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David A. Persinger- AWWU

Sewage treatment plant, major discharger, Girdwood, Alaska. NPDES permit AK0047856 expired Oct 3, 2005; its limits still apply. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (27 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026Flow, in conduit or thru treatment plant, monthly average.664 MGD≤ .6 MGD11%

Limits in force (29)

ParameterStatisticLimitMonths
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≤ 150 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 300 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≤ 225 lb/dall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Solids, total suspendedmonthly average≤ 150 lb/dall year
Solids, total suspendeddaily maximum≤ 300 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 225 lb/dall year
Copper, total recoverablemonthly average≤ 42 ug/LMar, Jun, Sep, Dec
Copper, total recoverabledaily maximum≤ 57 ug/LMar, Jun, Sep, Dec
Copper, total recoverablemonthly average≤ .21 lb/dMar, Jun, Sep, Dec
Copper, total recoverabledaily maximum≤ .29 lb/dMar, Jun, Sep, Dec
Fecal coliform, MPN, EC med, 44.5 Cgeometric mean≤ 100 #/100mLall year
Fecal coliform, MPN, EC med, 44.5 Cdaily maximum≤ 200 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cmonthly geometric mean≤ 100 #/100mLall year
Coliform, fecal MF, MFC broth, 44.5 Cdaily maximum≤ 200 #/100mLall year
Flow, in conduit or thru treatment plantmonthly average≤ .6 MGDall year
Flow, in conduit or thru treatment plantdaily maximum≤ 2.6 MGDall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
BOD, 5-day, percent removalminimum % removal≥ 85 %all year
Solids, suspended percent removalminimum % removal≥ 85 %all year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AK0047856 · MCP: https://passage-data.com/mcp