Public water system · IA4130075
ActiveGarner Water Works
At a glance
Garner Water Works (PWSID IA4130075) is an active community water system in Hancock County, Iowa. It reports serving 3,065 people through 1,429 service connections. Its primary water source is 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 January 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,065
Service connections
1,429
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Garner Water Works compare with other water systems in Hancock County?
By EPA's size categories, Garner Water Works is a small system (501 to 3,300 people). Hancock County has 18 active public water systems, and Garner Water Works is the largest of them by population served. Its population served is about 7.1 times the county average of 431 people per system, and accounts for 39% of the 7,764 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 Garner Water Works is about half of 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 Garner Water Works?
EPA lists Garner Water Works 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 18 active systems in Hancock County (50%) are also owned by a local government.
Does Garner Water Works have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2002. The violations listed here began between January 2002 and January 2002. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Arsenic (2 of them). EPA lists 2 as resolved. 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 |
|---|---|---|---|---|
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | 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.
Garner Water Works: frequently asked questions
Who runs Garner Water Works?
Garner Water Works (PWSID IA4130075) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Garner Water Works serve?
Garner Water Works reports serving 3,065 people through 1,429 service connections in Hancock County, Iowa.
Where does Garner Water Works 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 Garner Water Works have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2002. 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 Garner Water Works' 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 January 2002. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Garner Water Works' water quality report?
As a community water system, Garner Water Works 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 Hancock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Britt Water Works | Hancock | 2,064 | Community | Groundwater |
| Kanawha Water Supply | Hancock | 658 | Community | Groundwater |
| Klemme Water Works | Hancock | 441 | Community | Groundwater |
| Corwith Water Supply | Hancock | 266 | Community | Groundwater |
| Crystal Lake Water Supply | Hancock | 255 | Community | Groundwater |
| Woden Water Supply | Hancock | 188 | 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, “Garner Water Works, PWSID IA4130075, Iowa”, https://aquacensus.com/water-systems/iowa/garner-water-works-ia4130075 (data as of October 1, 2026).