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Knife River (KNF): EPA violations and Federal Register

Knife River (KNF) beyond its filings: 5 EPA-regulated facilities in violation, $21K in penalties over five years; 1 Federal Register document in a year.

EPA facilities in violation

Facility (as registered)CityStatusPenalties
KNIFE RIVER KEY ROCKCheney, WASignificant Violation—
KNIFE RIVER INCColville, WASignificant Violation—
KNIFE RIVER MATERIALS - CENTRAL OREGON, Violation Identified—
KNIFE RIVER CORPORATION - NORTH CENTRAL; PORTABLE LOCATIONS STATEWIDEBismarck, NDViolation Identified—

Facilities in the EPA's ECHO register whose registered name matches the company's; a facility can belong to another business of the same name.

Knife River's latest quarter

Knife River, Q3 2026: revenue $1.3B (+6% year over year), operating margin 16.8%, net earnings $138M, operating cash flow $195M. The chart follows the revenue to costs, profit and cash.

Questions

Has Knife River been fined by the EPA?

The 319 EPA-regulated facilities on file under its name drew $21K in penalties over five years; 5 are in violation now.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.