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Baltimore County, Maryland: environmental and disease records

Cancer mortality in Baltimore County is 150.1 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Bladder deaths at 1.2 times the U.S. rate and Lung & bronchus deaths at 1.1 times the U.S. rate. Federal databases place 3,407 regulated facilities, sites and hazards inside the county, led by Air permit holder (minor source) (1,585), NPDES wastewater discharge permit (536), Auto repair or body shop (mapped facility) (271). One correctional facility operates in the county. EPA AirToxScreen estimates a lifetime cancer risk from outdoor air toxics of 30 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: 39.4579, -76.6366.

How this county ranks in Maryland

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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 Baltimore County compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Childhood cancer (under 15)	Deaths	2.4	1.9	1.26x	1.4 to 3.7	2020-2024
Melanoma of the skin	New cases	29.4	23.8	1.24xSignificant	28 to 31	2019-2023
Bladder	Deaths	4.8	4.1	1.17xSignificant	4.2 to 5.4	2020-2024
Lung & bronchus	New cases	56.9	51.8	1.1xSignificant	54.9 to 58.9	2019-2023
Stomach	Deaths	2.9	2.7	1.07x	2.5 to 3.4	2020-2024
All cancer	New cases	485.6	453.4	1.07xSignificant	479.7 to 491.7	2019-2023
Lung & bronchus	Deaths	32.3	30.2	1.07xSignificant	30.8 to 33.8	2020-2024
Brain & nervous system	New cases	6.6	6.2	1.06x	5.9 to 7.4	2019-2023
Liver & bile duct	New cases	9.2	8.7	1.06x	8.4 to 10.1	2019-2023
All cancer	Deaths	150.1	143.2	1.05xSignificant	146.9 to 153.3	2020-2024
Liver & bile duct	Deaths	6.9	6.6	1.05x	6.3 to 7.7	2020-2024
Pancreas	Deaths	11.7	11.3	1.04x	10.8 to 12.6	2020-2024
Non-Hodgkin lymphoma	Deaths	4.9	4.8	1.02x	4.4 to 5.6	2020-2024
Stomach	New cases	6.7	6.6	1.02x	6 to 7.5	2019-2023
Pancreas	New cases	13.9	13.9	1x	12.9 to 14.9	2019-2023
Childhood cancer (under 15)	New cases	16.2	16.4	0.99x	13.5 to 19.3	2019-2023
Non-Hodgkin lymphoma	New cases	18.2	18.5	0.98x	17 to 19.4	2019-2023
Kidney & renal pelvis	New cases	17.6	17.9	0.98x	16.5 to 18.8	2019-2023
Thyroid	New cases	12.5	13	0.96x	11.5 to 13.6	2019-2023
Brain & nervous system	Deaths	4.2	4.4	0.95x	3.7 to 4.8	2020-2024
Melanoma of the skin	Deaths	1.9	2	0.95x	1.6 to 2.3	2020-2024
Leukemia	Deaths	5.4	5.7	0.95x	4.8 to 6	2020-2024
Bladder	New cases	17.3	18.7	0.93x	16.2 to 18.5	2019-2023
Leukemia	New cases	13.4	14.5	0.92x	12.4 to 14.4	2019-2023
Kidney & renal pelvis	Deaths	3	3.4	0.88x	2.6 to 3.5	2020-2024
Esophagus	Deaths	3.2	3.7	0.86x	2.7 to 3.7	2020-2024
Thyroid	Deaths	0.4	0.5	0.8x	0.3 to 0.7	2020-2024
Esophagus	New cases	3.6	4.6	0.78x	3.1 to 4.2	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 Baltimore County
Measure	County	U.S. median	Difference	Unit
Premature death	8,667.5	9,842.6	-12%	years of life lost before age 75 per 100,000
Life expectancy	76.9	75.3	+2%	years
Child mortality	54.8	59.8	-8%	deaths under age 18 per 100,000
Infant mortality	6.3	6.2	+2%	deaths under age 1 per 1,000 live births
Injury deaths	112.2	96.9	+16%	deaths per 100,000
Drug overdose deaths	50.9	28.6	+78%	deaths per 100,000

Air toxics and air quality

EPA AirToxScreen 2020

Lifetime cancer risk from outdoor air toxics: 30 in a million. EPA treats 100 in a million as the upper end of acceptable risk and 1 in a million as the goal.

Formaldehyde20.77 per million
Carbon Tetrachloride2.97 per million
Acetaldehyde2.08 per million
Benzene1.89 per million

EPA Air Quality Index 2025

Monitored on 365 days: 236 good, 3 unhealthy for sensitive groups or worse. Median AQI 45, peak 129.

Regulated facilities, sites and hazards by type

3,407 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

Air permit holder (minor source)1,585
NPDES wastewater discharge permit536
Auto repair or body shop (mapped facility)271
Gas station (mapped facility)263
Small hazardous waste generator234
Large hazardous waste generator117
Industrial wastewater discharge91
Rail grade crossing87
Dry cleaner (mapped facility)53
Hazardous waste transporter44
Toxic chemical release facility (TRI)23
TRI reporting facility21
Scrapyard (mapped facility)16
Solar power plant12
Landfill (mapped facility)11
Major air pollution source9
Wastewater plant (mapped facility)8
Brownfield property4
Large greenhouse gas emitter4
Heliport4
EPA air quality monitor3
Public airport3
Biomass power plant2
Superfund (NPL) site2
Commercial airport1
Correctional facility (prison or jail)1
Crematorium (mapped facility)1
Proposed Superfund site1

