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Public water system · MI2001205

Active

Oasis Tavern

At a glance

Oasis Tavern (PWSID MI2001205) is an active transient non-community water system in Antrim County, Michigan. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023.

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

PWSIDMI2001205
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyAntrim County

How does Oasis Tavern compare with other water systems in Antrim County?

By EPA's size categories, Oasis Tavern is a very small system (500 people or fewer). Antrim County has 111 active public water systems. Its population served is well below the county average of 204 people per system, and accounts for 0.1% of the 22,623 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 Oasis Tavern 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 Oasis Tavern?

EPA lists Oasis Tavern 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. 103 of the 111 active systems in Antrim County (93%) are also privately owned.

Does Oasis Tavern have drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023. The violations listed here began between October 1995 and January 2023. By type: 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 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
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1996-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 6 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.

Oasis Tavern: frequently asked questions

Who runs Oasis Tavern?

Oasis Tavern (PWSID MI2001205) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Oasis Tavern serve?

Oasis Tavern reports serving 25 people through 1 service connection in Antrim County, Michigan.

Where does Oasis Tavern 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 Oasis Tavern have any drinking water violations?

EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in January 2023. 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 Oasis Tavern'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 6 violations for this system; 1 is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Oasis Tavern's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Oasis Tavern 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 Antrim County

Water systemCountyPopulation servedTypeSource
Mancelona Area Water and Sewer AuthorityAntrim3,900CommunityGroundwater
Elk Rapids, Village ofAntrim1,642CommunityGroundwater
Clam River Dockside Inc.Antrim1,500Transient non-communityGroundwater
Shanty Creek - Watars AssociationAntrim1,250CommunityGroundwater
Bellaire, Village ofAntrim1,086CommunityGroundwater
Central Lake, Village ofAntrim952CommunityGroundwater

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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, “Oasis Tavern, PWSID MI2001205, Michigan”, https://aquacensus.com/water-systems/michigan/oasis-tavern-mi2001205 (data as of October 1, 2026).