Public water system · MN1590011
ActiveHatfield Municipal Water Supply
At a glance
Hatfield Municipal Water Supply (PWSID MN1590011) is an active community water system in Pipestone County, Minnesota. It reports serving 54 people through 23 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
54
Service connections
23
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Hatfield Municipal Water Supply compare with other water systems in Pipestone County?
By EPA's size categories, Hatfield Municipal Water Supply is a very small system (500 people or fewer). Pipestone County has 12 active public water systems. Its population served is well below the county average of 597 people per system, and accounts for 0.8% of the 7,166 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 Hatfield Municipal 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. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 89 Minnesota systems (1.4%) list purchased groundwater as their primary source.
Who owns and regulates Hatfield Municipal Water Supply?
EPA lists Hatfield Municipal Water Supply 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. 9 of the 12 active systems in Pipestone County (75%) are also owned by a local government.
Does Hatfield Municipal Water Supply have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between July 1995 and January 2026. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2002-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
Hatfield Municipal Water Supply: frequently asked questions
Who runs Hatfield Municipal Water Supply?
Hatfield Municipal Water Supply (PWSID MN1590011) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Hatfield Municipal Water Supply serve?
Hatfield Municipal Water Supply reports serving 54 people through 23 service connections in Pipestone County, Minnesota.
Where does Hatfield Municipal Water Supply 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 Hatfield Municipal Water Supply have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2026. 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 Hatfield Municipal 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 5 violations for this system; none is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Hatfield Municipal Water Supply's water quality report?
As a community water system, Hatfield Municipal 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 Pipestone County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pipestone | Pipestone | 4,273 | Community | Groundwater |
| Edgerton | Pipestone | 1,281 | Community | Groundwater |
| Jasper | Pipestone | 623 | Community | Purchased groundwater |
| Ruthton | Pipestone | 220 | Community | Groundwater |
| Holland | Pipestone | 187 | Community | Purchased groundwater |
| Split Rock Creek State Park | Pipestone | 156 | 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, “Hatfield Municipal Water Supply, PWSID MN1590011, Minnesota”, https://aquacensus.com/water-systems/minnesota/hatfield-municipal-water-supply-mn1590011 (data as of October 1, 2026).