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Public water system · WI2650271

Active

Rosewood Dinner Theater

At a glance

Rosewood Dinner Theater (PWSID WI2650271) is an active transient non-community water system in Walworth County, Wisconsin. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 1995.

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

Population served

500

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI2650271
System typeTransient non-community water system
Activity statusActive
Population served500
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedDelavan
StateWisconsin
ZIP—
CountyWalworth County

How does Rosewood Dinner Theater compare with other water systems in Walworth County?

By EPA's size categories, Rosewood Dinner Theater is a very small system (500 people or fewer). Walworth County has 252 active public water systems. Its population served is about 32% above the county average of 380 people per system, and accounts for 0.5% of the 95,693 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 Rosewood Dinner Theater is about 3.5 times 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 Rosewood Dinner Theater?

EPA lists Rosewood Dinner Theater 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. 215 of the 252 active systems in Walworth County (85%) are also privately owned.

Does Rosewood Dinner Theater have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 1995. The violations listed here began between January 1994 and January 1995. By type: 3 monitoring and reporting. The contaminants or rules involved are Nitrite, Nitrate and Total coliform bacteria (TCR). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1994-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

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.

Rosewood Dinner Theater: frequently asked questions

Who runs Rosewood Dinner Theater?

Rosewood Dinner Theater (PWSID WI2650271) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Rosewood Dinner Theater serve?

Rosewood Dinner Theater reports serving 500 people through 1 service connection in Walworth County, Wisconsin.

Where does Rosewood Dinner Theater 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 Rosewood Dinner Theater have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 1995. 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 Rosewood Dinner Theater'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; none is health-based, and the most recent began in January 1995. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Rosewood Dinner Theater's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Rosewood Dinner Theater 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 Walworth County

Water systemCountyPopulation servedTypeSource
Whitewater WaterworksWalworth14,000CommunityGroundwater
Elkhorn WaterworksWalworth10,317CommunityGroundwater
Delavan WaterworksWalworth9,028CommunityGroundwater
Lake Geneva Utility CommissionWalworth7,107CommunityGroundwater
East Troy WaterworksWalworth5,054CommunityGroundwater
Bloomfield, Village ofWalworth4,071CommunityGroundwater

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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, “Rosewood Dinner Theater, PWSID WI2650271, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/rosewood-dinner-theater-wi2650271 (data as of October 1, 2026).