Alon Asphalt Company

NPDES permit WA0003239 · Minor NON-POTW · administratively continued, expires 2024-09-30 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 26 forms filed late

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

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 (18)

OutfallParameterStatisticLimitMonths
MP1Temperature, water deg. centigradeAVERAGE report only (alert) all year
MP1Temperature, water deg. centigradeDAILY MX report only (alert) all year
MP1pHDAILY MN >= 6 SU all year
MP1pHDAILY MX <= 9 SU all year
MP1Solids, total suspendedDAILY MX <= 45 mg/L all year
MP1Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
MP1Copper, total [as Cu]DAILY MX report only (alert) all year
MP1Nickel, total [as Ni]DAILY MX report only (alert) all year
MP1Zinc, total [as Zn]DAILY MX report only (alert) all year
MP1BenzeneDAILY 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 <= 936000 gal/d all year
MP1Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
MP3pHDAILY MN report only (alert) all year
MP3pHDAILY MX report only (alert) all year
MP3Oil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
MP3Oil and grease visualDAILY MX <= 0 N=0;Y=1 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