TRI facility · TRI 2024 reporting year

Isabella Pearl Mine (006-240-02)

Total reported releases 8k lb rose meaningfully year over year (+19%). Total releases concentrations have more than halved since 2019.

5000 HWY 361, Luning, Nevada · 212220 · Metal Mining · operated by Fortitude Gold CORP

TOTAL RELEASES · 20192024
Bar chart of annual values from 2019 to 2024, in lb. Most recent year (2024): 8k.37k'19'21'22'23'248k
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)

4k lb · +32% YoY

Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2019.

PBTCAS N458

Mercury compounds

4k lb · +7% YoY

Mercury compounds concentrations have more than halved since 2021.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Next To This Facility

Mineral County County, NV (no Census block groups within 3 miles — falling back to containing county): a population of 4,568. Why we surface this →

POPULATION SHARE
18.5%

Low-income

POPULATION SHARE
43.4%

People of color

POPULATION SHARE
3.1%

Under age 5

POPULATION SHARE
28.8%

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.