Simplot Phosphates - Phosphate Fertilizer Plant

What they make

Where it is

Other plants nearby

No other listed facility within 40 km shares this one’s four-digit industry code, or this record has no coordinates to measure from.

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, CEDRI, E-GGRT, EGRID, EIA-860, ICIS, RBLC, RCRAINFO, SFDW, TRIS, TSCA, WDEQ · EPA site type STATIONARY.

• EIA Form 923 operations surveyOPERATING
  first seen JUN 2026 · last seen JUL 2026
• EPA ECHO compliance recordsOPERATING
  first seen JUN 2026 · last seen JUN 2026
• EIA Form 860 generator surveyEXISTENCE
  first seen DEC 2025 · last seen DEC 2025
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110000600369 · first seen MAY 2023 · last seen MAY 2023

IN SWEETWATER COUNTY1 other plant shares this one’s industry (Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing, NAICS 3253); 0 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: SIMPLOT PHOSPHATES - PHOSPHATE FERTILIZER PLANT · OCT 2026

Street address

EPA: 515 WY-430 · OCT 2026

City

EPA: ROCK SPRINGS · OCT 2026

State

EPA: WY · OCT 2026

County (FIPS code)

EPA: 56037 · OCT 2026

Coordinates

EPA: 41.5414,-109.131 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: VSQG · OCT 2026