Public water system · MN1030004
ActiveCallaway
At a glance
Callaway (PWSID MN1030004) is an active community water system in Becker County, Minnesota. It reports serving 234 people through 91 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; all are health-based, and the most recent began in October 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
234
Service connections
91
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Callaway compare with other water systems in Becker County?
By EPA's size categories, Callaway is a very small system (500 people or fewer). Becker County has 141 active public water systems. Its population served is about 22% above the county average of 192 people per system, and accounts for 0.9% of the 27,006 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active community water system reports serving 6,703 people, so Callaway 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. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.
Who owns and regulates Callaway?
EPA lists Callaway as owned by a local government. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 141 active systems in Becker County (7.1%) are also owned by a local government.
Does Callaway have drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in October 2006. The violations listed here began between October 1994 and October 2006. By type: 2 contaminant level above the legal limit. The contaminants or rules involved are Arsenic and Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2006-10-03 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 1994-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Callaway: frequently asked questions
Who runs Callaway?
Callaway (PWSID MN1030004) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Callaway serve?
Callaway reports serving 234 people through 91 service connections in Becker County, Minnesota.
Where does Callaway 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 Callaway have any drinking water violations?
EPA's records list 2 violations for this system; all are health-based, and the most recent began in October 2006. 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 Callaway'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 2 violations for this system; all are health-based, and the most recent began in October 2006. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Callaway's water quality report?
As a community water system, Callaway 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 Becker County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Detroit Lakes | Becker | 10,038 | Community | Groundwater |
| Frazee | Becker | 1,400 | Community | Groundwater |
| Many Point Scout Camp | Becker | 850 | Transient non-community | Groundwater |
| Lake Park | Becker | 714 | Community | Groundwater |
| Audubon | Becker | 570 | Community | Groundwater |
| Meadow Lake Campsite | Becker | 500 | 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, “Callaway, PWSID MN1030004, Minnesota”, https://aquacensus.com/water-systems/minnesota/callaway-mn1030004 (data as of October 1, 2026).