STOCKPORT (T)

NPDES permit NY0268615 · Minor NON-POTW · expired, expires 2024-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-09-30 and is expired: 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

11values over a limit
0required values missing, on 0 form(s)
3of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow rate (11).

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (14)

OutfallParameterStatisticLimitMonths
001Flow rateDAILY MX <= 10000 gal/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Iron, total [as Fe]DAILY AV <= 2 mg/L all year
001Iron, total [as Fe]DAILY MX <= 4 mg/L all year
001Manganese, total [as Mn]DAILY AV <= 2 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
001Aluminum, total [as Al]DAILY AV <= 2 mg/L all year
001Aluminum, total [as Al]DAILY MX <= 4 mg/L all year
001Chlorine, total residualDAILY MX <= .5 mg/L all year
001Solids, total dissolvedDAILY MX <= 300 mg/L 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