Chickasaw County, Iowa — public water systems
At a glance
21 active public water systems are filed under Chickasaw County, Iowa in EPA's SDWIS records, together reporting 7,872 people served. The largest is New Hampton Water Supply, which reports serving 3,494 people. 6 are community water systems serving people where they live; the other 15 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
21
Population served
7.9K
Community systems
6
Groundwater share
100%
How does Chickasaw County compare with other Iowa counties?
Chickasaw County has the 27th-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 7,872 people served in total, the 76th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 375 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 Chickasaw County's drinking water come from?
By primary water source, Chickasaw County's active systems draw on groundwater (21, 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, New Hampton Water Supply, draws primarily on groundwater.
What kinds of water systems operate in Chickasaw County?
Chickasaw County's active systems break down as 6 community systems (29%), 1 non-transient non-community systems (4.8%) and 14 transient non-community systems (67%). 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 (57%) and local government (43%).
Water systems in Chickasaw County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | New Hampton Water Supply | Chickasaw | 3,494 | Community | Groundwater |
| 2 | Nashua Water Supply | Chickasaw | 1,551 | Community | Groundwater |
| 3 | Fredericksburg Water Supply | Chickasaw | 987 | Community | Groundwater |
| 4 | Lawler Water Supply | Chickasaw | 406 | Community | Groundwater |
| 5 | Alta Vista Water Department | Chickasaw | 227 | Community | Groundwater |
| 6 | Ionia Water Supply | Chickasaw | 226 | Community | Groundwater |
| 7 | Little Brown Church | Chickasaw | 183 | Transient non-community | Groundwater |
| 8 | Airport Lake Park-Chickasaw Ccb | Chickasaw | 124 | Transient non-community | Groundwater |
| 9 | Five Star Cooperative | Chickasaw | 97 | Transient non-community | Groundwater |
| 10 | Twin Ponds West - Chickasaw Ccb | Chickasaw | 75 | Transient non-community | Groundwater |
| 11 | Nashua Town and Country Club | Chickasaw | 60 | Transient non-community | Groundwater |
| 12 | Homeland Energy Solution LLC | Chickasaw | 60 | Non-transient non-community | Groundwater |
| 13 | Bodensteiner Implement Inc. (Nh) | Chickasaw | 60 | Transient non-community | Groundwater |
| 14 | New Hampton Golf & Country Club | Chickasaw | 57 | Transient non-community | Groundwater |
| 15 | Split Rock Park | Chickasaw | 52 | Transient non-community | Groundwater |
| 16 | Bradford Guest House | Chickasaw | 50 | Transient non-community | Groundwater |
| 17 | Vern Laures Auto Center Inc. | Chickasaw | 48 | Transient non-community | Groundwater |
| 18 | River Ranch Camping Inc. | Chickasaw | 37 | Transient non-community | Groundwater |
| 19 | Jerico Jos | Chickasaw | 28 | Transient non-community | Groundwater |
| 20 | The Balk Tank | Chickasaw | 25 | Transient non-community | Groundwater |
| 21 | Plum Creek Golf Club | Chickasaw | 25 | Transient non-community | Groundwater |
Chickasaw County water systems: frequently asked questions
How many public water systems are in Chickasaw County, Iowa?
EPA's SDWIS records file 21 active public water systems under Chickasaw County, Iowa: 6 community systems (29%), 1 non-transient non-community systems (4.8%) and 14 transient non-community systems (67%).
Who supplies drinking water in Chickasaw County, IA?
The largest community water systems filed under Chickasaw County are New Hampton Water Supply (3,494 people served), Nashua Water Supply (1,551 people served) and Fredericksburg Water Supply (987 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 Chickasaw County's drinking water come from groundwater or surface water?
Of the 21 active public water systems in Chickasaw County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, New Hampton Water Supply, uses groundwater.
Where can I find a water quality report for Chickasaw 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. 6 community systems are filed under Chickasaw 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 Chickasaw 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 Chickasaw County, Iowa”, https://aquacensus.com/water-systems/iowa/chickasaw (data as of October 1, 2026).