Public water system · IA7803080
ActiveAvoca Water Works
At a glance
Avoca Water Works (PWSID IA7803080) is an active community water system in Pottawattamie County, Iowa. It reports serving 1,697 people through 845 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,697
Service connections
845
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Avoca Water Works compare with other water systems in Pottawattamie County?
By EPA's size categories, Avoca Water Works is a small system (501 to 3,300 people). Pottawattamie County has 33 active public water systems, and Avoca Water Works is the 4th-largest of them by population served. Its population served is about 34% below the county average of 2,579 people per system, and accounts for 2% of the 85,108 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 Avoca Water Works 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 Avoca Water Works?
EPA lists Avoca 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. 15 of the 33 active systems in Pottawattamie County (45%) are also owned by a local government.
Does Avoca Water Works have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2020. The violations listed here began between June 1997 and October 2020. By type: 2 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2020-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1998-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Avoca Water Works: frequently asked questions
Who runs Avoca Water Works?
Avoca Water Works (PWSID IA7803080) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Avoca Water Works serve?
Avoca Water Works reports serving 1,697 people through 845 service connections in Pottawattamie County, Iowa.
Where does Avoca Water Works 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 Avoca Water Works have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2020. 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 Avoca 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 4 violations for this system; 1 is health-based, and the most recent began in October 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Avoca Water Works' water quality report?
As a community water system, Avoca 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 Pottawattamie County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Council Bluffs Water Works | Pottawattamie | 64,447 | Community | Surface water |
| Regional Water | Pottawattamie + 1 more | 4,132 | Community | Purchased surface water |
| Carter Lake Water District | Pottawattamie | 3,791 | Community | Purchased surface water |
| Urban Bluffs - North | Pottawattamie | 1,558 | Community | Purchased surface water |
| Oakland Munic Water Utility | Pottawattamie | 1,524 | Community | Groundwater |
| Treynor Water Department | Pottawattamie | 1,049 | 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, “Avoca Water Works, PWSID IA7803080, Iowa”, https://aquacensus.com/water-systems/iowa/avoca-water-works-ia7803080 (data as of October 1, 2026).