Public water system · WI4690636
ActiveChain Exploration Center
At a glance
Chain Exploration Center (PWSID WI4690636) is an active non-transient non-community water system in Waupaca County, Wisconsin. It reports serving 150 people through 1 service connection. 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 May 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Chain Exploration Center compare with other water systems in Waupaca County?
By EPA's size categories, Chain Exploration Center is a very small system (500 people or fewer). Waupaca County has 207 active public water systems. Its population served is about 14% below the county average of 175 people per system, and accounts for 0.4% of the 36,146 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Chain Exploration Center is about 65% below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wisconsin has 891 active non-transient non-community water systems, 8.1% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Chain Exploration Center?
EPA lists Chain Exploration Center as owned by a local government. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 21 of the 207 active systems in Waupaca County (10%) are also owned by a local government.
Does Chain Exploration 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 2006. 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 |
|---|---|---|---|---|
| 2006-05-01 | 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.
Chain Exploration Center: frequently asked questions
Who runs Chain Exploration Center?
Chain Exploration Center (PWSID WI4690636) is a non-transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Chain Exploration Center serve?
Chain Exploration Center reports serving 150 people through 1 service connection in Waupaca County, Wisconsin.
Where does Chain Exploration 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 Chain Exploration 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 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 Chain Exploration 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 2006. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Chain Exploration Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Chain Exploration Center is a non-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 Waupaca County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New London Waterworks | Waupaca | 7,187 | Community | Groundwater |
| Waupaca Waterworks | Waupaca | 6,062 | Community | Groundwater |
| Clintonville Utilities | Waupaca | 4,635 | Community | Groundwater |
| Weyauwega Waterworks | Waupaca | 1,820 | Community | Groundwater |
| Manawa Waterworks | Waupaca | 1,300 | Community | Groundwater |
| Marion Waterworks | Waupaca | 1,293 | 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, “Chain Exploration Center, PWSID WI4690636, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/chain-exploration-center-wi4690636 (data as of October 1, 2026).