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U.S. Army Corps - W.G. Huxtable Pumping Plant

Federal facility (General Government), Marianna, Arkansas. NPDES permit AR0036897, in force until Jan 31, 2027. Last 12 months: no values over a limit, 8 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (2 values), form Q quarterly (17 values)
Renewal application due
Aug 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 7 of 18 reports late

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ .13 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ .19 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ .13 lb/dall year
Solids, total suspendeddaily maximum≤ .19 lb/dall year
Oil & Greasemonthly average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ .04 lb/dall year
Oil & Greasedaily maximum≤ .06 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLOct–Dec
Coliform, fecal general30-day geometric mean≤ 200 #/100mLJul–Sep
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan–Apr
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay, Jun
Coliform, fecal general7-day geometric mean≤ 1000 #/100mLOct–Dec
Coliform, fecal general7-day geometric mean≤ 400 #/100mLJul–Sep
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan–Apr
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay, Jun

How strict are these limits?

Cited limits by parameter: Arkansas'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/AR0036897 · MCP: https://passage-data.com/mcp