Alon Asphalt Company

NPDES permit WA0031704 · Minor NON-POTW · administratively continued, expires 2022-09-30 · 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 2022-09-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 15 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 (22)

OutfallParameterStatisticLimitMonths
MP2Temperature, water deg. centigradeAVERAGE report only (alert) all year
MP2Temperature, water deg. centigradeAVERAGE report only (alert) all year
MP2Temperature, water deg. centigradeDAILY MX report only (alert) all year
MP2Temperature, water deg. centigradeDAILY MX report only (alert) all year
MP2pHDAILY MN >= 6 SU all year
MP2pHDAILY MN >= 6 SU all year
MP2pHDAILY MX <= 9 SU all year
MP2pHDAILY MX <= 9 SU all year
MP2Lead, total [as Pb]DAILY MX report only (alert) all year
MP2Lead, total [as Pb]DAILY MX report only (alert) all year
MP2Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= 100 ug/L all year
MP2Benzene, ethylbenzene, toluene, xylene combinationDAILY MX <= 100 ug/L all year
MP2BenzeneDAILY MX <= 5 ug/L all year
MP2BenzeneDAILY MX <= 5 ug/L all year
MP2Total Petroleum Hydrocarbons - DieselDAILY MX <= 500 ug/L all year
MP2Total Petroleum Hydrocarbons - DieselDAILY MX <= 500 ug/L all year
MP2Total Petroleum Hydrocarbons - GasolineDAILY MX <= 800 ug/L all year
MP2Total Petroleum Hydrocarbons - GasolineDAILY MX <= 800 ug/L all year
MP2FlowDAILY MX <= 216000 gal/d all year
MP2FlowDAILY MX <= 216000 gal/d all year
MP2Oil and grease visualDAILY MX <= 0 N=0;Y=1 all year
MP2Oil 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