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Quest Diagnostics (DGX): EPA violations and Federal Register

Quest Diagnostics (DGX) beyond its filings: 1 EPA-regulated facility in violation, $18K in penalties over five years; 13 Federal Register documents in a year.

EPA facilities in violation

Facility (as registered)CityStatusPenalties
QUEST DIAGNOSTICSDenver, COSignificant Violation—

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.

Quest Diagnostics' latest quarter

Quest Diagnostics, Q3 2026: revenue $3.1B (+10% year over year), operating margin 15.5%, net earnings $312M, operating cash flow $611M. The chart follows the revenue to costs, profit and cash.

Questions

Has Quest Diagnostics been fined by the EPA?

The 99 EPA-regulated facilities on file under its name drew $18K in penalties over five years; 1 is 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.