Public water system · IA9686077
ActiveSpillville Water Supply
At a glance
Spillville Water Supply (PWSID IA9686077) is an active community water system in Winneshiek County, Iowa. It reports serving 371 people through 183 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
371
Service connections
183
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Spillville Water Supply compare with other water systems in Winneshiek County?
By EPA's size categories, Spillville Water Supply is a very small system (500 people or fewer). Winneshiek County has 43 active public water systems. Its population served is roughly in line with the county average of 343 people per system, and accounts for 2.5% of the 14,733 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Spillville Water Supply is well below that figure.
What does “community water system” mean?
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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Spillville Water Supply?
EPA lists Spillville Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 13 of the 43 active systems in Winneshiek County (30%) are also owned by a local government.
Does Spillville Water Supply have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Spillville Water Supply. For the latest compliance status, check EPA ECHO for current compliance history.
Spillville Water Supply: frequently asked questions
Who runs Spillville Water Supply?
Spillville Water Supply (PWSID IA9686077) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Spillville Water Supply serve?
Spillville Water Supply reports serving 371 people through 183 service connections in Winneshiek County, Iowa.
Where does Spillville Water Supply get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Spillville Water Supply have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Spillville Water Supply's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Spillville Water Supply's water quality report?
As a community water system, Spillville Water Supply must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Winneshiek County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Decorah Water Department | Winneshiek | 7,615 | Community | Groundwater |
| Calmar Water Supply | Winneshiek | 1,125 | Community | Groundwater |
| Ossian Water Supply | Winneshiek | 802 | Community | Groundwater |
| Freeport Water District | Winneshiek | 775 | Community | Groundwater |
| The Country Express | Winneshiek | 515 | Transient non-community | Groundwater |
| Turkey Valley Community School | Winneshiek | 490 | Non-transient non-community | Groundwater |
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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, “Spillville Water Supply, PWSID IA9686077, Iowa”, https://aquacensus.com/water-systems/iowa/spillville-water-supply-ia9686077 (data as of October 1, 2026).