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Public water system · WI1110138

Active

Sleepy Dragon Campground LLC

At a glance

Sleepy Dragon Campground LLC (PWSID WI1110138) is an active transient non-community water system in Columbia County, Wisconsin. It reports serving 27 people through 135 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in June 2007.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

27

Service connections

135

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI1110138
System typeTransient non-community water system
Activity statusActive
Population served27
Service connections135
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedRio
StateWisconsin
ZIP—
CountyColumbia County

How does Sleepy Dragon Campground LLC compare with other water systems in Columbia County?

By EPA's size categories, Sleepy Dragon Campground LLC is a very small system (500 people or fewer). Columbia County has 140 active public water systems. Its population served is well below the county average of 463 people per system, and accounts for less than 0.1% of the 64,780 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 Sleepy Dragon Campground LLC 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 Sleepy Dragon Campground LLC?

EPA lists Sleepy Dragon Campground LLC as privately owned. 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. 114 of the 140 active systems in Columbia County (81%) are also privately owned.

Does Sleepy Dragon Campground LLC have drinking water violations?

EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in June 2007. The violations listed here began between May 2003 and June 2007. By type: 3 contaminant level above the legal limit and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 5 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
2007-06-14Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitrate-Nitritecode 1038YesResolved
2004-08-10Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2004-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitrate-Nitritecode 1038YesResolved
2003-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 5 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.

Sleepy Dragon Campground LLC: frequently asked questions

Who runs Sleepy Dragon Campground LLC?

Sleepy Dragon Campground LLC (PWSID WI1110138) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Sleepy Dragon Campground LLC serve?

Sleepy Dragon Campground LLC reports serving 27 people through 135 service connections in Columbia County, Wisconsin.

Where does Sleepy Dragon Campground LLC 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 Sleepy Dragon Campground LLC have any drinking water violations?

EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in June 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 Sleepy Dragon Campground LLC'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 5 violations for this system; 3 are health-based, and the most recent began in June 2007. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Sleepy Dragon Campground LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Sleepy Dragon Campground LLC 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 Columbia County

Water systemCountyPopulation servedTypeSource
Portage WaterworksColumbia10,437CommunityGroundwater
Columbus UtilitiesColumbia5,173CommunityGroundwater
Wi Dot Rest Area 12 Dekorra West BoundColumbia3,255Transient non-communityGroundwater
Wisconsin Dells WaterworksColumbia3,232CommunityGroundwater
Lodi WaterworksColumbia3,146CommunityGroundwater
Poynette WaterworksColumbia2,520CommunityGroundwater

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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, “Sleepy Dragon Campground LLC, PWSID WI1110138, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/sleepy-dragon-campground-llc-wi1110138 (data as of October 1, 2026).