York County, Michigan — public water systems
At a glance
3 active public water systems are filed under York County, Michigan in EPA's SDWIS records, together reporting 969 people served. The largest is Central Ng Williamsburg, which reports serving 609 people.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
3
Population served
969
Community systems
—
Groundwater share
100%
How does York County compare with other Michigan counties?
York County has the 88th-most active public water systems among the 131 counties listed for active Michigan systems in EPA records; among the 88 with 3 or more systems, the median has 92. Its systems report 969 people served in total, the 95th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 323 people, about 62% below the Michigan average of 847. 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 York County's drinking water come from?
By primary water source, York 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 97% and 3.1% across Michigan. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Central Ng Williamsburg, draws primarily on groundwater.
What kinds of water systems operate in York County?
York 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 York County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Central Ng Williamsburg | York | 609 | Transient non-community | Groundwater |
| 2 | Williamsburg Ng | York | 315 | Transient non-community | Groundwater |
| 3 | High Ground Ng | York | 45 | Transient non-community | Groundwater |
York County water systems: frequently asked questions
How many public water systems are in York County, Michigan?
EPA's SDWIS records file 3 active public water systems under York County, Michigan: 3 transient non-community systems (100%).
Does York County's drinking water come from groundwater or surface water?
Of the 3 active public water systems in York County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Central Ng Williamsburg, uses groundwater.
Where can I find a water quality report for York 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 York 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 Michigan 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 York County, Michigan”, https://aquacensus.com/water-systems/michigan/york (data as of October 1, 2026).