Highest-severity records

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

Sauer Dump, Dundalk
Superfund (NPL) site. Hazard Ranking System score 50. NPL Site.
EPA site ID MDD981038334 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 10
Bear Creek Sediments, Sparrows Point
Superfund (NPL) site. Hazard Ranking System score 48. NPL Site.
EPA site ID MDN000305762 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 10
68th Street Dump, Baltimore
Proposed Superfund site. Hazard Ranking System score 50. Proposed NPL Site.
EPA site ID MDD980918387 (U.S. EPA Superfund (SEMS/NPL)) Agency record
Severity 8
Dap Global Inc., Baltimore
TRI reporting facility. Penalties $84,000.
EPA FRS registry ID 110003512002 (U.S. EPA ECHO) Agency record
Severity 7.9
Raven Power Fort Smallwood Llc, Curtis Bay
TRI reporting facility.
EPA FRS registry ID 110038162902 (U.S. EPA ECHO) Agency record
Severity 7.6
Back River Wastewater Treatment Facility, Baltimore
Major air pollution source. Penalties $385,200.
EPA FRS registry ID 110019889888 (U.S. EPA ECHO) Agency record
Severity 7.5
Tilley Distribution, Middle River
Toxic chemical release facility (TRI). Chemicals: Methanol, Styrene, Ethylene glycol, Certain glycol ethers and 4 more. Reports carcinogens. 3,500 lbs released over 5 years.
TRI facility ID 21220TLLYC501CH (U.S. EPA Toxics Release Inventory)
Severity 7.2
Amg Resources Corp, Baltimore
TRI reporting facility.
EPA FRS registry ID 110000339848 (U.S. EPA ECHO) Agency record
Severity 7
Back River Wastewater Treatment Facility, Baltimore
NPDES wastewater discharge permit. Penalties $385,200.
EPA FRS registry ID 110019889888 (U.S. EPA ECHO) Agency record
Severity 7
Tilley Distribution, Middle River
TRI reporting facility.
EPA FRS registry ID 110019855192 (U.S. EPA ECHO) Agency record
Severity 6.2
Rg Steel Sparrows Point Llc, Sparrows Point
NPDES wastewater discharge permit.
EPA FRS registry ID 110000339697 (U.S. EPA ECHO) Agency record
Severity 6
Us Lubricants - Baltimore Plant, Baltimore
TRI reporting facility.
EPA FRS registry ID 110000339722 (U.S. EPA ECHO) Agency record
Severity 6
Btr-5200, Llc, Glen Arm
Large hazardous waste generator.
EPA FRS registry ID 110002453425 (U.S. EPA ECHO) Agency record
Severity 6
Becton Dickinson, Sparks
Large hazardous waste generator. Penalties $12,612.
EPA FRS registry ID 110003505421 (U.S. EPA ECHO) Agency record
Severity 6
Becton Dickinson, Sparks
Large hazardous waste generator. Penalties $46,182.
EPA FRS registry ID 110006509876 (U.S. EPA ECHO) Agency record
Severity 6
Gray & Son, Inc. - Texas Plant, Cockeysville
TRI reporting facility.
EPA FRS registry ID 110023128738 (U.S. EPA ECHO) Agency record
Severity 6
Beynon Sports Surfaces, Inc., Hunt Valley
TRI reporting facility.
EPA FRS registry ID 110043326479 (U.S. EPA ECHO) Agency record
Severity 6
American Yeast, Dundalk
TRI reporting facility. Penalties $44,000.
EPA FRS registry ID 110013980362 (U.S. EPA ECHO) Agency record
Severity 6
Airgas Usa Llc, Dundalk
Toxic chemical release facility (TRI). Chemicals: Propylene. 6,574 lbs released over 5 years.
TRI facility ID 2122WRGSSL813NR (U.S. EPA Toxics Release Inventory)
Severity 5.9
Dap Global Inc, Sparrows Point
Toxic chemical release facility (TRI). Chemicals: Ammonia, Nonylphenol Ethoxylates, Ethylene glycol. 5,615 lbs released over 5 years.
TRI facility ID 21219DPNCX4630N (U.S. EPA Toxics Release Inventory)
Severity 5.9
Mann-Pak, Inc., Middle River
Large hazardous waste generator. Penalties $7,810.
EPA FRS registry ID 110038922020 (U.S. EPA ECHO) Agency record
Severity 5.8
Beynon Sports Surfaces, Hunt Valley
Toxic chemical release facility (TRI). Chemicals: Toluene-2,4-diisocyanate, Toluene-2,6-diisocyanate, Diisocyanates. Reports carcinogens. 30 lbs released over 5 years.
TRI facility ID 2103WBYNNS16ALT (U.S. EPA Toxics Release Inventory)
Severity 5.6
Airgas Usa Llc, Dundalk
TRI reporting facility.
EPA FRS registry ID 110070943524 (U.S. EPA ECHO) Agency record
Severity 5.6
Dap Global Inc., Baltimore
Large hazardous waste generator. Penalties $84,000.
EPA FRS registry ID 110003512002 (U.S. EPA ECHO) Agency record
Severity 5.5
American Yeast Corp, Baltimore
Toxic chemical release facility (TRI). Chemicals: Ammonia. 1,682 lbs released over 5 years.
TRI facility ID 21222MRCNY8215B (U.S. EPA Toxics Release Inventory)
Severity 5.5

Correctional facilities

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

Balto County Jail, Towson
EPA FRS registry ID
110019865608
Wastewater permit
None on record
EPA detailed facility report

Discovery / public records

Records to request for Baltimore County

Maryland 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 Baltimore County, and their findings.
Maryland vital statistics office
Death certificate counts by cause of death and residence tract or ZIP code, and the years behind the mortality measures above.
Maryland health department, environmental epidemiology
Health consultations or assessments by ATSDR or the state health department covering the county, and any exposure investigations.
Maryland 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.
Maryland 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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