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Consolidated Grain and Barge Co. - CGB Marine Osceola

Marine Cargo Handling, Osceola, Arkansas. NPDES permit AR0052990, in force until Nov 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (22 values), outfall 002 form A monthly (22 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year001
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year001
Oxygen demand, chem. [low level] [COD]monthly average≤ 350 mg/Lall year001
Oxygen demand, chem. [low level] [COD]daily maximum≤ 525 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 150 mg/Lall year001
Solids, total suspendeddaily maximum≤ 225 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasemonthly averagereport only (lb/d)all year001
Oil & Greasedaily maximumreport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Iron, total recoverablemonthly averagereport only (mg/L)all year001
Iron, total recoverabledaily maximumreport only (mg/L)all year001
Aluminum, total recoverablemonthly averagereport only (mg/L)all year001
Aluminum, total recoverabledaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year002
Oxygen, dissolved [DO]instantaneous minimumreport only (mg/L)all year002
Oxygen demand, chem. [low level] [COD]monthly average≤ 350 mg/Lall year002
Oxygen demand, chem. [low level] [COD]daily maximum≤ 525 mg/Lall year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 150 mg/Lall year002
Solids, total suspendeddaily maximum≤ 225 mg/Lall year002
Oil & Greasemonthly average≤ 10 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Oil & Greasemonthly averagereport only (lb/d)all year002
Oil & Greasedaily maximumreport only (lb/d)all year002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Iron, total recoverablemonthly averagereport only (mg/L)all year002
Iron, total recoverabledaily maximumreport only (mg/L)all year002
Aluminum, total recoverablemonthly averagereport only (mg/L)all year002
Aluminum, total recoverabledaily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

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

Same industry: the 6 Water Transportation permits in Arkansas.

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Your permit document is the final word. As JSON: /api/v1/permits/AR0052990 · MCP: https://passage-data.com/mcp