Public water system · MN5820233
ActiveCarpenter Nature Center
At a glance
Carpenter Nature Center (PWSID MN5820233) is an active transient non-community water system in Washington County, Minnesota. It reports serving 25 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in May 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Carpenter Nature Center compare with other water systems in Washington County?
By EPA's size categories, Carpenter Nature Center is a very small system (500 people or fewer). Washington County has 192 active public water systems. Its population served is well below the county average of 1,376 people per system, and accounts for less than 0.1% of the 264,205 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 Carpenter Nature Center is well below 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 Carpenter Nature Center?
EPA lists Carpenter Nature Center 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. 149 of the 192 active systems in Washington County (78%) are also privately owned.
Does Carpenter Nature Center have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in May 2012. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Nitrate. 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 |
|---|---|---|---|---|
| 2012-05-21 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | 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.
Carpenter Nature Center: frequently asked questions
Who runs Carpenter Nature Center?
Carpenter Nature Center (PWSID MN5820233) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Carpenter Nature Center serve?
Carpenter Nature Center reports serving 25 people through 4 service connections in Washington County, Minnesota.
Where does Carpenter Nature Center 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 Carpenter Nature Center have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in May 2012. 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 Carpenter Nature Center'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 May 2012. For current results, consult EPA ECHO, or the MN state drinking water program.
Where can I find Carpenter Nature Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Carpenter Nature Center 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Woodbury | Washington | 82,643 | Community | Groundwater |
| Cottage Grove | Washington | 42,760 | Community | Groundwater |
| Oakdale | Washington | 30,144 | Community | Groundwater |
| Stillwater | Washington | 19,462 | Community | Groundwater |
| Hugo | Washington | 12,047 | Community | Groundwater |
| Forest Lake | Washington | 11,800 | 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, “Carpenter Nature Center, PWSID MN5820233, Minnesota”, https://aquacensus.com/water-systems/minnesota/carpenter-nature-center-mn5820233 (data as of October 1, 2026).