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Sawmills And Planing Mills, General, Ketchikan, Alaska. NPDES permit AK0053384, in force until Jun 30, 2031. Last 12 months: over a limit once (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (34 values), form B monthly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 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
February 2026Oxygen, dissolved [DO], daily maximum23.9 mg/L≤ 17 mg/L41%

Limits in force (49)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
Oxygen, dissolved [DO]minimum≥ 2 mg/Lall year
Oxygen, dissolved [DO]daily maximum≤ 17 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 60 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 6.3 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 12.5 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 9.4 lb/dall year
pHdaily minimum≥ 6.5 SUall year
pHminimum≥ 6 SUall year
pHdaily maximum≤ 8.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 6.3 lb/dall year
Solids, total suspendeddaily maximum≤ 12.5 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 9.4 lb/dall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily minimumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ .025 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .1 mg/Lall year
Chlorine, total residualmonthly average≤ .5 mg/Lall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
Chlorine, total residualmonthly average≤ .1 lb/dall year
Chlorine, total residualdaily maximum≤ .21 lb/dall year
Chlorine, total residualweekly average≤ .75 mg/Lall year
Chlorine, total residualweekly average≤ .16 lb/dall year
Enterococcimonthly geometric mean≤ 35 CFU/100mLMay–Sep
Enterococcidaily maximum≤ 130 CFU/100mLMay–Sep
Enterococcidaily maximumreport only (#/100mL)May–Sep
Coliform, fecal generalmonthly geometric mean≤ 14 #/100mLall year
Coliform, fecal generalmonthly geometric mean≤ 200 #/100mLall year
Coliform, fecal generaldaily maximum≤ 43 #/100mLall year
Coliform, fecal generaldaily maximum≤ 800 #/100mLall year
Coliform, fecal generalweekly geometric mean≤ 400 #/100mLall year
BOD, 5-day, percent removalminimum≥ 85 %all year
Solids, suspended percent removalminimum≥ 85 %all year

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/AK0053384 · MCP: https://passage-data.com/mcp