Public water system · WI7720329
ActiveNepco Lake Co Park Shelter
At a glance
Nepco Lake Co Park Shelter (PWSID WI7720329) is an active transient non-community water system in Wood County, Wisconsin. It reports serving 25 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 6 violations for this system; 2 are health-based, and the most recent began in April 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Nepco Lake Co Park Shelter compare with other water systems in Wood County?
By EPA's size categories, Nepco Lake Co Park Shelter is a very small system (500 people or fewer). Wood County has 148 active public water systems. Its population served is well below the county average of 396 people per system, and accounts for less than 0.1% of the 58,534 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Nepco Lake Co Park Shelter 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. Wisconsin has 9,112 active transient non-community water systems, 82% 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 Nepco Lake Co Park Shelter?
EPA lists Nepco Lake Co Park Shelter 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. 42 of the 148 active systems in Wood County (28%) are also owned by a local government.
Does Nepco Lake Co Park Shelter have drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in April 2013. The violations listed here began between January 1994 and April 2013. By type: 4 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2013-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 6 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.
Nepco Lake Co Park Shelter: frequently asked questions
Who runs Nepco Lake Co Park Shelter?
Nepco Lake Co Park Shelter (PWSID WI7720329) is a transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Nepco Lake Co Park Shelter serve?
Nepco Lake Co Park Shelter reports serving 25 people through 1 service connection in Wood County, Wisconsin.
Where does Nepco Lake Co Park Shelter 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 Nepco Lake Co Park Shelter have any drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in April 2013. 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 Nepco Lake Co Park Shelter'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 6 violations for this system; 2 are health-based, and the most recent began in April 2013. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Nepco Lake Co Park Shelter's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Nepco Lake Co Park Shelter 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 Wood County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Wis Rapids Water Works & Lighting Comm | Wood | 20,000 | Community | Groundwater |
| Marshfield Utilities | Wood | 18,815 | Community | Groundwater |
| Nekoosa Waterworks | Wood | 2,394 | Community | Groundwater |
| Port Edwards Water Utility | Wood | 1,866 | Community | Groundwater |
| Biron Water Utility | Wood | 879 | Community | Groundwater |
| Pittsville Waterworks | Wood | 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, “Nepco Lake Co Park Shelter, PWSID WI7720329, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/nepco-lake-co-park-shelter-wi7720329 (data as of October 1, 2026).