Public water system · IA2122067
ActiveFostoria Municipal Water Supply
At a glance
Fostoria Municipal Water Supply (PWSID IA2122067) is an active community water system in Clay County, Iowa. It reports serving 233 people through 133 service connections. Its primary water source is purchased 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
233
Service connections
133
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Fostoria Municipal Water Supply compare with other water systems in Clay County?
By EPA's size categories, Fostoria Municipal Water Supply is a very small system (500 people or fewer). Clay County has 6 active public water systems, and Fostoria Municipal Water Supply is the 5th-largest of them by population served. Its population served is well below the county average of 3,227 people per system, and accounts for 1.2% of the 19,361 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 Fostoria Municipal 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 156 Iowa systems (8.5%) list purchased groundwater as their primary source.
Who owns and regulates Fostoria Municipal Water Supply?
EPA lists Fostoria Municipal 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. 5 of the 6 active systems in Clay County (83%) are also owned by a local government.
Does Fostoria Municipal 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 Fostoria Municipal Water Supply. For the latest compliance status, check EPA ECHO for current compliance history.
Fostoria Municipal Water Supply: frequently asked questions
Who runs Fostoria Municipal Water Supply?
Fostoria Municipal Water Supply (PWSID IA2122067) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Fostoria Municipal Water Supply serve?
Fostoria Municipal Water Supply reports serving 233 people through 133 service connections in Clay County, Iowa.
Where does Fostoria Municipal Water Supply get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Fostoria Municipal Water Supply have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Fostoria Municipal 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 Fostoria Municipal Water Supply's water quality report?
As a community water system, Fostoria Municipal 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 Clay County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Spencer Municipal Water Utility | Clay | 11,325 | Community | Groundwater |
| Iowa Lakes Regional Water | Clay + 1 more | 6,755 | Community | Groundwater |
| Everly Water Supply | Clay | 575 | Community | Groundwater |
| Peterson Municipal Water Supply | Clay | 322 | Community | Groundwater |
| Dickens Water Works | Clay | 151 | Community | Purchased 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, “Fostoria Municipal Water Supply, PWSID IA2122067, Iowa”, https://aquacensus.com/water-systems/iowa/fostoria-municipal-water-supply-ia2122067 (data as of October 1, 2026).