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Public water system · MI2012543

Active

Rockwell Lake Lodge Main

At a glance

Rockwell Lake Lodge Main (PWSID MI2012543) is an active transient non-community water system in Lake County, Michigan. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2017.

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

Population served

30

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMI2012543
System typeTransient non-community water system
Activity statusActive
Population served30
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyLake County

How does Rockwell Lake Lodge Main compare with other water systems in Lake County?

By EPA's size categories, Rockwell Lake Lodge Main is a very small system (500 people or fewer). Lake County has 73 active public water systems. Its population served is well below the county average of 110 people per system, and accounts for 0.4% of the 7,999 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Rockwell Lake Lodge Main 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. Michigan has 7,865 active transient non-community water systems, 74% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.

Who owns and regulates Rockwell Lake Lodge Main?

EPA lists Rockwell Lake Lodge Main as privately owned. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 70 of the 73 active systems in Lake County (96%) are also privately owned.

Does Rockwell Lake Lodge Main have drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2017. The violations listed here began between April 2008 and July 2017. By type: 5 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 7 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
2017-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2017-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2012-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2008-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 7 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.

Rockwell Lake Lodge Main: frequently asked questions

Who runs Rockwell Lake Lodge Main?

Rockwell Lake Lodge Main (PWSID MI2012543) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Rockwell Lake Lodge Main serve?

Rockwell Lake Lodge Main reports serving 30 people through 1 service connection in Lake County, Michigan.

Where does Rockwell Lake Lodge Main 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 Rockwell Lake Lodge Main have any drinking water violations?

EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2017. 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 Rockwell Lake Lodge Main'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 7 violations for this system; none is health-based, and the most recent began in July 2017. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Rockwell Lake Lodge Main's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Rockwell Lake Lodge Main 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 Lake County

Water systemCountyPopulation servedTypeSource
Baldwin, Village ofLake1,060CommunityGroundwater
Big Star Ez MartLake650Transient non-communityGroundwater
Chase Creek SmokehouseLake531Transient non-communityGroundwater
Mountain View Village WestLake440CommunityGroundwater
Odd Fellow & Rebekah CampLake320Transient non-communityGroundwater
Leisure Time CampgroundLake270Transient 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, “Rockwell Lake Lodge Main, PWSID MI2012543, Michigan”, https://aquacensus.com/water-systems/michigan/rockwell-lake-lodge-main-mi2012543 (data as of October 1, 2026).