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Allamakee County, Iowa — public water systems

At a glance

34 active public water systems are filed under Allamakee County, Iowa in EPA's SDWIS records, together reporting 10,414 people served. The largest is Waukon Water Department, which reports serving 3,827 people. 4 are community water systems serving people where they live; the other 30 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

34

Population served

10.4K

Community systems

4

Groundwater share

100%

How does Allamakee County compare with other Iowa counties?

Allamakee County has the 10th-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 10,414 people served in total, the 62nd-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 306 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 Allamakee County's drinking water come from?

By primary water source, Allamakee County's active systems draw on groundwater (34, 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, Waukon Water Department, draws primarily on groundwater.

What kinds of water systems operate in Allamakee County?

Allamakee County's active systems break down as 4 community systems (12%), 3 non-transient non-community systems (8.8%) and 27 transient non-community systems (79%). 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 (82%), local government (15%) and state government (2.9%).

Water systems in Allamakee County

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Active public water systems in Allamakee County, Iowa
#Water systemCountyPopulation servedTypeSource
1Waukon Water DepartmentAllamakee3,827CommunityGroundwater
2Postville Water DepartmentAllamakee2,513CommunityGroundwater
3Lansing Water SupplyAllamakee983CommunityGroundwater
4Agri Star Meat and Poultry LLCAllamakee550Non-transient non-communityGroundwater
5New Albin Water SupplyAllamakee432CommunityGroundwater
6Harpers Ferry City ComplexAllamakee262Transient non-communityGroundwater
7Scenic View CampgroundAllamakee240Transient non-communityGroundwater
8Village Creek Bible CampAllamakee166Transient non-communityGroundwater
9Upper Iowa Resort & RentalAllamakee135Transient non-communityGroundwater
10Old East Paint Creek Lutheran ChurchAllamakee120Transient non-communityGroundwater
11Yellow River State ForestAllamakee80Transient non-communityGroundwater
12Broken Paddle Lodge & Rv Park LLCAllamakee75Transient non-communityGroundwater
13Red Barn Resort and Campground LLCAllamakee71Transient non-communityGroundwater
14Tasc Inc..Allamakee70Non-transient non-communityGroundwater
15Lunds Camp Inc.Allamakee67Transient non-communityGroundwater
16Wexford Valley CampgroundAllamakee66Transient non-communityGroundwater
17Ripley CourtAllamakee60Transient non-communityGroundwater
18Sandy Point CondominiumsAllamakee60Transient non-communityGroundwater
19The Old Rossville StoreAllamakee55Transient non-communityGroundwater
20Portside One StopAllamakee50Transient non-communityGroundwater
21SpillwayAllamakee50Transient non-communityGroundwater
22Kingdom Hall (Waukon)Allamakee50Transient non-communityGroundwater
23Allamakee Co Public Safety CenterAllamakee49Transient non-communityGroundwater
24Hartman Riverside Camp #1Allamakee46Transient non-communityGroundwater
25Sportsmens Club (Rossville)Allamakee45Transient non-communityGroundwater
26Kol Gol Inc.Allamakee42Non-transient non-communityGroundwater
27Balsam Valley CampgroundAllamakee40Transient non-communityGroundwater
28River Run Pub & GrubAllamakee40Transient non-communityGroundwater
29Minneiska # 1 NorthAllamakee37Transient non-communityGroundwater
30Joes CampgroundAllamakee31Transient non-communityGroundwater
31Barrys Mini MartAllamakee27Transient non-communityGroundwater
32Waterville BarAllamakee25Transient non-communityGroundwater
33Knotty Marie'SAllamakee25Transient non-communityGroundwater
34Oldtimers # 3 SouthAllamakee25Transient non-communityGroundwater

Allamakee County water systems: frequently asked questions

How many public water systems are in Allamakee County, Iowa?

EPA's SDWIS records file 34 active public water systems under Allamakee County, Iowa: 4 community systems (12%), 3 non-transient non-community systems (8.8%) and 27 transient non-community systems (79%).

Who supplies drinking water in Allamakee County, IA?

The largest community water systems filed under Allamakee County are Waukon Water Department (3,827 people served), Postville Water Department (2,513 people served) and Lansing Water Supply (983 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 Allamakee County's drinking water come from groundwater or surface water?

Of the 34 active public water systems in Allamakee County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Waukon Water Department, uses groundwater.

Where can I find a water quality report for Allamakee 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. 4 community systems are filed under Allamakee 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 Allamakee 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 Allamakee County, Iowa”, https://aquacensus.com/water-systems/iowa/allamakee (data as of October 1, 2026).