TRI facility · TRI 2024 reporting year

Nucor Steel Sedalia LLC

Total reported releases 82k lb fell meaningfully year over year (-29%). Total releases concentrations have more than doubled since 2020.

500 REBAR RD, Sedalia, Missouri · 331110 · Primary Metals · operated by Nucor CORP

TOTAL RELEASES · 20202024
Bar chart of annual values from 2020 to 2024, in lb. Most recent year (2024): 82k.115k'20'21'22'23'2482k
Anomaly engine

Notable Signals

YEAR-OVER-YEAR SURGE · RELEASE SHIFT

Zinc compounds

Zinc compounds releases at Nucor Steel Sedalia LLC rose from 11k lb to 22k lb (2.1×) between 2023 and 2024.

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS N450

Manganese And Manganese Compounds

48k lb · -43% YoY

Manganese And Manganese Compounds concentrations have more than doubled since 2020.

GENERALCAS N982

Zinc compounds

22k lb · +108% YoY

Zinc compounds concentrations are up 75% since 2020.

RESPIRATORYCAS N090

Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)

9k lb · -47% YoY

Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations have more than doubled since 2020.

PBTCAS N420

Lead And Lead Compounds

2k lb · +33% YoY

Lead And Lead Compounds concentrations have more than doubled since 2020.

GENERALCAS N100

Copper And Copper Compounds

944 lb · -37% YoY

Copper And Copper Compounds concentrations have more than doubled since 2020.

CARCINOGENCAS N495

Nickel And Nickel Compounds

315 lb · -48% YoY

Nickel And Nickel Compounds concentrations have more than doubled since 2020.

PBTCAS N458

Mercury And Mercury Compounds

40 lb · YoY

Mercury And Mercury Compounds concentrations have more than halved since 2020.

PBTCAS N150

Dioxin and dioxin-like compounds

0 lb · +1% YoY

Dioxin and dioxin-like compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Within 3 miles of this facility (25 Census block groups, population-weighted demographics): a population of 23,910. Why we surface this →

POPULATION SHARE
43.5%

Low-income

POPULATION SHARE
23.9%

People of color

POPULATION SHARE
7.4%

Under age 5

POPULATION SHARE
16.1%

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.