Franklin County, Iowa — public water systems
At a glance
20 active public water systems are filed under Franklin County, Iowa in EPA's SDWIS records, together reporting 10,347 people served. The largest is Hampton Muni Water Works, which reports serving 4,337 people. 9 are community water systems serving people where they live; the other 11 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
20
Population served
10.3K
Community systems
9
Groundwater share
100%
How does Franklin County compare with other Iowa counties?
Franklin County has the 31st-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 10,347 people served in total, the 63rd-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 517 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 Franklin County's drinking water come from?
By primary water source, Franklin County's active systems draw on groundwater (20, 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, Hampton Muni Water Works, draws primarily on groundwater.
What kinds of water systems operate in Franklin County?
Franklin County's active systems break down as 9 community systems (45%), 3 non-transient non-community systems (15%) and 8 transient non-community systems (40%). 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 (50%), local government (40%) and state government (10%).
Water systems in Franklin County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Hampton Muni Water Works | Franklin | 4,337 | Community | Groundwater |
| 2 | Irua (Dows) | Franklin | 2,042 | Non-transient non-community | Groundwater |
| 3 | Sheffield Water Supply | Franklin | 1,130 | Community | Groundwater |
| 4 | Dudleys Corner | Franklin | 912 | Transient non-community | Groundwater |
| 5 | Latimer Water Supply | Franklin | 477 | Community | Groundwater |
| 6 | Zion Reformed Church | Franklin | 225 | Transient non-community | Groundwater |
| 7 | Coulter Water Supply | Franklin | 219 | Community | Groundwater |
| 8 | Alexander Water Dept | Franklin | 164 | Community | Groundwater |
| 9 | Geneva Water Works | Franklin | 136 | Community | Groundwater |
| 10 | Beeds Lake State Park South | Franklin | 102 | Transient non-community | Groundwater |
| 11 | Maynes Grove - Franklin Co Conservation | Franklin | 100 | Transient non-community | Groundwater |
| 12 | Hampton Country Club | Franklin | 82 | Transient non-community | Groundwater |
| 13 | Hansell Water Department | Franklin | 82 | Community | Groundwater |
| 14 | Beeds Lake Home Owners Association | Franklin | 75 | Community | Groundwater |
| 15 | Gold Key Motel | Franklin | 58 | Transient non-community | Groundwater |
| 16 | Church of Jesus Christ of LDS (Hampton) | Franklin | 50 | Transient non-community | Groundwater |
| 17 | Jj'S Bar and Grill | Franklin | 46 | Transient non-community | Groundwater |
| 18 | Lemar Industries | Franklin | 45 | Non-transient non-community | Groundwater |
| 19 | New Cooperative Rowan Mill | Franklin | 33 | Non-transient non-community | Groundwater |
| 20 | Dorell Drive Home Owners Association | Franklin | 32 | Community | Groundwater |
Franklin County water systems: frequently asked questions
How many public water systems are in Franklin County, Iowa?
EPA's SDWIS records file 20 active public water systems under Franklin County, Iowa: 9 community systems (45%), 3 non-transient non-community systems (15%) and 8 transient non-community systems (40%).
Who supplies drinking water in Franklin County, IA?
The largest community water systems filed under Franklin County are Hampton Muni Water Works (4,337 people served), Sheffield Water Supply (1,130 people served) and Latimer Water Supply (477 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 Franklin County's drinking water come from groundwater or surface water?
Of the 20 active public water systems in Franklin County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Hampton Muni Water Works, uses groundwater.
Where can I find a water quality report for Franklin 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. 9 community systems are filed under Franklin 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 Franklin 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
- All Iowa public water systems· 1,828 active
- Chickasaw County· 21 systems
- Howard County· 21 systems
- Story County· 20 systems
- Buchanan County· 20 systems
- Harrison County· 20 systems
- Winnebago County· 19 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Franklin County, Iowa”, https://aquacensus.com/water-systems/iowa/franklin (data as of October 1, 2026).