Public water system · MN5480302
ActiveKoch'S Hardware Hank
At a glance
Koch'S Hardware Hank (PWSID MN5480302) is an active transient non-community water system in Mille Lacs County, Minnesota. It reports serving 300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Koch'S Hardware Hank compare with other water systems in Mille Lacs County?
By EPA's size categories, Koch'S Hardware Hank is a very small system (500 people or fewer). Mille Lacs County has 91 active public water systems. Its population served is about 36% above the county average of 221 people per system, and accounts for 1.5% of the 20,104 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Koch'S Hardware Hank is about twice that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Minnesota has 5,008 active transient non-community water systems, 77% 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 Koch'S Hardware Hank?
EPA lists Koch'S Hardware Hank as privately owned. 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. 78 of the 91 active systems in Mille Lacs County (86%) are also privately owned.
Does Koch'S Hardware Hank have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2007. The violations listed here began between December 2003 and April 2007. By type: 2 monitoring and reporting 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 3 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 |
|---|---|---|---|---|
| 2007-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Koch'S Hardware Hank: frequently asked questions
Who runs Koch'S Hardware Hank?
Koch'S Hardware Hank (PWSID MN5480302) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Koch'S Hardware Hank serve?
Koch'S Hardware Hank reports serving 300 people through 1 service connection in Mille Lacs County, Minnesota.
Where does Koch'S Hardware Hank 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 Koch'S Hardware Hank have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in April 2007. 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 Koch'S Hardware Hank'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 3 violations for this system; 1 is health-based, and the most recent began in April 2007. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Koch'S Hardware Hank's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Koch'S Hardware Hank is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Mille Lacs County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Princeton | Mille Lacs | 5,421 | Community | Groundwater |
| Milaca | Mille Lacs | 3,043 | Community | Groundwater |
| New Life Christian Center | Mille Lacs | 1,000 | Transient non-community | Groundwater |
| Onamia | Mille Lacs | 831 | Community | Groundwater |
| Isle | Mille Lacs | 820 | Community | Groundwater |
| Broberg'S Country Store | Mille Lacs | 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, “Koch'S Hardware Hank, PWSID MN5480302, Minnesota”, https://aquacensus.com/water-systems/minnesota/koch-s-hardware-hank-mn5480302 (data as of October 1, 2026).