TRI facility · TRI 2024 reporting year

Brock Grain Systems

Total reported releases 15 lb rose meaningfully year over year (+31%). Total releases concentrations have more than doubled since 2010.

611 N HIGBEE ST, Milford, Indiana · 333111 · Machinery · operated by Berkshire Hathaway INC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 15.15'10'12'14'16'20'22'2415
Anomaly engine

Notable Signals

No notable signals at this facility for the current reporting year. See chemicals and equity context below for the full picture.

Chemicals reported · most recent year

What This Facility Releases

RESPIRATORYCAS 7439-96-5

Manganese

9 lb · +6% YoY

Manganese concentrations have more than doubled since 2019.

RESPIRATORYCAS 7440-47-3

Chromium

3 lb · +75% YoY

Chromium concentrations are up 51% since 2019.

CARCINOGENCAS 7440-02-0

Nickel

2 lb · +152% YoY

Nickel concentrations are roughly unchanged from 2019.

GENERALCAS 7440-50-8

Copper

1 lb · YoY

Copper volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.

PBTCAS 7439-92-1

Lead

0 lb · -26% YoY

Lead 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 (2 Census block groups, population-weighted demographics): a population of 2,567. Why we surface this →

POPULATION SHARE
23.3%

Low-income

POPULATION SHARE
14.1%

People of color

POPULATION SHARE
5.6%

Under age 5

POPULATION SHARE
17.8%

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.