Public water system · IA2277020
ActiveSaint Olaf Water Supply
At a glance
Saint Olaf Water Supply (PWSID IA2277020) is an active community water system in Clayton County, Iowa. It reports serving 106 people through 60 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
106
Service connections
60
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Saint Olaf Water Supply compare with other water systems in Clayton County?
By EPA's size categories, Saint Olaf Water Supply is a very small system (500 people or fewer). Clayton County has 45 active public water systems. Its population served is about 64% below the county average of 298 people per system, and accounts for 0.8% of the 13,403 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 Saint Olaf 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 Saint Olaf Water Supply?
EPA lists Saint Olaf 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. 14 of the 45 active systems in Clayton County (31%) are also owned by a local government.
Does Saint Olaf 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 Saint Olaf Water Supply. For the latest compliance status, check EPA ECHO for current compliance history.
Saint Olaf Water Supply: frequently asked questions
Who runs Saint Olaf Water Supply?
Saint Olaf Water Supply (PWSID IA2277020) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Saint Olaf Water Supply serve?
Saint Olaf Water Supply reports serving 106 people through 60 service connections in Clayton County, Iowa.
Where does Saint Olaf 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 Saint Olaf Water Supply have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Saint Olaf 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 Saint Olaf Water Supply's water quality report?
As a community water system, Saint Olaf 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 Clayton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Guttenberg Water Utility | Clayton | 1,817 | Community | Groundwater |
| Monona Municipal Water Dept | Clayton | 1,471 | Community | Groundwater |
| Elkader Muni Water Dept | Clayton | 1,219 | Community | Groundwater |
| Strawberry Point Water Supply | Clayton | 1,155 | Community | Groundwater |
| Edgewood Water Supply | Clayton | 939 | Community | Groundwater |
| Garnavillo Water Supply | Clayton | 763 | 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, “Saint Olaf Water Supply, PWSID IA2277020, Iowa”, https://aquacensus.com/water-systems/iowa/saint-olaf-water-supply-ia2277020 (data as of October 1, 2026).