SI GROUP, INC

NPDES permit NY0260525 · Minor NON-POTW · effective, expires 2027-07-31 · 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.

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

1values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total dissolved (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among NY permits in EPA's filings — check your permit).

Limits in force (74)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableDAILY AV report only all year
001Solids, settleableDAILY MX <= .1 mL/L all year
001Oil & GreaseDAILY AV report only all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Oil & GreaseDAILY AV report only all year
001Oil & GreaseDAILY MX report only all year
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]DAILY MX <= 90 ug/L all year
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY AV report only all year
001Lead, total [as Pb]DAILY MX <= 80 ug/L all year
001Lead, total [as Pb]DAILY AV report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolvedDAILY AV report only May, Jun, Jul, Aug, Sep
001Solids, total dissolvedDAILY AV report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Solids, total dissolvedDAILY MX <= 1000 mg/L May, Jun, Jul, Aug, Sep
001Solids, total dissolvedDAILY MX <= 1500 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Solids, total dissolvedDAILY AV report only May, Jun, Jul, Aug, Sep
001Solids, total dissolvedDAILY AV report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Solids, total dissolvedDAILY MX report only May, Jun, Jul, Aug, Sep
001Solids, total dissolvedDAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Mercury, total [as Hg]DAILY AV report only all year
001Mercury, total [as Hg]DAILY MX <= 200 ng/L all year
001Mercury, total [as Hg]DAILY AV report only all year
001Mercury, total [as Hg]DAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY AV report only all year
002Solids, total suspendedDAILY MX <= 100 mg/L all year
002Solids, total suspendedDAILY AV report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, settleableDAILY AV report only all year
002Solids, settleableDAILY MX <= .1 mL/L all year
002Oil & GreaseDAILY AV report only all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Oil & GreaseDAILY AV report only all year
002Oil & GreaseDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Solids, total dissolvedDAILY AV report only May, Jun, Jul, Aug, Sep
002Solids, total dissolvedDAILY AV report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Solids, total dissolvedDAILY MX <= 1000 mg/L May, Jun, Jul, Aug, Sep
002Solids, total dissolvedDAILY MX <= 1500 mg/L Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Solids, total dissolvedDAILY AV report only May, Jun, Jul, Aug, Sep
002Solids, total dissolvedDAILY AV report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Solids, total dissolvedDAILY MX report only May, Jun, Jul, Aug, Sep
002Solids, total dissolvedDAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
01ApHMINIMUM >= 6 SU all year
01ApHMAXIMUM <= 9 SU all year
01ASolids, total suspendedDAILY AV report only all year
01ASolids, total suspendedDAILY MX <= 20 mg/L all year
01ASolids, total suspendedDAILY AV report only all year
01ASolids, total suspendedDAILY MX report only all year
01AOil & GreaseDAILY AV report only all year
01AOil & GreaseDAILY MX <= 10 mg/L all year
01AOil & GreaseDAILY AV report only all year
01AOil & GreaseDAILY MX report only all year
01ATotal phenolsMAXIMUM <= 50 ug/L (alert) all year
01ATotal phenolsMAXIMUM report only (alert) all year
01AFlow, in conduit or thru treatment plantDAILY AV report only all year
01AFlow, in conduit or thru treatment plantDAILY MX <= .072 MGD all year
01AChlorine, total residualDAILY AV report only all year
01AChlorine, total residualDAILY MX <= 100 ug/L all year
01AChlorine, total residualDAILY AV report only all year
01AChlorine, total residualDAILY 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