CERTAINTEED GYPSUM BUCHANAN LLC

NPDES permit NY0006645 · Minor NON-POTW · effective, expires 2027-01-31 · 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.

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

2values over a limit
0required values missing, on 0 form(s)
2of 62 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow rate (2).

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 (39)

OutfallParameterStatisticLimitMonths
002Flow rate3F <= 4000 gal/d all year
002BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Solids, settleableDAILY MX <= .3 mL/L all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Chlorine, total residualDAILY MX <= .15 mg/L May, Jun, Jul, Aug, Sep, Oct
002Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep, Oct
002Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep, Oct
002Coliform, fecal general6F <= 800 #/100mL May, Jun, Jul, Aug, Sep, Oct
002Coliform, fecal generalDAILY MX <= 2400 #/100mL May, Jun, Jul, Aug, Sep, Oct
004Flow rateDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY AV <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 50 mg/L all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Solids, total dissolved [TDS]DAILY MX report only all year
005Flow rateDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedDAILY AV <= 30 mg/L all year
005Solids, total suspendedDAILY MX <= 50 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Solids, total dissolved [TDS]DAILY MX report only all year
007Flow rateDAILY MX report only all year
007pHMINIMUM >= 6 SU all year
007pHMAXIMUM <= 9 SU all year
007Solids, total suspendedDAILY AV <= 30 mg/L all year
007Solids, total suspendedDAILY MX <= 50 mg/L all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Solids, total dissolved [TDS]DAILY MX report only all year
GMWSulfate [as S]DAILY MX report only all year
GMWSulfate [as S]DAILY MX report only all year
GMWSulfate [as S]DAILY MX report only all year
GMWSolids, total dissolved [TDS]DAILY MX report only all year
GMWSolids, total dissolved [TDS]DAILY MX report only all year
GMWSolids, total dissolved [TDS]DAILY MX 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