Public water system · IA6415046
ActiveClemons Water Supply
At a glance
Clemons Water Supply (PWSID IA6415046) is an active community water system in Marshall County, Iowa. It reports serving 140 people through 67 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
140
Service connections
67
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Clemons Water Supply compare with other water systems in Marshall County?
By EPA's size categories, Clemons Water Supply is a very small system (500 people or fewer). Marshall County has 12 active public water systems. Its population served is well below the county average of 2,802 people per system, and accounts for 0.4% of the 33,628 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 Clemons 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 Clemons Water Supply?
EPA lists Clemons 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. 10 of the 12 active systems in Marshall County (83%) are also owned by a local government.
Does Clemons Water Supply have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2025. The violations listed here began between July 1986 and December 2025. By type: 2 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule and Nitrate. EPA lists 1 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-12-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 1986-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Clemons Water Supply: frequently asked questions
Who runs Clemons Water Supply?
Clemons Water Supply (PWSID IA6415046) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Clemons Water Supply serve?
Clemons Water Supply reports serving 140 people through 67 service connections in Marshall County, Iowa.
Where does Clemons 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 Clemons Water Supply have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Clemons 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 records list 2 violations for this system; none is health-based, and the most recent began in December 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Clemons Water Supply's water quality report?
As a community water system, Clemons 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 Marshall County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Marshalltown Water Works | Marshall | 27,680 | Community | Groundwater |
| State Center Muni Water Dept | Marshall | 1,411 | Community | Groundwater |
| Le Grand Water Works | Marshall | 910 | Community | Purchased groundwater |
| Melbourne Water Supply | Marshall | 765 | Community | Purchased groundwater |
| Gilman Water Supply | Marshall | 582 | Community | Purchased groundwater |
| Sunset Village | Marshall | 528 | 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, “Clemons Water Supply, PWSID IA6415046, Iowa”, https://aquacensus.com/water-systems/iowa/clemons-water-supply-ia6415046 (data as of October 1, 2026).