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Public water system · WI7500287

Active

Standing Rocks Co Park

At a glance

Standing Rocks Co Park (PWSID WI7500287) is an active transient non-community water system in Portage 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 3 violations for this system; all are health-based, and the most recent began in May 2005.

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

PWSIDWI7500287
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedAmherst Jct
StateWisconsin
ZIP—
CountyPortage County

How does Standing Rocks Co Park compare with other water systems in Portage County?

By EPA's size categories, Standing Rocks Co Park is a very small system (500 people or fewer). Portage County has 148 active public water systems. Its population served is well below the county average of 340 people per system, and accounts for less than 0.1% of the 50,348 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 Standing Rocks Co Park 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 Standing Rocks Co Park?

EPA lists Standing Rocks Co Park 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. 32 of the 148 active systems in Portage County (22%) are also owned by a local government.

Does Standing Rocks Co Park have drinking water violations?

EPA's records list 3 violations for this system; all are health-based, and the most recent began in May 2005. The violations listed here began between November 2001 and May 2005. By type: 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2005-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Standing Rocks Co Park: frequently asked questions

Who runs Standing Rocks Co Park?

Standing Rocks Co Park (PWSID WI7500287) 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 Standing Rocks Co Park serve?

Standing Rocks Co Park reports serving 25 people through 1 service connection in Portage County, Wisconsin.

Where does Standing Rocks Co Park 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 Standing Rocks Co Park have any drinking water violations?

EPA's records list 3 violations for this system; all are health-based, and the most recent began in May 2005. 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 Standing Rocks Co Park'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; all are health-based, and the most recent began in May 2005. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Standing Rocks Co Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Standing Rocks Co Park 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 Portage County

Water systemCountyPopulation servedTypeSource
Stevens Point WaterworksPortage26,717CommunityGroundwater
Plover WaterworksPortage13,486CommunityGroundwater
Whiting WaterworksPortage1,743CommunityGroundwater
Amherst WaterworksPortage1,119CommunityGroundwater
Mccain Foods USAPortage450Non-transient non-communityGroundwater
Almond-Bancroft Public SchoolsPortage420Non-transient non-communityGroundwater

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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, “Standing Rocks Co Park, PWSID WI7500287, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/standing-rocks-co-park-wi7500287 (data as of October 1, 2026).