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Marquette County, Michigan: environmental and disease records

Cancer mortality in Marquette County is 152.3 deaths per 100,000 people per year against a U.S. rate of 143.2. Federal databases place 396 regulated facilities, sites and hazards inside the county, led by Rail grade crossing (123), Brownfield property (62), Gas station (mapped facility) (42). 2 correctional facilities operate in the county, at least one with health-based drinking water violations on record. 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: 46.4504, -87.6166.

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 Marquette County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Kidney & renal pelvis	Deaths	4.7	3.4	1.38x	2.9 to 7.2	2020-2024
Non-Hodgkin lymphoma	Deaths	5.9	4.8	1.23x	3.8 to 8.9	2020-2024
Brain & nervous system	Deaths	5.3	4.4	1.2x	3.2 to 8.3	2020-2024
Esophagus	Deaths	4.4	3.7	1.19x	2.8 to 6.9	2020-2024
Bladder	New cases	21.5	18.7	1.15x	17.3 to 26.5	2019-2023
Brain & nervous system	New cases	6.9	6.2	1.11x	4.4 to 10.4	2019-2023
Lung & bronchus	Deaths	33.4	30.2	1.11x	28.4 to 39.2	2020-2024
Lung & bronchus	New cases	55.9	51.8	1.08x	49.2 to 63.4	2019-2023
All cancer	Deaths	152.3	143.2	1.06x	141 to 164.4	2020-2024
Pancreas	Deaths	12	11.3	1.06x	9 to 15.8	2020-2024
Esophagus	New cases	4.7	4.6	1.02x	3 to 7.3	2019-2023
Leukemia	Deaths	5.7	5.7	1x	3.7 to 8.5	2020-2024
All cancer	New cases	416.9	453.4	0.92x	397.2 to 437.4	2019-2023
Liver & bile duct	Deaths	5.7	6.6	0.86x	3.7 to 8.5	2020-2024
Stomach	New cases	5.3	6.6	0.8x	3.4 to 8	2019-2023
Pancreas	New cases	10.9	13.9	0.78x	8 to 14.5	2019-2023
Non-Hodgkin lymphoma	New cases	13.9	18.5	0.75x	10.5 to 18.1	2019-2023
Leukemia	New cases	10.8	14.5	0.74x	7.8 to 14.6	2019-2023
Melanoma of the skin	New cases	17.4	23.8	0.73x	13.5 to 22.2	2019-2023
Thyroid	New cases	8.7	13	0.67x	5.7 to 12.8	2019-2023
Kidney & renal pelvis	New cases	11.5	17.9	0.64x	8.5 to 15.4	2019-2023
Liver & bile duct	New cases	5.2	8.7	0.6x	3.3 to 8	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 Marquette County
Measure	County	U.S. median	Difference	Unit
Premature death	7,010.8	9,842.6	-29%	years of life lost before age 75 per 100,000
Life expectancy	78	75.3	+4%	years
Child mortality	43.5	59.8	-27%	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	78.7	96.9	-19%	deaths per 100,000
Drug overdose deaths	14.6	28.6	-49%	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.

Formaldehyde8.76 per million
Carbon Tetrachloride2.98 per million
Acetaldehyde0.92 per million
Benzene0.69 per million

EPA Air Quality Index 2025

Monitored on 307 days: 253 good, 13 unhealthy for sensitive groups or worse. Median AQI 19, peak 193.

Regulated facilities, sites and hazards by type

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

Rail grade crossing123
Brownfield property62
Gas station (mapped facility)42
Industrial wastewater discharge40
NPDES wastewater discharge permit36
Auto repair or body shop (mapped facility)26
Air permit holder (minor source)17
Small hazardous waste generator11
Major air pollution source6
Large greenhouse gas emitter4
Hydroelectric plant4
TRI reporting facility4
Toxic chemical release facility (TRI)4
Public airport3
Correctional facility (prison or jail)2
Dry cleaner (mapped facility)2
Landfill (mapped facility)2
Gas power plant2
EPA air quality monitor1
Commercial airport1
Hazardous waste transporter1
Heliport1
Oil-fired power plant1
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.

