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Public water system · MI2025435

Active

National Gypsum Board Plant South Well

At a glance

National Gypsum Board Plant South Well (PWSID MI2025435) is an active non-transient non-community water system in Iosco County, Michigan. It reports serving 49 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

49

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2025435
System typeNon-transient non-community water system
Activity statusActive
Population served49
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyIosco County

How does National Gypsum Board Plant South Well compare with other water systems in Iosco County?

By EPA's size categories, National Gypsum Board Plant South Well is a very small system (500 people or fewer). Iosco County has 81 active public water systems. Its population served is well below the county average of 294 people per system, and accounts for 0.2% of the 23,789 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so National Gypsum Board Plant South Well is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-community water systems, 13% 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 National Gypsum Board Plant South Well?

EPA lists National Gypsum Board Plant South Well 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 81 active systems in Iosco County (86%) are also privately owned.

Does National Gypsum Board Plant South Well have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for National Gypsum Board Plant South Well. For the latest compliance status, check EPA ECHO for current compliance history.

National Gypsum Board Plant South Well: frequently asked questions

Who runs National Gypsum Board Plant South Well?

National Gypsum Board Plant South Well (PWSID MI2025435) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does National Gypsum Board Plant South Well serve?

National Gypsum Board Plant South Well reports serving 49 people through 2 service connections in Iosco County, Michigan.

Where does National Gypsum Board Plant South Well 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 National Gypsum Board Plant South Well have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is National Gypsum Board Plant South Well'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find National Gypsum Board Plant South Well's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. National Gypsum Board Plant South Well is a non-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 Iosco County

Water systemCountyPopulation servedTypeSource
Oscoda TownshipIosco6,997CommunityPurchased surface water
East Tawas, City ofIosco2,663CommunityPurchased surface water
Au Sable TownshipIosco2,370CommunityPurchased surface water
Old Orchard Park CampgroundIosco2,000Transient non-communityGroundwater
Tawas City, City ofIosco1,834CommunityPurchased surface water
Whittemore/Prescott School ComplexIosco860Non-transient 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, “National Gypsum Board Plant South Well, PWSID MI2025435, Michigan”, https://aquacensus.com/water-systems/michigan/national-gypsum-board-plant-south-well-mi2025435 (data as of October 1, 2026).