Public water system · IA1228038
ActiveClarksville Water Supply
At a glance
Clarksville Water Supply (PWSID IA1228038) is an active community water system in Butler County, Iowa. It reports serving 1,254 people through 613 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,254
Service connections
613
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Clarksville Water Supply compare with other water systems in Butler County?
By EPA's size categories, Clarksville Water Supply is a small system (501 to 3,300 people). Butler County has 16 active public water systems, and Clarksville Water Supply is the 3rd-largest of them by population served. Its population served is about twice the county average of 586 people per system, and accounts for 13% of the 9,368 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 Clarksville 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 Clarksville Water Supply?
EPA lists Clarksville 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. 9 of the 16 active systems in Butler County (56%) are also owned by a local government.
Does Clarksville Water Supply have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2021. The violations listed here began between December 1978 and December 2021. By type: 5 monitoring and reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 6 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-12-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1992-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1978-12-05 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Archived |
All 7 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.
Clarksville Water Supply: frequently asked questions
Who runs Clarksville Water Supply?
Clarksville Water Supply (PWSID IA1228038) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Clarksville Water Supply serve?
Clarksville Water Supply reports serving 1,254 people through 613 service connections in Butler County, Iowa.
Where does Clarksville 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 Clarksville Water Supply have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2021. 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 Clarksville 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 7 violations for this system; 1 is health-based, and the most recent began in December 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Clarksville Water Supply's water quality report?
As a community water system, Clarksville 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 Butler County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Parkersburg Water Supply | Butler | 2,019 | Community | Groundwater |
| Shell Rock Muni Water Supp | Butler | 1,269 | Community | Groundwater |
| Aplington Water Supply | Butler | 1,126 | Community | Groundwater |
| Greene Muni Water Supply | Butler | 994 | Community | Groundwater |
| Allison Water Supply | Butler | 966 | Community | Groundwater |
| Dumont Water Supply | Butler | 635 | 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, “Clarksville Water Supply, PWSID IA1228038, Iowa”, https://aquacensus.com/water-systems/iowa/clarksville-water-supply-ia1228038 (data as of October 1, 2026).