GRAND ISLAND (T) POTW

NPDES permit NY0027693 · Major POTW · administratively continued, expires 2016-07-31 · 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 2016-07-31 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

5values over a limit
0required values missing, on 0 form(s)
1of 15 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (2), Solids, total suspended (2), Phosphorus, total [as P] (1).

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 (43)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001BOD, 5-day, 20 deg. C3F <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. C7G <= 45 mg/L all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. C3F <= 876 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG <= 876 lb/d all year
001BOD, 5-day, 20 deg. C7G <= 1314 lb/d all year
001BOD, 5-day, 20 deg. C7 DA AVG <= 1314 lb/d all year
001BOD, 5-day, 20 deg. C3F report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspended3F <= 30 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspended7G <= 45 mg/L all year
001Solids, total suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspended3F <= 876 lb/d all year
001Solids, total suspendedMO AVG <= 876 lb/d all year
001Solids, total suspended7G <= 1314 lb/d all year
001Solids, total suspended7 DA AVG <= 1314 lb/d all year
001Solids, total suspended3F report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX <= .3 mL/L all year
001Solids, settleableDAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Phosphorus, total [as P]3B <= 1 mg/L all year
001Phosphorus, total [as P]MO AVG <= 1 mg/L all year
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001Nitrogen, ammonia, total [as NH3]DAILY MX report only all year
001Flow, in conduit or thru treatment plant3B <= 3.5 MGD all year
001Flow, in conduit or thru treatment plantMO AVG <= 3.5 MGD all year
001Chlorine, total residualDAILY MX <= 2 mg/L all year
001Mercury, total [as Hg]DAILY MX report only all year
001Coliform, fecal general30DA GEO <= 200 #/100mL all year
001Coliform, fecal general7 DA GEO <= 400 #/100mL all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Outfall observation,visual, y/n responseNB report only 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