Tom Enlow - Unisea, Inc.

NPDES permit AK0028657 · Major NON-POTW · effective, expires 2029-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

1values over a limit
0required values missing, on 0 form(s)
0of 45 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (1).

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 (75)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001TurbidityMO AVG report only all year
001TurbidityDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 185000 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 297000 lb/d all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Arsenic, total recoverableMO AVG report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Oil and greaseMO AVG report only all year
001Oil and greaseDAILY MX report only all year
001Oil and greaseMO AVG report only all year
001Oil and greaseDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= 7.3 MGD all year
001Chlorine, total residualMO AVG <= .1 mg/L all year
001Chlorine, total residualDAILY MX <= .1 mg/L all year
001Seafood Processing WasteYA report only all year
001Seafood Processing WasteWKLY MAX report only all year
001Coliform, fecal generalMO AVG report only all year
001Coliform, fecal generalDAILY MX report only all year
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX <= 20 deg C all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Arsenic, total recoverableMO AVG report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Oil and greaseMO AVG report only all year
002Oil and greaseDAILY MX report only all year
002Hydrocarbons, aromaticMO AVG report only all year
002Hydrocarbons, aromaticDAILY MX <= 10 ug/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX <= 3.5 MGD all year
002Chlorine, total residualMO AVG <= .1 mg/L all year
002Chlorine, total residualDAILY MX <= .1 mg/L all year
002Hydrocarbon, aqueousMO AVG report only all year
002Hydrocarbon, aqueousDAILY MX <= 15 ug/L all year
002Chemical oxygen demand [COD]MO AVG report only all year
002Chemical oxygen demand [COD]DAILY MX report only all year
003Temperature, water deg. centigradeMO AVG report only all year
003Temperature, water deg. centigradeDAILY MX <= 20 deg C all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 8.5 SU all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Copper, total recoverableMO AVG report only all year
003Copper, total recoverableDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX <= 4.9 MGD all year
003Chlorine, total residualMO AVG <= .1 mg/L all year
003Chlorine, total residualDAILY MX <= .1 mg/L all year
003Coliform, fecal generalMO AVG report only all year
003Coliform, fecal generalDAILY MX 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