TRI facility · TRI 2024 reporting year

Dupont Pontchartrain Works

Total reported releases 1.1M lb fell modestly year over year (-6%). Total releases concentrations are up 22% since 2010.

586 HIGHWAY 44, La Place, Louisiana · 325199 · Chemicals · operated by Dupont De Nemours INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 1.1M.1.2M'10'12'14'16'18'20'22'241.1M
Anomaly engine

Notable Signals

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Aniline

Aniline releases at Dupont Pontchartrain Works rose from 24k lb to 52k lb (2.2×) between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

GENERALCAS N511

Nitrate compounds (water dissociable; reportable only when in aqueous solution)

870k lb · -11% YoY

Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations are up 12% since 2010.

GENERALCAS 7664-41-7

Ammonia

69k lb · -2% YoY

Ammonia concentrations are up 99% since 2010.

CARCINOGENCAS 62-53-3

Aniline

52k lb · +121% YoY

Aniline concentrations have more than doubled since 2010.

GENERALCAS 872-50-4

N-Methyl-2-pyrrolidone

17k lb · +125% YoY

N-Methyl-2-pyrrolidone concentrations have fallen 31% since 2010.

RESPIRATORYCAS N230

Certain glycol ethers

15k lb · +39% YoY

Certain glycol ethers concentrations are up 37% since 2010.

CARCINOGENCAS 8001-58-9

Creosote

12k lb · 0% YoY

Creosote concentrations have more than halved since 2014.

GENERALCAS 7697-37-2

Nitric acid

10k lb · -0% YoY

Nitric acid concentrations have more than doubled since 2013.

CARCINOGENCAS 71-43-2

Benzene

4k lb · -1% YoY

Benzene concentrations have more than doubled since 2010.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (19 Census block groups, population-weighted demographics): a population of 29,581. Why we surface this →

POPULATION SHARE
36.5%

Low-income

POPULATION SHARE
69.2%

People of color

POPULATION SHARE
6.0%

Under age 5

POPULATION SHARE
13.9%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.

Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.

What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.