Eagle Mine Llc-Humboldt Mill, Champion
Toxic chemical release facility (TRI). Chemicals: Nickel And Nickel Compounds, Copper And Copper Compounds, Nickel compounds, Cobalt And Cobalt Compounds and 4 more. Reports carcinogens. 32,013,973 lbs released over 5 years.
TRI facility ID 4981WGLMNL4547C (U.S. EPA Toxics Release Inventory)
Severity 10
Eagle Mine, Michigamme
Toxic chemical release facility (TRI). Chemicals: Nickel And Nickel Compounds, Copper And Copper Compounds, Lead And Lead Compounds, Nickel compounds and 4 more. Reports carcinogens. 1,647,022 lbs released over 5 years.
TRI facility ID 4986WRTNTG651TR (U.S. EPA Toxics Release Inventory)
Severity 9.3
Eagle Mine Llc-Humboldt Mill, Champion
TRI reporting facility.
EPA FRS registry ID 110040612717 (U.S. EPA ECHO) Agency record
Severity 7.5
Rio Tinto Eagle Mine Llc, Michigamme
TRI reporting facility.
EPA FRS registry ID 110022921819 (U.S. EPA ECHO) Agency record
Severity 6.5
Tilden Mining Company L C, Ishpeming
Major air pollution source. Penalties $5,625.
EPA FRS registry ID 110041006416 (U.S. EPA ECHO) Agency record
Severity 6.5
Empire Iron Mining Partnership, Ishpeming
Major air pollution source.
EPA FRS registry ID 110038173437 (U.S. EPA ECHO) Agency record
Severity 6.3
Marquette Wwtp, Marquette
NPDES wastewater discharge permit.
EPA FRS registry ID 110000733378 (U.S. EPA ECHO) Agency record
Severity 6
Tilden Mining Company L C, Ishpeming
NPDES wastewater discharge permit. Penalties $5,625.
EPA FRS registry ID 110041006416 (U.S. EPA ECHO) Agency record
Severity 6
Empire Iron Mining Partnership, Ishpeming
NPDES wastewater discharge permit.
EPA FRS registry ID 110038173437 (U.S. EPA ECHO) Agency record
Severity 5.8
Dyno Nobel Inc, Ishpeming
Toxic chemical release facility (TRI). Chemicals: Ammonia, Nitrate compounds (water dissociable; reportable only when in aqueous solution). 2,500 lbs released over 5 years.
TRI facility ID 49849RCNCRCORD4 (U.S. EPA Toxics Release Inventory)
Severity 5.6
Tilden Mining Company L C, Ishpeming
Large greenhouse gas emitter. Penalties $5,625.
EPA FRS registry ID 110041006416 (U.S. EPA ECHO) Agency record
Severity 5.5
Empire Iron Mining Partnership, Ishpeming
Large greenhouse gas emitter.
EPA FRS registry ID 110038173437 (U.S. EPA ECHO) Agency record
Severity 5.3
Pepin Ireco Inc, Ishpeming
TRI reporting facility.
EPA FRS registry ID 110042071897 (U.S. EPA ECHO) Agency record
Severity 5.2
Negaunee Township, Off Pump House Road, Pump House #2
EPA air quality monitor.
Record ID 261030013 (U.S. EPA AirData)
Severity 5
Marquette/Sawyer Rgnl, Marquette
Commercial airport. O.
Record ID SAW (FAA / U.S. DOT)
Severity 5
Marquette County Solid Waste Management Authority, Marquette
Large greenhouse gas emitter.
EPA FRS registry ID 110007270880 (U.S. EPA ECHO) Agency record
Severity 4.8
Potlatchdeltic Land & Lumber Llc. (N5940), Gwinn
TRI reporting facility.
EPA FRS registry ID 110012705233 (U.S. EPA ECHO) Agency record
Severity 4.7
Ishpeming Area Wwtp, Ishpeming
NPDES wastewater discharge permit.
EPA FRS registry ID 110000733528 (U.S. EPA ECHO) Agency record
Severity 4.5
Republic Twp Wwsl, Republic
NPDES wastewater discharge permit.
EPA FRS registry ID 110009026561 (U.S. EPA ECHO) Agency record
Severity 4.5
Tilden Mining Company L C, Ishpeming
Small hazardous waste generator. Penalties $5,625.
EPA FRS registry ID 110041006416 (U.S. EPA ECHO) Agency record
Severity 4.5
Potlatchdeltic Land & Lumber Llc., Gwinn
Toxic chemical release facility (TRI). Chemicals: Lead And Lead Compounds. 57 lbs released over 5 years.
TRI facility ID 49841LPGWN650AA (U.S. EPA Toxics Release Inventory)
Severity 4.4
Richmond Twp Wwtp-Marquette Co, Palmer
NPDES wastewater discharge permit.
EPA FRS registry ID 110009900615 (U.S. EPA ECHO) Agency record
Severity 4.3
Plant Four, Marquette
Oil-fired power plant.
Record ID 1840 (U.S. Energy Information Administration)
Severity 4
Ki Sawyer Wwtp - Marquette Co, Gwinn
NPDES wastewater discharge permit.
EPA FRS registry ID 110006740802 (U.S. EPA ECHO) Agency record
Severity 4
Marquette County Solid Waste Management Authority, Marquette
Small hazardous waste generator.
EPA FRS registry ID 110007270880 (U.S. EPA ECHO) Agency record
Severity 3.8

Correctional facilities

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

Marquette County Corrections Center
EPA FRS registry ID
110049119976
Water system
MI0004025
Health-based violations
3 all time, 1 in 5 years
All violations
7
Contaminants cited
Coliform (TCR), Nitrate
Wastewater permit
None on record
EPA detailed facility report
Marquette Branch Prison, Marquette
EPA FRS registry ID
110011885497
Wastewater permit
None on record
EPA detailed facility report

Discovery / public records

Records to request for Marquette 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 Marquette 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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