Concrete Technology Corp

NPDES permit WA0001864 · Minor NON-POTW · effective, expires 2030-06-30 · 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.

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

0values over a limit
16required values missing, on 2 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31.

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
007CTemperature, water deg. centigradeDAILY MX report only (alert) all year
007CTemperature, water deg. centigradeMO AVG report only (alert) all year
007CTurbidityDAILY MX <= 24 NTU all year
007CTurbidityMO AVG <= 18 NTU all year
007CpHDAILY MN >= 6.5 SU all year
007CpHDAILY MX <= 8.5 SU all year
007CFlowDAILY MX report only (alert) all year
007CFlowMO AVG report only (alert) all year
007STurbidityDAILY MX <= 24 NTU all year
007STurbidityMO AVG <= 18 NTU all year
007SSolids, total suspendedDAILY MX <= 30 mg/L all year
007SSolids, total suspendedMO AVG <= 20 mg/L all year
007SOil and grease, hexane extr methodDAILY MX <= 15 mg/L all year
007SOil and grease, hexane extr methodMO AVG <= 10 mg/L all year
007SCopper, total [as Cu]DAILY MX <= 60 ug/L (alert) all year
007SCopper, total [as Cu]MO AVG report only (alert) all year
007SLead, total [as Pb]DAILY MX <= 222 ug/L (alert) all year
007SLead, total [as Pb]MO AVG report only (alert) all year
007SZinc, total [as Zn]DAILY MX <= 201 ug/L (alert) all year
007SZinc, total [as Zn]MO AVG report only (alert) all year
007SFree Oil Visual SheenMAXIMUM <= 0 N=0;Y=1 (alert) all year
007SFlowSingle Rdg 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