NAVAL AIR STATION WHIDBEY ISLAND

NPDES permit WA0026760 · Minor FEDERAL · administratively continued, expires 2023-12-26 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2023-12-26 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
2required values missing, on 1 form(s)
7of 36 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (76)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]INST MIN report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Alkalinity, total [as CaCO3]MO AVG report only all year
002Solids, total suspendedMO AVG <= 45 mg/L all year
002Solids, total suspendedWKLY AVG <= 65 mg/L all year
002Solids, total suspendedMO AVG <= 214 lb/d all year
002Solids, total suspendedWKLY AVG <= 309 lb/d all year
002Solids, total suspendedMO AVG report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]WKLY AVG report only all year
002Nitrogen, ammonia total [as N]ANNL MAX report only all year
002Nitrogen, Kjeldahl, total [as N]ANNL MAX report only all year
002Nitrite + Nitrate total [as N]ANNL MAX report only all year
002Phosphorus, total [as P]ANNL MAX report only all year
002Oil and greaseANNL MAX report only all year
002Fecal coliform, MPN, EC med, 44.5 CMO GEO <= 200 #/100mL all year
002Fecal coliform, MPN, EC med, 44.5 CWB <= 400 #/100mL all year
002Floating solids, waste or visible foam-visualMO MAX <= 0 N=0;Y=1 all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualMO AVG <= 500 ug/L all year
002Chlorine, total residualWKLY AVG <= 750 ug/L all year
002Chlorine, total residualANNL MAX report only all year
002Chlorine, total residualMO AVG <= 2.37 lb/d all year
002Chlorine, total residualWKLY AVG <= 2.56 lb/d all year
002Toxicity [acute], Ceriodaphnia dubiaMAXIMUM <= 0 pass=0;fail=1 all year
002Toxicity [acute], Pimephales promelas [Fathead Minnow]MAXIMUM <= 0 pass=0;fail=1 all year
002Solids, total dissolvedANNL MAX report only all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L all year
002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 118 lb/d all year
002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 190 lb/d all year
002BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
002BOD, carbonaceous, percent removalMO AV MN >= 85 % all year
002Solids, suspended percent removalMO AV MN >= 65 % all year
GW1Tide stageTOTAL report only all year
GW1pHINST MIN report only all year
GW1pHINST MAX report only all year
GW1SalinityINST MAX report only all year
GW1Nitrogen, ammonia total [as N]INST MAX report only all year
GW1Nitrite + Nitrate total [as N]INST MAX report only all year
GW1Fecal coliform, MPN, EC med, 44.5 CINST MAX report only all year
GW1Depth to water level ft below landsurfaceTOTAL report only all year
GW2Tide stageTOTAL report only all year
GW2pHINST MIN report only all year
GW2pHINST MAX report only all year
GW2SalinityINST MAX report only all year
GW2Nitrogen, ammonia total [as N]INST MAX report only all year
GW2Nitrite + Nitrate total [as N]INST MAX report only all year
GW2Fecal coliform, MPN, EC med, 44.5 CINST MAX report only all year
GW2Depth to water level ft below landsurfaceTOTAL report only all year
GW3Tide stageTOTAL report only all year
GW3pHINST MIN report only all year
GW3pHINST MAX report only all year
GW3SalinityINST MAX report only all year
GW3Nitrogen, ammonia total [as N]INST MAX report only all year
GW3Nitrite + Nitrate total [as N]INST MAX report only all year
GW3Fecal coliform, MPN, EC med, 44.5 CINST MAX report only all year
GW3Depth to water level ft below landsurfaceTOTAL report only all year
GW4Tide stageTOTAL report only all year
GW4pHINST MIN report only all year
GW4pHINST MAX report only all year
GW4SalinityINST MAX report only all year
GW4Nitrogen, ammonia total [as N]INST MAX report only all year
GW4Nitrite + Nitrate total [as N]INST MAX report only all year
GW4Fecal coliform, MPN, EC med, 44.5 CINST MAX report only all year
GW4Depth to water level ft below landsurfaceTOTAL report only all year
GW5Tide stageTOTAL report only all year
GW5pHINST MIN report only all year
GW5pHINST MAX report only all year
GW5SalinityINST MAX report only all year
GW5Nitrogen, ammonia total [as N]INST MAX report only all year
GW5Nitrite + Nitrate total [as N]INST MAX report only all year
GW5Fecal coliform, MPN, EC med, 44.5 CINST MAX report only all year
GW5Depth to water level ft below landsurfaceTOTAL report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states