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Lafourche Parish, Louisiana: environmental and disease records

Cancer mortality in Lafourche Parish is 159.4 deaths per 100,000 people per year against a U.S. rate of 143.2, a statistically significant excess. The strongest disease signals are Kidney & renal pelvis deaths at 1.6 times the U.S. rate and Lung & bronchus deaths at 1.3 times the U.S. rate. Federal databases place 2,520 regulated facilities, sites and hazards inside the county, led by Industrial wastewater discharge (1,225), NPDES wastewater discharge permit (793), Air permit holder (minor source) (187). 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: 29.5036, -90.3424.

How this county ranks in Louisiana

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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 Lafourche Parish compared with the United States
Cancer	Measure	County rate	U.S. rate	Times U.S.	95% interval	Years
Kidney & renal pelvis	New cases	31.3	17.9	1.75xSignificant	26.7 to 36.4	2019-2023
Kidney & renal pelvis	Deaths	5.3	3.4	1.56xSignificant	3.6 to 7.5	2020-2024
Lung & bronchus	Deaths	39.5	30.2	1.31xSignificant	34.7 to 44.9	2020-2024
Leukemia	Deaths	7	5.7	1.23x	5 to 9.6	2020-2024
Esophagus	Deaths	4.5	3.7	1.22x	2.9 to 6.6	2020-2024
Liver & bile duct	Deaths	7.9	6.6	1.2x	5.8 to 10.5	2020-2024
Bladder	Deaths	4.8	4.1	1.17x	3.1 to 7	2020-2024
Non-Hodgkin lymphoma	Deaths	5.6	4.8	1.17x	3.8 to 7.9	2020-2024
Leukemia	New cases	16.4	14.5	1.13x	13.2 to 20.1	2019-2023
All cancer	Deaths	159.4	143.2	1.11xSignificant	149.3 to 170	2020-2024
Lung & bronchus	New cases	57.1	51.8	1.1x	51.3 to 63.4	2019-2023
Non-Hodgkin lymphoma	New cases	19.9	18.5	1.08x	16.3 to 24	2019-2023
Liver & bile duct	New cases	9.3	8.7	1.07x	7.1 to 12.1	2019-2023
All cancer	New cases	471	453.4	1.04x	453.3 to 489.3	2019-2023
Bladder	New cases	19.1	18.7	1.02x	15.7 to 23.1	2019-2023
Esophagus	New cases	4.6	4.6	1x	3 to 6.7	2019-2023
Pancreas	Deaths	10.6	11.3	0.94x	8.1 to 13.7	2020-2024
Thyroid	New cases	12	13	0.92x	9.2 to 15.4	2019-2023
Stomach	New cases	5.9	6.6	0.89x	4.1 to 8.4	2019-2023
Brain & nervous system	Deaths	3.8	4.4	0.86x	2.4 to 5.8	2020-2024
Pancreas	New cases	12	13.9	0.86x	9.3 to 15.3	2019-2023
Melanoma of the skin	New cases	16.8	23.8	0.71x	13.5 to 20.8	2019-2023
Brain & nervous system	New cases	4	6.2	0.65x	2.5 to 6.1	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 Lafourche Parish
Measure	County	U.S. median	Difference	Unit
Premature death	10,655.7	9,842.6	+8%	years of life lost before age 75 per 100,000
Life expectancy	74.6	75.3	-1%	years
Child mortality	70.9	59.8	+19%	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	95.7	96.9	-1%	deaths per 100,000
Drug overdose deaths	37.5	28.6	+31%	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.

Formaldehyde20.48 per million
Ethylene Oxide3.91 per million
Carbon Tetrachloride2.91 per million
Acetaldehyde1.66 per million

EPA Air Quality Index 2025

Monitored on 365 days: 246 good, 1 unhealthy for sensitive groups or worse. Median AQI 44, peak 109.

Regulated facilities, sites and hazards by type

2,520 active records inside the county from EPA ECHO, TRI, Superfund, Brownfields, NPDES, EIA, FAA, FRA and corrections data.

Industrial wastewater discharge1,225
NPDES wastewater discharge permit793
Air permit holder (minor source)187
Small hazardous waste generator73
Hazardous waste transporter66
Rail grade crossing49
Gas station (mapped facility)30
Large hazardous waste generator26
Toxic chemical release facility (TRI)16
TRI reporting facility13
Major air pollution source12
Brownfield property12
Heliport6
Public airport3
Large greenhouse gas emitter2
Wastewater plant (mapped facility)2
EPA air quality monitor1
Airfield1
Commercial airport1
Auto repair or body shop (mapped facility)1
Dry cleaner (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.

