TRI facility · TRI 2024 reporting year

Nelson Brothers Mining Services LLC

Total reported releases 70 lb fell sharply year over year (-43%). Total releases concentrations have more than halved since 2010.

2115 BISHOP RD, Gillette, Wyoming · 325920 · Chemicals · operated by Nelson Brothers LLC

TOTAL RELEASES · 20102024
Bar chart of annual values from 2010 to 2024, in lb. Most recent year (2024): 70.651'10'12'14'16'18'20'22'2470
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

GENERALCAS N511

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

64 lb · -45% YoY

Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.

GENERALCAS 7664-41-7

Ammonia

6 lb · 0% YoY

Ammonia concentrations have more than halved since 2010.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Campbell County County, WY (no Census block groups within 3 miles — falling back to containing county): a population of 46,857. Why we surface this →

POPULATION SHARE
9.5%

Low-income

POPULATION SHARE
13.9%

People of color

POPULATION SHARE
7.8%

Under age 5

POPULATION SHARE
11.5%

Over age 64

Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.