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HPI Products, Inc.

Agricultural Chemicals, St Joseph, Missouri. NPDES permit MO0136735, in force until Mar 31, 2027. Last 12 months: no values over a limit, 63 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (7 values), outfall 002 form Q quarterly (7 values), outfall 004 form Q quarterly (6 values), outfall 001 form A yearly, outfall 001 form WA every 60 months, outfall 002 form A yearly, and 3 more forms
Renewal application due
Oct 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
None
Oct 2024 – Sep 2025
0 values over a limit, 83 required values missing, 0 of 15 reports late

Limits in force (29)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Oil and grease [soxhlet extr.] tot.daily maximumreport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (ug/L)all year001
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year001
Pesticides, generaldaily maximumreport only (ug/L)all year001
Storm water flowdaily maximumreport only (MGD)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil and grease [soxhlet extr.] tot.daily maximumreport only (mg/L)all year002
Zinc, total recoverabledaily maximumreport only (ug/L)all year002
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year002
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year002
Pesticides, generaldaily maximumreport only (ug/L)all year002
Storm water flowdaily maximumreport only (MGD)all year002
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year004
pHminimum≥ 6.5 SUall year004
pHmaximum≤ 9 SUall year004
Oil and grease [soxhlet extr.] tot.daily maximumreport only (mg/L)all year004
Zinc, total recoverabledaily maximumreport only (ug/L)all year004
Toxicity [acute], Ceriodaphnia dubiadaily maximumreport only (toxic)all year004
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximumreport only (toxic)all year004
Pesticides, generaldaily maximumreport only (ug/L)all year004
Storm water flowdaily maximumreport only (MGD)all year004

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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MO0136735 · MCP: https://passage-data.com/mcp