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Al-Corn Clean Fuel

Industrial or other facility, Claremont, Minnesota. NPDES permit MN0063002, in force until Aug 31, 2027. Last 12 months: over a limit 2 times (last April 2026), 2 of 24 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 46 days after each period: outfall D002 form A1 monthly (16 values), outfall D005 form A1 monthly (16 values)
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
April 2026Solids, total suspended, daily maximum85≤ 44 mg/L93%
April 2026Solids, total suspended, monthly average85≤ 30 mg/L183%

Limits in force (32)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly maximumreport only (umho/cm)all yearD002
Precipitation, total defined period/inmonthly totalreport only (in)all yearD002
pHinstantaneous minimum≥ 6 SUall yearD002
pHinstantaneous maximum≤ 9 SUall yearD002
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD002
Solids, total suspendeddaily maximum≤ 44 mg/Lall yearD002
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD002
Arsenic, total [as As]quarterly maximumreport only (ug/L)Mar, Jun, Sep, DecD002
Organics, gasoline rangemonthly maximumreport only (ug/L)all yearD002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD002
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD002
Ethanolmonthly maximumreport only (ug/L)all yearD002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 37 mg/Lall yearD002
Duration of dischargemonthly totalreport only (d/mo)all yearD002
Specific conductancemonthly maximumreport only (umho/cm)all yearD005
Precipitation, total defined period/inmonthly totalreport only (in)all yearD005
pHinstantaneous minimum≥ 6 SUall yearD005
pHinstantaneous maximum≤ 9 SUall yearD005
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD005
Solids, total suspendeddaily maximum≤ 44 mg/Lall yearD005
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD005
Arsenic, total [as As]quarterly maximumreport only (ug/L)Mar, Jun, Sep, DecD005
Organics, gasoline rangemonthly maximumreport only (ug/L)all yearD005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD005
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD005
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD005
Ethanolmonthly maximumreport only (ug/L)all yearD005
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD005
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 37 mg/Lall yearD005
Duration of dischargemonthly totalreport only (d/mo)all yearD005

How strict are these limits?

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

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/MN0063002 · MCP: https://passage-data.com/mcp