SEATTLE IRON AND METALS CORPORATION

NPDES permit WA0031968 · Minor NON-POTW · administratively continued, expires 2018-09-30 · 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 2018-09-30 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
10required values missing, on 9 form(s)
0of 12 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 (46)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6 SU all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedAVERAGE report only (alert) all year
001Solids, total suspendedAVERAGE report only (alert) all year
001Nitrogen, ammonia total [as N]AVERAGE <= 21 mg/L all year
001Nitrogen, ammonia total [as N]AVERAGE <= 21 mg/L all year
001Copper, total [as Cu]AVERAGE <= 13.2 ug/L all year
001Copper, total [as Cu]AVERAGE <= 13.2 ug/L all year
001Lead, total [as Pb]AVERAGE <= 52 ug/L all year
001Lead, total [as Pb]AVERAGE <= 52 ug/L all year
001Silver, total [as Ag]AVERAGE <= 5.9 ug/L all year
001Silver, total [as Ag]AVERAGE <= 5.9 ug/L all year
001Zinc, total [as Zn]AVERAGE <= 245 ug/L all year
001Zinc, total [as Zn]AVERAGE <= 245 ug/L all year
001Butyl benzyl phthalateMAXIMUM report only (alert) all year
001Butyl benzyl phthalateMAXIMUM report only (alert) all year
001FluorantheneMAXIMUM report only (alert) all year
001FluorantheneMAXIMUM report only (alert) all year
001HexachloroethaneMAXIMUM report only all year
001N-NitrosodiphenylamineMAXIMUM report only (alert) all year
001N-NitrosodiphenylamineMAXIMUM report only (alert) all year
0011,2-DichlorobenzeneMAXIMUM report only (alert) all year
0011,2-DichlorobenzeneMAXIMUM report only (alert) all year
0011,2,4-TrichlorobenzeneMAXIMUM report only (alert) all year
0011,2,4-TrichlorobenzeneMAXIMUM report only (alert) all year
0011,4-DichlorobenzeneMAXIMUM report only (alert) all year
0011,4-DichlorobenzeneMAXIMUM report only (alert) all year
001Polychlorinated biphenyls [PCBs]AVERAGE <= .5 ug/L all year
001Polychlorinated biphenyls [PCBs]AVERAGE <= .5 ug/L all year
001HexachlorobenzeneMAXIMUM report only (alert) all year
001HexachlorobenzeneMAXIMUM report only (alert) all year
001HexachlorobutadieneMAXIMUM report only (alert) all year
001PhenolsMAXIMUM report only (alert) all year
001PhenolsMAXIMUM report only (alert) all year
001Mercury, total [as Hg]AVERAGE <= .73 ug/L all year
001Mercury, total [as Hg]AVERAGE <= .73 ug/L all year
001FlowAVERAGE report only (alert) all year
001FlowAVERAGE report only (alert) all year
001Chemical oxygen demand [COD]AVERAGE report only (alert) all year
001Chemical oxygen demand [COD]AVERAGE report only (alert) all year
001Chemical oxygen demand [COD]MAXIMUM report only (alert) all year
001Chemical oxygen demand [COD]MAXIMUM report only (alert) all year
001Hydrocarbons, total petroleumAVERAGE report only (alert) all year
001Hydrocarbons, total petroleumAVERAGE 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