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The Doe Run Company

Lead And Zinc Ores, major discharger, Bunker, Missouri. NPDES permit MO0100218 expired Mar 31, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (12 values), outfall 001 form Q quarterly (2 values), outfall 003 form Q quarterly (12 values), outfall 004 form Q quarterly (12 values), outfall 001 form A yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 25 reports late

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Thallium, total recoverabledaily maximumreport only (ug/L)all year001
Thallium, total recoverablemonthly averagereport only (ug/L)all year001
Nickel, total recoverabledaily maximumreport only (ug/L)all year001
Nickel, total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverabledaily maximum≤ 280 ug/Lall year001
Zinc, total recoverablemonthly average≤ 135.4 ug/Lall year001
Cadmium, total recoverabledaily maximum≤ 2.9 ug/Lall year001
Cadmium, total recoverablemonthly average≤ 1.5 ug/Lall year001
Lead, total recoverabledaily maximum≤ 18.5 ug/Lall year001
Lead, total recoverablemonthly average≤ 8.3 ug/Lall year001
Copper, total recoverabledaily maximum≤ 300 ug/Lall year001
Copper, total recoverablemonthly average≤ 150 ug/Lall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Toxicity [chronic], Ceriodaphnia dubiavalue≤ 1.1 toxicall year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]value≤ 1.1 toxicall year001
Mercury, total recoverabledaily maximum≤ 2 ug/Lall year001
Mercury, total recoverablemonthly average≤ 1 ug/Lall year001
pHminimum≥ 6.5 SUall year003
pHmaximum≤ 9 SUall year003
Solids, total suspendeddaily maximum≤ 30 mg/Lall year003
Thallium, total recoverabledaily maximumreport only (ug/L)all year003
Lead, dissolved [as Pb]daily maximum≤ 114.4 ug/Lall year003
Nickel, total recoverabledaily maximumreport only (ug/L)all year003
Zinc, total recoverabledaily maximum≤ 184.1 ug/Lall year003
Cadmium, total recoverabledaily maximum≤ 8 ug/Lall year003
Copper, total recoverabledaily maximumreport only (ug/L)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Mercury, dissolved [as Hg]daily maximumreport only (ug/L)all year003
Precipitation volumedaily maximumreport only (in/d)all year003
pHminimum≥ 6.5 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendeddaily maximum≤ 30 mg/Lall year004
Thallium, total recoverabledaily maximumreport only (ug/L)all year004
Lead, dissolved [as Pb]daily maximum≤ 114.4 ug/Lall year004
Nickel, total recoverabledaily maximumreport only (ug/L)all year004
Zinc, total recoverabledaily maximum≤ 184.1 ug/Lall year004
Cadmium, total recoverabledaily maximum≤ 8 ug/Lall year004
Copper, total recoverabledaily maximumreport only (ug/L)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Mercury, dissolved [as Hg]daily maximumreport only (ug/L)all year004
Precipitation volumedaily maximumreport only (in/d)all year004

How strict are these limits?

Cited limits by parameter: Missouri's rules and the federal ones.

Same industry: the 12 Metal Mining permits in Missouri.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0100218 · MCP: https://passage-data.com/mcp