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Mackinac County, Michigan: environmental and disease records

Cancer mortality in Mackinac County is 155.1 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 106 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (35), Industrial wastewater discharge (25), Gas station (mapped facility) (16). EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 10 in a million, driven mainly by formaldehyde.

Rates are age-adjusted per 100,000 people. A cancer signal is marked significant when the lower bound of its 95 percent confidence interval is above the U.S. rate. Facility counts use active federal records located inside the county boundary. Approximate county center: 46.0424, -84.9015.

How this county ranks in Michigan

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Cancer deaths and new cases versus the United States

Source: NCI and CDC State Cancer Profiles, both sexes, all ages. Sorted by the ratio of the county rate to the U.S. rate.

Cancer rates for Mackinac County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Leukemia	New cases	19.5	14.5	1.34x	9.8 to 35.5	2019-2023
Lung & bronchus	Deaths	39.6	30.2	1.31x	28.3 to 55.8	2020-2024
Pancreas	Deaths	14.6	11.3	1.29x	7.5 to 27.3	2020-2024
Bladder	New cases	23.7	18.7	1.27x	15.1 to 37.3	2019-2023
All cancer	Deaths	155.1	143.2	1.08x	130.4 to 184.3	2020-2024
Lung & bronchus	New cases	54.4	51.8	1.05x	40.3 to 73.3	2019-2023
All cancer	New cases	455.8	453.4	1.01x	408.3 to 508.2	2019-2023
Non-Hodgkin lymphoma	New cases	16.6	18.5	0.9x	9.3 to 29.5	2019-2023

Mortality measures versus the U.S. county median

Source: County Health Rankings, built from CDC National Vital Statistics System death records. The comparison value is the median of all U.S. counties.

Mortality measures for Mackinac County
Measure	County	U.S. median	Difference	Unit
Premature death	7,364.5	9,842.6	-25%	years of life lost before age 75 per 100,000
Life expectancy	77.2	75.3	+3%	years
Child mortality	n/a	59.8	n/a	deaths under age 18 per 100,000
Infant mortality	n/a	6.2	n/a	deaths under age 1 per 1,000 live births
Injury deaths	92.1	96.9	-5%	deaths per 100,000
Drug overdose deaths	n/a	28.6	n/a	deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 10 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde7.55 per million
Carbon Tetrachloride3.02 per million
Acetaldehyde0.73 per million
Benzene0.62 per million

EPA Air Quality Index

No EPA air quality monitor reports daily AQI for this county.

Regulated facilities, sites and hazards by type

106 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

Rail grade crossing35
Industrial wastewater discharge25
Gas station (mapped facility)16
NPDES wastewater discharge permit14
Public airport4
Air permit holder (minor source)2
Auto repair or body shop (mapped facility)2
Brownfield property2
Small hazardous waste generator2
Major air pollution source1
Commercial airport1
Scrapyard (mapped facility)1
Wastewater plant (mapped facility)1

Highest-severity records

The 25 records with the highest Envyrofax severity in the county, with the agency identifier to cite in a records request.

