Public water system · IA1509074
ActiveAtlantic Municipal Utilities
At a glance
Atlantic Municipal Utilities (PWSID IA1509074) is an active community water system in Cass County, Iowa. It reports serving 7,252 people through 3,397 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1992.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,252
Service connections
3,397
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Atlantic Municipal Utilities compare with other water systems in Cass County?
By EPA's size categories, Atlantic Municipal Utilities is a medium system (3,301 to 10,000 people). Cass County has 15 active public water systems, and Atlantic Municipal Utilities is the largest of them by population served. Its population served is about 9.9 times the county average of 732 people per system, and accounts for 66% of the 10,975 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 Atlantic Municipal Utilities is roughly in line with 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 Atlantic Municipal Utilities?
EPA lists Atlantic Municipal Utilities 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 15 active systems in Cass County (53%) are also owned by a local government.
Does Atlantic Municipal Utilities have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1992. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 1992-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
The one violation in EPA's records.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.
Atlantic Municipal Utilities: frequently asked questions
Who runs Atlantic Municipal Utilities?
Atlantic Municipal Utilities (PWSID IA1509074) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Atlantic Municipal Utilities serve?
Atlantic Municipal Utilities reports serving 7,252 people through 3,397 service connections in Cass County, Iowa.
Where does Atlantic Municipal Utilities 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 Atlantic Municipal Utilities have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1992. 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 Atlantic Municipal Utilities' 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 one violation for this system; it is not health-based, and the most recent began in July 1992. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Atlantic Municipal Utilities' water quality report?
As a community water system, Atlantic Municipal Utilities 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 Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Griswold Water Supply | Cass | 1,008 | Community | Groundwater |
| Anita Municipal Utilities | Cass | 972 | Community | Groundwater |
| Massena Water Supply | Cass | 364 | Community | Groundwater |
| Lewis Water Supply | Cass | 357 | Community | Groundwater |
| Cumberland Water Supply | Cass | 266 | Community | Groundwater |
| Hitchcock House | Cass | 216 | Transient non-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, “Atlantic Municipal Utilities, PWSID IA1509074, Iowa”, https://aquacensus.com/water-systems/iowa/atlantic-municipal-utilities-ia1509074 (data as of October 1, 2026).