Public water system · IA1516093
ActiveCumberland Water Supply
At a glance
Cumberland Water Supply (PWSID IA1516093) is an active community water system in Cass County, Iowa. It reports serving 266 people through 142 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 health-based, and the most recent began in January 2003.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
266
Service connections
142
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cumberland Water Supply compare with other water systems in Cass County?
By EPA's size categories, Cumberland Water Supply is a very small system (500 people or fewer). Cass County has 15 active public water systems, and Cumberland Water Supply is the 6th-largest of them by population served. Its population served is about 64% below the county average of 732 people per system, and accounts for 2.4% 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 Cumberland 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 Cumberland Water Supply?
EPA lists Cumberland 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 15 active systems in Cass County (53%) are also owned by a local government.
Does Cumberland Water Supply have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2003. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2003-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Cumberland Water Supply: frequently asked questions
Who runs Cumberland Water Supply?
Cumberland Water Supply (PWSID IA1516093) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Cumberland Water Supply serve?
Cumberland Water Supply reports serving 266 people through 142 service connections in Cass County, Iowa.
Where does Cumberland 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 Cumberland Water Supply have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in January 2003. 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 Cumberland 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 one violation for this system; it is health-based, and the most recent began in January 2003. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Cumberland Water Supply's water quality report?
As a community water system, Cumberland 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 Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Atlantic Municipal Utilities | Cass | 7,252 | Community | Groundwater |
| 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 |
| Hitchcock House | Cass | 216 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Cumberland Water Supply, PWSID IA1516093, Iowa”, https://aquacensus.com/water-systems/iowa/cumberland-water-supply-ia1516093 (data as of October 1, 2026).