Dakota County, Minnesota — public water systems

How does Dakota County compare with other Minnesota counties?

Dakota County has the 14th-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 391,319 people served in total, the 3rd-largest county figure in the state and 7.4% of the statewide total. The average system here reports serving 2,920 people, about 3.6 times 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 Dakota County's drinking water come from?

By primary water source, Dakota County's active systems draw on groundwater (133, 99%) and surface water (1, 0.7%). Overall, 99% rely mainly on groundwater (including purchased groundwater) and 0.7% 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, Eagan, draws primarily on groundwater.

What kinds of water systems operate in Dakota County?

Dakota County's active systems break down as 20 community systems (15%), 18 non-transient non-community systems (13%) and 96 transient non-community systems (72%). 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 non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. 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 (75%), local government (25%) and federal government (0.7%).