Public water system · IA1880073
ActiveWashta Water Supply
At a glance
Washta Water Supply (PWSID IA1880073) is an active community water system in Cherokee County, Iowa. It reports serving 209 people through 120 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in June 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
209
Service connections
120
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Washta Water Supply compare with other water systems in Cherokee County?
By EPA's size categories, Washta Water Supply is a very small system (500 people or fewer). Cherokee County has 12 active public water systems. Its population served is well below the county average of 1,096 people per system, and accounts for 1.6% of the 13,149 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 Washta 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 Washta Water Supply?
EPA lists Washta 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. 8 of the 12 active systems in Cherokee County (67%) are also owned by a local government.
Does Washta Water Supply have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in June 2004. The violations listed here began between May 1979 and June 2004. By type: 2 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as resolved and 2 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 |
|---|---|---|---|---|
| 2004-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1981-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Archived |
| 1979-05-09 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Archived |
All 4 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.
Washta Water Supply: frequently asked questions
Who runs Washta Water Supply?
Washta Water Supply (PWSID IA1880073) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Washta Water Supply serve?
Washta Water Supply reports serving 209 people through 120 service connections in Cherokee County, Iowa.
Where does Washta 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 Washta Water Supply have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in June 2004. 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 Washta 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 4 violations for this system; 2 are health-based, and the most recent began in June 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Washta Water Supply's water quality report?
As a community water system, Washta 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 Cherokee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cherokee Water Supply - Plant 1 | Cherokee | 5,199 | Community | Groundwater |
| Cherokee Rws - Cherokee Subsystem | Cherokee | 3,315 | Community | Groundwater |
| Cherokee Rws- Mill Creek Subsystem | Cherokee | 1,451 | Community | Groundwater |
| Marcus Water Supply | Cherokee | 1,079 | Community | Groundwater |
| Aurelia Water Supply | Cherokee | 968 | Community | Groundwater |
| Quimby Water Supply | Cherokee | 249 | 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, “Washta Water Supply, PWSID IA1880073, Iowa”, https://aquacensus.com/water-systems/iowa/washta-water-supply-ia1880073 (data as of October 1, 2026).