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Jo Daviess County, Iowa — public water systems

At a glance

3 active public water systems are filed under Jo Daviess County, Iowa in EPA's SDWIS records, together reporting 450 people served. The largest is The Hilltop at Menominee, which reports serving 300 people.

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

Active systems

3

Population served

450

Community systems

—

Groundwater share

100%

How does Jo Daviess County compare with other Iowa counties?

Jo Daviess County has the 95th-most active public water systems among the 114 counties listed for active Iowa systems in EPA records; among the 96 with 3 or more systems, the median has 14. Its systems report 450 people served in total, the 100th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 150 people, well below the Iowa average of 1,718. 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 Jo Daviess County's drinking water come from?

By primary water source, Jo Daviess 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 92% and 7.8% across Iowa. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, The Hilltop at Menominee, draws primarily on groundwater.

What kinds of water systems operate in Jo Daviess County?

Jo Daviess 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 federal government (67%) and private (33%).

Water systems in Jo Daviess County

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Active public water systems in Jo Daviess County, Iowa
#Water systemCountyPopulation servedTypeSource
1The Hilltop at MenomineeJo Daviess300Transient non-communityGroundwater
2Blanding Landing - Campground WellJo Daviess75Transient non-communityGroundwater
3Blanding Landing - Comfort StationJo Daviess75Transient non-communityGroundwater

Jo Daviess County water systems: frequently asked questions

How many public water systems are in Jo Daviess County, Iowa?

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

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

Of the 3 active public water systems in Jo Daviess County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, The Hilltop at Menominee, uses groundwater.

Where can I find a water quality report for Jo Daviess 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 Jo Daviess 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 Iowa 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 Jo Daviess County, Iowa”, https://aquacensus.com/water-systems/iowa/jo-daviess (data as of October 1, 2026).