C-Port I Shore Base Facility, Port Fourchon
TRI reporting facility. Penalties $1,250.
EPA FRS registry ID 110003357947 (U.S. EPA ECHO) Agency record
Severity 8.9
Bollinger Fourchon North, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers), Propylene, Copper compounds, Lead and 3 more. Reports carcinogens. 134,116 lbs released over 5 years.
TRI facility ID 7035WBLLNG236AD (U.S. EPA Toxics Release Inventory)
Severity 8.4
Discovery Producer Services:Larose Cryogenic Plant, Larose
Toxic chemical release facility (TRI). Chemicals: Formaldehyde, n-Hexane, Benzene. Reports carcinogens. 70,160 lbs released over 5 years.
TRI facility ID 7037WDSCVR1474H (U.S. EPA Toxics Release Inventory)
Severity 8.2
Martin Terminal South Yard, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Methanol, Xylene (mixed isomers), Ethylene glycol, Ethylbenzene and 1 more. Reports carcinogens. 68,809 lbs released over 5 years.
TRI facility ID 70357MRTNT365AJ (U.S. EPA Toxics Release Inventory)
Severity 8.2
North American Shipbuilding Llc-Larose Shipyard, Larose
Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers), n-Butyl alcohol, Zinc compounds, Manganese and 4 more. Reports carcinogens. 63,600 lbs released over 5 years.
TRI facility ID 70373NRTHM800IN (U.S. EPA Toxics Release Inventory)
Severity 8.2
C-Port 2 Llc, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Methanol, Ethylbenzene, Naphthalene, Nitrate compounds (water dissociable; reportable only when in aqueous solution). Reports carcinogens. 18,484 lbs released over 5 years.
TRI facility ID 70357CPRT2181ST (U.S. EPA Toxics Release Inventory)
Severity 7.8
Discovery Producer Services Llc - Larose Gas Processing Plant, Larose
Major air pollution source. Penalties $877,575.
EPA FRS registry ID 110009921503 (U.S. EPA ECHO) Agency record
Severity 7.5
Halliburton Port Fourchon North Facility, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Xylene (mixed isomers), Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Methanol, Ethylbenzene and 4 more. Reports carcinogens. 7,561 lbs released over 5 years.
TRI facility ID 7035WHLLBR54NRM (U.S. EPA Toxics Release Inventory)
Severity 7.5
C-Port Llc, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Methanol, Toluene, Xylene (mixed isomers), Naphthalene and 3 more. Reports carcinogens. 5,319 lbs released over 5 years.
TRI facility ID 70357CPRTL169TH (U.S. EPA Toxics Release Inventory)
Severity 7.4
Halliburton Port Fourchon South Facility, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Certain glycol ethers, Lead And Lead Compounds, Zinc compounds, 1,2,4-Trimethylbenzene and 4 more. Reports carcinogens. 2,170 lbs released over 5 years.
TRI facility ID 7035WHLLBR182NR (U.S. EPA Toxics Release Inventory)
Severity 7.1
Martin Operating Ptnr-Fourchon 15, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Methanol, Polycyclic aromatic compounds. Reports carcinogens. 2,164 lbs released over 5 years.
TRI facility ID 7035WMRTNP191AJ (U.S. EPA Toxics Release Inventory)
Severity 7.1
Bollinger Shipyards Lockport Llc, Lockport
Toxic chemical release facility (TRI). Chemicals: Copper, Lead, Manganese, Chromium and 1 more. Reports carcinogens. 2,151 lbs released over 5 years.
TRI facility ID 70374BLLNGLAHWY (U.S. EPA Toxics Release Inventory)
Severity 7.1
Discovery Producer Services Llc - Larose Gas Processing Plant, Larose
NPDES wastewater discharge permit. Penalties $877,575.
EPA FRS registry ID 110009921503 (U.S. EPA ECHO) Agency record
Severity 7
C-Port 2 Llc, Golden Meadow
TRI reporting facility. Penalties $7,000.
EPA FRS registry ID 110013390856 (U.S. EPA ECHO) Agency record
Severity 6.8
North American Shipbuilding Llc - Larose Shipyard, Larose
TRI reporting facility.
EPA FRS registry ID 110000846648 (U.S. EPA ECHO) Agency record
Severity 6.6
C-Port I Shore Base Facility, Port Fourchon
Large hazardous waste generator. Penalties $1,250.
EPA FRS registry ID 110003357947 (U.S. EPA ECHO) Agency record
Severity 6.5
Bollinger Fourchon North, Golden Meadow
TRI reporting facility.
EPA FRS registry ID 110066955343 (U.S. EPA ECHO) Agency record
Severity 6.3
C-Port 3, Golden Meadow
Toxic chemical release facility (TRI). Chemicals: Naphthalene, Ethylbenzene. Reports carcinogens. 144 lbs released over 5 years.
TRI facility ID 7035WCPRTX3ADAM (U.S. EPA Toxics Release Inventory)
Severity 6.2
Discovery Producer Services:Larose Cryogenic Plant, Larose
TRI reporting facility.
EPA FRS registry ID 110000753578 (U.S. EPA ECHO) Agency record
Severity 6
Grand Isle Shipyard Inc, Galliano
Toxic chemical release facility (TRI). Chemicals: Toluene, Manganese, Chromium, Zinc (fume or dust). 7,451 lbs released over 5 years.
TRI facility ID 7035WGRNDS18838 (U.S. EPA Toxics Release Inventory)
Severity 6
Martin Terminal - South Yard, Golden Meadow
TRI reporting facility.
EPA FRS registry ID 110017222450 (U.S. EPA ECHO) Agency record
Severity 5.9
Port Fourchon North, Golden Meadow
TRI reporting facility.
EPA FRS registry ID 110066874154 (U.S. EPA ECHO) Agency record
Severity 5.6
Grand Isle Shipyard Inc - Training Facility & Main Office, Galliano
Large hazardous waste generator.
EPA FRS registry ID 110028005138 (U.S. EPA ECHO) Agency record
Severity 5.5
Thibodaux City Of - North Thibodaux Wwtp, Thibodaux
NPDES wastewater discharge permit.
EPA FRS registry ID 110070373162 (U.S. EPA ECHO) Agency record
Severity 5.5
Halliburton Energy Services, Inc. - Norman Doucet, Golden Meadow
TRI reporting facility.
EPA FRS registry ID 110070725759 (U.S. EPA ECHO) Agency record
Severity 5.4

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 Lafourche Parish

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