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Naval Airsta Whidbey Island -

Federal facility (Sewerage Systems), Oak Harbor, Washington. NPDES permit WA0003468 expired Feb 28, 2016; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (26 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 12 reports late

Limits in force (26)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 213 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 319 lb/dall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 213 lb/dall year
Solids, total suspendedweekly average≤ 319 lb/dall year
Nitrogen, ammonia total [as N]single readingreport only (ug/L)all year
Arsenic, total recoverablesingle readingreport only (ug/L)all year
Silver total recoverablesingle readingreport only (ug/L)all year
Zinc, total recoverablesingle readingreport only (ug/L)all year
Lead, total recoverablesingle readingreport only (ug/L)all year
Copper, total recoverablesingle readingreport only (ug/L)all year
Fecal coliform, MPN, EC med, 44.5 Cmonthly geometric mean≤ 200 #/100mLall year
Fecal coliform, MPN, EC med, 44.5 Cweekly geometric mean≤ 400 #/100mLall year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .052 mg/Lall year
Chlorine, total residualdaily maximum≤ .132 mg/Lall year
Toxicity, final conc toxicity unitsEPA's "RPT/ALAC"report only (toxic)all year
Mercury, total recoverablesingle readingreport only (ug/L)all year
BOD, 5-day, percent removalmonthly minimum≥ 85 %all year
Solids, suspended percent removalmonthly minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Washington'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/WA0003468 · MCP: https://passage-data.com/mcp