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Allegan County, New York — public water systems

At a glance

3 active public water systems are filed under Allegan County, New York in EPA's SDWIS records, together reporting 700 people served. The largest is Dollar General #18891 - Plainwell, which reports serving 300 people.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

3

Population served

700

Community systems

—

Groundwater share

100%

How does Allegan County compare with other New York counties?

Allegan County has the 61st-most active public water systems among the 100 counties listed for active New York systems in EPA records; among the 64 with 3 or more systems, the median has 94. Its systems report 700 people served in total, the 65th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 233 people, well below the New York average of 2,374. 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 Allegan County's drinking water come from?

By primary water source, Allegan County's active systems draw on groundwater (3, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 91% and 8.5% across New York. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Dollar General #18891 - Plainwell, draws primarily on groundwater.

What kinds of water systems operate in Allegan County?

Allegan County's active systems break down as 3 transient non-community systems (100%). 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 (100%).

Water systems in Allegan County

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Active public water systems in Allegan County, New York
#Water systemCountyPopulation servedTypeSource
1Dollar General #18891 - PlainwellAllegan300Transient non-communityGroundwater
2Dollar General #18766 - AlleganAllegan300Transient non-communityGroundwater
3Getaway Chicago OutpostAllegan100Transient non-communityGroundwater

Allegan County water systems: frequently asked questions

How many public water systems are in Allegan County, New York?

EPA's SDWIS records file 3 active public water systems under Allegan County, New York: 3 transient non-community systems (100%).

Does Allegan County's drinking water come from groundwater or surface water?

Of the 3 active public water systems in Allegan County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Dollar General #18891 - Plainwell, uses groundwater.

Where can I find a water quality report for Allegan 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.

How can I check violations for a water system in Allegan 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 New York 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 Allegan County, New York”, https://aquacensus.com/water-systems/new-york/allegan (data as of October 1, 2026).