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Public water system · MI2020124

Active

Carol Costello Catering

At a glance

Carol Costello Catering (PWSID MI2020124) is an active transient non-community water system in Emmet County, Michigan. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2018.

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

Population served

40

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMI2020124
System typeTransient non-community water system
Activity statusActive
Population served40
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyEmmet County

How does Carol Costello Catering compare with other water systems in Emmet County?

By EPA's size categories, Carol Costello Catering is a very small system (500 people or fewer). Emmet County has 198 active public water systems. Its population served is well below the county average of 192 people per system, and accounts for 0.1% of the 38,096 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 Carol Costello Catering 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 Carol Costello Catering?

EPA lists Carol Costello Catering 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. 188 of the 198 active systems in Emmet County (95%) are also privately owned.

Does Carol Costello Catering have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2018. The violations listed here began between January 1995 and April 2018. By type: 6 monitoring and reporting, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (5 of them). EPA lists 9 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
2018-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2016-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2010-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 9 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.

Carol Costello Catering: frequently asked questions

Who runs Carol Costello Catering?

Carol Costello Catering (PWSID MI2020124) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Carol Costello Catering serve?

Carol Costello Catering reports serving 40 people through 1 service connection in Emmet County, Michigan.

Where does Carol Costello Catering 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 Carol Costello Catering have any drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2018. 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 Carol Costello Catering'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 9 violations for this system; 1 is health-based, and the most recent began in April 2018. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Carol Costello Catering's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Carol Costello Catering 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 Emmet County

Water systemCountyPopulation servedTypeSource
Petoskey, City ofEmmet8,979CommunityGroundwater
Pleasant View Ez MartEmmet1,500Transient non-communityGroundwater
Birchwood FarmsEmmet1,227CommunityGroundwater
Harbor Springs, City ofEmmet1,194CommunityGroundwater
Little Traverse TownshipEmmet1,102CommunityGroundwater
Bay View AssociationEmmet831CommunityPurchased 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, “Carol Costello Catering, PWSID MI2020124, Michigan”, https://aquacensus.com/water-systems/michigan/carol-costello-catering-mi2020124 (data as of October 1, 2026).