The Doe Run Company

NPDES permit MO0000086 · Major NON-POTW · effective, expires 2030-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

10values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

Last period with anything received: 2026-07-31. Most often over: Zinc, total recoverable (2), Cadmium, total recoverable (2), Lead, total recoverable (2).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (60)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
002Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
002Zinc, total recoverableDAILY MX <= 227.7 ug/L all year
002Zinc, total recoverableMO AVG <= 113.5 ug/L all year
002Cadmium, total recoverableDAILY MX <= 2.58 ug/L all year
002Cadmium, total recoverableMO AVG <= 1.01 ug/L all year
002Lead, total recoverableDAILY MX <= 12.4 ug/L all year
002Lead, total recoverableMO AVG <= 6.2 ug/L all year
002Copper, total recoverableDAILY MX <= 40.1 ug/L all year
002Copper, total recoverableMO AVG <= 20 ug/L all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 1.6 toxic all year
002Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 1.6 toxic all year
002Mercury, total recoverableDAILY MX <= 2 ug/L all year
002Mercury, total recoverableMO AVG <= 1 ug/L all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MX report only all year
004Zinc, total recoverableDAILY MX report only all year
004Cadmium, total recoverableDAILY MX report only all year
004Lead, total recoverableDAILY MX report only all year
004Copper, total recoverableDAILY MX report only all year
004RainfallDAILY MX report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Mercury, total recoverableDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY MX report only all year
005Zinc, total recoverableDAILY MX report only all year
005Cadmium, total recoverableDAILY MX report only all year
005Lead, total recoverableDAILY MX report only all year
005Copper, total recoverableDAILY MX report only all year
005RainfallDAILY MX report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Mercury, total recoverableDAILY MX report only all year
006pHMINIMUM >= 6.5 SU all year
006pHMAXIMUM <= 9 SU all year
006Solids, total suspendedDAILY MX report only all year
006Zinc, total recoverableDAILY MX report only all year
006Cadmium, total recoverableDAILY MX report only all year
006Lead, total recoverableDAILY MX report only all year
006Copper, total recoverableDAILY MX report only all year
006RainfallDAILY MX report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Mercury, total recoverableDAILY MX report only all year
008pHMINIMUM >= 6.5 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX report only all year
008Zinc, total recoverableDAILY MX report only all year
008Cadmium, total recoverableDAILY MX report only all year
008Lead, total recoverableDAILY MX report only all year
008Copper, total recoverableDAILY MX report only all year
008RainfallDAILY MX report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008Mercury, total recoverableDAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states