Phillips 66 Company

NPDES permit WA0991035 · Minor NON-POTW · administratively continued, expires 2025-10-31 · 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.

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

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

Last period with anything received: 2025-10-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among WA permits in EPA's filings — check your permit).

Limits in force (10)

OutfallParameterStatisticLimitMonths
MP1pHDAILY MN >= 6 SU all year
MP1pHDAILY MX <= 9 SU all year
MP1Lead, total [as Pb]DAILY MX <= 1.4 ug/L all year
MP1Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= 100 ug/L all year
MP1BenzeneDAILY MX <= 2 ug/L all year
MP1Vinyl chlorideDAILY MX report only (alert) all year
MP1Total Petroleum Hydrocarbons - DieselDAILY MX <= 5 mg/L all year
MP1Total Petroleum Hydrocarbons - GasolineDAILY MX <= 1 mg/L all year
MP1FlowDAILY MX <= 14400 gal/d all year
MP1TrichloroetheneDAILY MX report only (alert) 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