon County's active systems draw on groundwater (8, 50%) and purchased groundwater (8, 50%). 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, Marshall, draws primarily on groundwater.
What kinds of water systems operate in Lyon County?
Lyon County's active systems break down as 12 community systems (75%) and 4 transient non-community systems (25%). 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 local government (81%), private (13%) and state government (6.3%).
Water systems in Lyon County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Marshall | Lyon | 13,890 | Community | Groundwater |
| 2 | Tracy | Lyon | 2,154 | Community | Groundwater |
| 3 | Minneota | Lyon | 1,380 | Community | Purchased groundwater |
| 4 | Cottonwood | Lyon | 1,212 | Community | Groundwater |
| 5 | Balaton | Lyon | 639 | Community | Groundwater |
| 6 | Lynd | Lyon | 448 | Community | Purchased groundwater |
| 7 | Ghent | Lyon | 370 | Community | Purchased groundwater |
| 8 | Russell | Lyon | 338 | Community | Purchased groundwater |
| 9 | Garvin | Lyon | 135 | Community | Purchased groundwater |
| 10 | Taunton | Lyon | 135 | Community | Purchased groundwater |
| 11 | Camden State Park | Lyon | 100 | Transient non-community | Groundwater |
| 12 | Fairview Township Water Association | Lyon | 89 | Community | Purchased groundwater |
| 13 | Kingdom Hall of Jehovah'S Witnesses | Lyon | 60 | Transient non-community | Groundwater |
| 14 | Florence | Lyon | 39 | Community | Purchased groundwater |
| 15 | Garvin Park | Lyon | 25 | Transient non-community | Groundwater |
| 16 | Lake Farm Properties Campground | Lyon | 25 | Transient non-community | Groundwater |
Lyon County water systems: frequently asked questions
How many public water systems are in Lyon County, Minnesota?
EPA's SDWIS records file 16 active public water systems under Lyon County, Minnesota: 12 community systems (75%) and 4 transient non-community systems (25%).
Who supplies drinking water in Lyon County, MN?
The largest community water systems filed under Lyon County are Marshall (13,890 people served), Tracy (2,154 people served) and Minneota (1,380 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 Lyon County's drinking water come from groundwater or surface water?
Of the 16 active public water systems in Lyon County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Marshall, uses groundwater.
Where can I find a water quality report for Lyon 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. 12 community systems are filed under Lyon 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 Lyon 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
- All Minnesota public water systems· 6,465 active
- Sibley County· 20 systems
- Mahnomen County· 18 systems
- Big Stone County· 17 systems
- Marshall County· 17 systems
- Nobles County· 15 systems
- Jackson County· 13 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Lyon County, Minnesota”, https://aquacensus.com/water-systems/minnesota/lyon (data as of October 1, 2026).