TESORO ALASKA PETROLEUM COMPANY

NPDES permit AK0000841 · Major NON-POTW · administratively continued, expires 2022-06-30 · 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 2022-06-30 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

3values over a limit
0required values missing, on 0 form(s)
1of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Phenolics, total recoverable (1), BOD, 5-day, 20 deg. C (1), pH (1).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001ConductivityDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 168 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 314 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 136 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Solids, total suspendedMO AVG <= 223 lb/d Jun, Jul, Aug, Sep
001Solids, total suspendedDAILY MX <= 217 lb/d Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
001Solids, total suspendedDAILY MX <= 349 lb/d Jun, Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 65 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 143 lb/d all year
001Cyanide, total [as CN]MAXIMUM report only all year
001Sulfide, total [as S]MO AVG <= .91 lb/d all year
001Sulfide, total [as S]DAILY MX <= 1.98 lb/d all year
001Chromium, hexavalent [as Cr]MO AVG <= .1 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= .19 lb/d all year
001Chromium, total [as Cr]MO AVG <= 1.29 lb/d all year
001Chromium, total [as Cr]DAILY MX <= 2.43 lb/d all year
001Copper, total recoverableMO AVG <= 73 ug/L all year
001Copper, total recoverableDAILY MX <= 219 ug/L all year
001Oil and greaseMO AVG <= 38 lb/d all year
001Oil and greaseDAILY MX <= 67 lb/d all year
001Phenolics, total recoverableMO AVG <= .62 lb/d all year
001Phenolics, total recoverableDAILY MX <= 1.34 lb/d all year
001Hydrocarbons, aromaticDAILY 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 report only all year
001Hydrocarbon, aqueousDAILY MX report only all year
001Sulfide-hydrogen sulfide [undissociated]DAILY MX report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Chemical Oxygen Demand [COD]MO AVG <= 1084 lb/d all year
001Chemical Oxygen Demand [COD]DAILY MX <= 2002 lb/d all year
001pH range excursions, > 60 minutesTOTAL report only all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
001Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
001Toxicity, ChronicMAXIMUM report only all year
001Toxicity, ChronicMAXIMUM 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