Mackinac Island Wwtp, Mackinac Island
NPDES wastewater discharge permit.
EPA FRS registry ID 110009900599 (U.S. EPA ECHO) Agency record
Severity 6
St Ignace Wwtp, Saint Ignace
NPDES wastewater discharge permit.
EPA FRS registry ID 110006824525 (U.S. EPA ECHO) Agency record
Severity 5.5
Csi Sands (Ne) Ltd, Moran
NPDES wastewater discharge permit. Penalties $95,000.
EPA FRS registry ID 110009032625 (U.S. EPA ECHO) Agency record
Severity 5.5
St Ignace Wtp, Saint Ignace
NPDES wastewater discharge permit.
EPA FRS registry ID 110006742016 (U.S. EPA ECHO) Agency record
Severity 4.5
Brevort Township Wwsl, Moran
NPDES wastewater discharge permit.
EPA FRS registry ID 110009910935 (U.S. EPA ECHO) Agency record
Severity 4.5
Mackinac Co Airport, St. Ignace
NPDES wastewater discharge permit.
EPA FRS registry ID 110067615977 (U.S. EPA ECHO) Agency record
Severity 4.5
Clark Twp Wwsl, Cedarville
NPDES wastewater discharge permit.
EPA FRS registry ID 110071711177 (U.S. EPA ECHO) Agency record
Severity 4.5
Carmeuse Lime & Stone - Cedarville, Cedarville
NPDES wastewater discharge permit.
EPA FRS registry ID 110009911649 (U.S. EPA ECHO) Agency record
Severity 4.3
Grand Hotel, Mackinac Island
NPDES wastewater discharge permit.
EPA FRS registry ID 110071073876 (U.S. EPA ECHO) Agency record
Severity 4.3
Great Lakes Gas Transmission Station #10 (N3758), Naubinway
Major air pollution source.
EPA FRS registry ID 110040851584 (U.S. EPA ECHO) Agency record
Severity 3.5
Mackinac Straits Hospital, Saint Ignace
Brownfield property.
EPA FRS registry ID 110068951860 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Tri-County Builders, Cedarville
Brownfield property.
EPA FRS registry ID 110071975664 (U.S. EPA Brownfields (ACRES)) Agency record
Severity 3
Brevort Twp Wwsl, Moran
Industrial wastewater discharge. Significant/Category I Noncompliance.
NPDES permit MIG580205: (U.S. EPA NPDES)
Severity 2.9
Mackinac Island Wfp, Mackinac Island
Industrial wastewater discharge. No Violation Identified.
NPDES permit MIG640181: (U.S. EPA NPDES)
Severity 2
Les Cheneaux Club, Cedarville
NPDES wastewater discharge permit.
EPA FRS registry ID 110072083138 (U.S. EPA ECHO) Agency record
Severity 2
Albert J Lindberg, Hessel
Public airport. O.
Record ID 5Y1 (FAA / U.S. DOT)
Severity 2
Bois Blanc Island, Bois Blanc Island
Public airport. O.
Record ID 6Y1 (FAA / U.S. DOT)
Severity 2
Mackinac County, St Ignace
Public airport. O.
Record ID 83D (FAA / U.S. DOT)
Severity 2
Mackinac Island, Mackinac Island
Commercial airport. O.
Record ID MCD (FAA / U.S. DOT)
Severity 2
Water Treatment Plant
Wastewater plant (mapped facility). Mapped facility presence only; no compliance or exposure measurements.
Record ID way/194657783 (OpenStreetMap contributors) Agency record
Severity 2
Graymont-Eastern Quarry, Naubinway
NPDES wastewater discharge permit.
EPA FRS registry ID 110070360174 (U.S. EPA ECHO) Agency record
Severity 1.8
Mi Dept/Transportation, Saint Ignace
Small hazardous waste generator.
EPA FRS registry ID 110003626595 (U.S. EPA ECHO) Agency record
Severity 1.5
Mackinac Island Wfp, Mackinac Island
NPDES wastewater discharge permit.
EPA FRS registry ID 110009910089 (U.S. EPA ECHO) Agency record
Severity 1.5
Huron Pines Incorporated-Nuisance Plant, Gaylord
NPDES wastewater discharge permit.
EPA FRS registry ID 110046329567 (U.S. EPA ECHO) Agency record
Severity 1.5
Payne & Dolan Inc. - Ozark Aggregate, Moran
NPDES wastewater discharge permit.
EPA FRS registry ID 110072188549 (U.S. EPA ECHO) Agency record
Severity 1.5

Correctional facilities

Prisons, jails and corrections operations with an EPA facility record, and the drinking water and wastewater compliance attached to them.

No correctional facility with an EPA record is located in this county.

Discovery / public records

Records to request for Mackinac County

Michigan state cancer registry
Cancer incidence counts by census tract or ZIP code, by cancer type and year (de-identified). Any cancer cluster inquiries or investigations in Mackinac County, and their findings.
Michigan vital statistics office
Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.
Michigan health department, environmental epidemiology
Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.
Michigan environmental agency and the U.S. EPA regional office
Compliance history, inspection reports, notices of violation, penalties and enforcement actions for each facility above, cited by EPA FRS registry ID.
Michigan drinking water program
Violation notices, sampling results and sanitary surveys for the public water systems serving the county, including any system serving a correctional facility.
Department of corrections or county sheriff
Water testing, grievances and environmental health inspections for the correctional facilities listed above.

Each Envyrofax address report includes a printable records request worksheet with the custodian and the exact request wording per finding.

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