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Expert Management, Inc.

Explosives, Carthage, Missouri. NPDES permit MO0002453, in force until Aug 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 004 form A yearly, outfall 018 form A yearly
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
December 2025
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 2 reports late

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year004
pHmaximum≤ 9 SUall year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year004
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year004
2,4-Dinitrotoluenedaily maximumreport only (ug/L)all year004
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year004
Perchlorate [ClO4]daily maximumreport only (ug/L)all year004
Storm water flowdaily maximumreport only (MGD)all year004
pHminimum≥ 6.5 SUall year018
pHmaximum≤ 9 SUall year018
Solids, total suspendeddaily maximumreport only (mg/L)all year018
Nitrogen, total [as N]daily maximumreport only (mg/L)all year018
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year018
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year018
2,4-Dinitrotoluenedaily maximumreport only (ug/L)all year018
2,6-Dinitrotoluenedaily maximumreport only (ug/L)all year018
Perchlorate [ClO4]daily maximumreport only (ug/L)all year018
Storm water flowdaily maximumreport only (MGD)all year018

How strict are these limits?

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

Same industry: the 22 Chemicals and Allied Products permits in Missouri.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0002453 · MCP: https://passage-data.com/mcp