SEQUA CORPORATION

NPDES permit TX0076945 · Minor NON-POTW · effective, expires 2027-11-03 · 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

3values over a limit
0required values missing, on 0 form(s)
3of 39 forms filed late

Last period with anything received: 2026-07-31. Most often over: Zinc, total [as Zn] (2), BOD, 5-day, 20 deg. C (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (78)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY AV report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 75 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 94 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Oil & GreaseDAILY AV <= 3.8 lb/d all year
001Oil & GreaseDAILY MX <= 5.6 lb/d all year
001Cyanide, free [as free]DAILY AV <= .003 lb/d all year
001Cyanide, free [as free]DAILY MX <= .007 lb/d all year
001Copper, total [as Cu]DAILY AV <= .005 lb/d all year
001Copper, total [as Cu]DAILY MX <= .01 lb/d all year
001Lead, total [as Pb]DAILY AV <= .059 lb/d all year
001Lead, total [as Pb]DAILY MX <= .118 lb/d all year
001Nickel, total [as Ni]DAILY AV <= .03 lb/d all year
001Nickel, total [as Ni]DAILY MX <= .064 lb/d all year
001Zinc, total [as Zn]DAILY AV <= .049 lb/d all year
001Zinc, total [as Zn]DAILY MX <= .103 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .045 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .165 MGD all year
101Solids, total suspendedDAILY AV <= 7.5 lb/d all year
101Solids, total suspendedDAILY MX <= 11.3 lb/d all year
101Cyanide, total [as CN]DAILY AV <= .029 lb/d all year
101Cyanide, total [as CN]DAILY MX <= .07 lb/d all year
101Chromium, total [as Cr]DAILY AV <= .07 lb/d all year
101Chromium, total [as Cr]DAILY MX <= .17 lb/d all year
101Iron, total [as Fe]DAILY AV <= .28 lb/d all year
101Iron, total [as Fe]DAILY MX <= .53 lb/d all year
101Aluminum, total [as Al]DAILY AV <= .0004 lb/d all year
101Aluminum, total [as Al]DAILY MX <= .0009 lb/d all year
101Flow, in conduit or thru treatment plantDAILY AV <= .03 MGD all year
101Flow, in conduit or thru treatment plantDAILY MX <= .15 MGD all year
201BOD, 5-day, 20 deg. CDAILY AV <= 20 mg/L all year
201BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
201Solids, total suspendedDAILY AV <= 20 mg/L all year
201Solids, total suspendedDAILY MX <= 45 mg/L all year
201Flow, in conduit or thru treatment plantDAILY AV <= .002 MGD all year
201Flow, in conduit or thru treatment plantDAILY MX <= .004 MGD all year
201Chlorine, total residualMO MIN >= 1 mg/L all year
201Chlorine, total residualMO MAX <= 4 mg/L all year
201EnterococciDAILY AV <= 35 CFU/100mL all year
201EnterococciDAILY MX <= 104 CFU/100mL all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN report only all year
TX1Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN >= 8 % all year
TX1Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)MO AV MN >= 8 % all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TXAWhole effluent toxicity - retest #1SINGSAMP report only all year
TXAWhole effluent toxicity - retest #2SINGSAMP report only all year
TXAWhole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)2E >= 100 % all year
TXAWhole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)MO AV MN >= 100 % all year
TXALC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP 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