SI GROUP, INC.

NPDES permit WV0022047 · Major NON-POTW · effective, expires 2030-03-20 · 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)
0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: Iron, total recoverable (3).

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among WV permits in EPA's filings — check your permit).

Limits in force (196)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]MO AVG report only all year
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHINST MIN report only all year
001pHINST MAX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Cyanide, free [amenable to chlorination]MO AVG report only all year
001Cyanide, free [amenable to chlorination]DAILY MX report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableMO AVG report only all year
001Iron, total recoverableDAILY MX <= 1.5 mg/L all year
001Iron, total recoverableDAILY MX <= 1.5 mg/L all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Aluminum, total recoverableMO AVG report only all year
001Aluminum, total recoverableMO AVG report only all year
001Aluminum, total recoverableDAILY MX <= 1.76 mg/L all year
001Aluminum, total recoverableDAILY MX <= 1.76 mg/L all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Phenolics, total recoverableMO AVG report only all year
001Phenolics, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temperature, water deg. fahrenheitMO AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX report only all year
002Temp. diff. between samp. & upstrm deg. FMO AVG report only all year
002Temp. diff. between samp. & upstrm deg. FDAILY MX <= 15 deg F all year
002BOD, 5-day, 20 deg. CMO AVG report only all year
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002BOD, 5-day, 20 deg. CMO AVG <= 23 lb/d all year
002BOD, 5-day, 20 deg. CDAILY MX <= 63 lb/d all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedMO AVG <= 31 lb/d all year
002Solids, total suspendedDAILY MX <= 101 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]MO AVG report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Carbon, tot organic [TOC]DAILY MX report only all year
002Cyanide, weak acid, dissociableMO AVG report only all year
002Cyanide, weak acid, dissociableMO AVG report only all year
002Cyanide, weak acid, dissociableDAILY MX report only all year
002Cyanide, weak acid, dissociableDAILY MX report only all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]DAILY MX report only all year
002Chloride [as Cl]DAILY MX report only all year
002Arsenic, total recoverableMO AVG report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Nickel, total recoverableMO AVG report only all year
002Nickel, total recoverableDAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX report only all year
002Aluminum, total recoverableMO AVG report only all year
002Aluminum, total recoverableMO AVG report only all year
002Aluminum, total recoverableDAILY MX report only all year
002Aluminum, total recoverableDAILY MX report only all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableMO AVG report only all year
002Lead, total recoverableDAILY MX report only all year
002Lead, total recoverableDAILY MX report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Phenolics, total recoverableMO AVG report only all year
002Phenolics, total recoverableMO AVG report only all year
002Phenolics, total recoverableDAILY MX report only all year
002Phenolics, total recoverableDAILY MX report only all year
002Phenolics, total recoverableMO AVG report only all year
002Phenolics, total recoverableMO AVG report only all year
002Phenolics, total recoverableDAILY MX report only all year
002Phenolics, total recoverableDAILY MX report only all year
002AcenaphthyleneMO AVG report only all year
002AcenaphthyleneMO AVG report only all year
002AcenaphthyleneDAILY MX report only all year
002AcenaphthyleneDAILY MX report only all year
002AcenaphthyleneMO AVG <= .013 lb/d all year
002AcenaphthyleneMO AVG <= .013 lb/d all year
002AcenaphthyleneDAILY MX <= .035 lb/d all year
002AcenaphthyleneDAILY MX <= .035 lb/d all year
002AcenaphtheneMO AVG report only all year
002AcenaphtheneMO AVG report only all year
002AcenaphtheneDAILY MX report only all year
002AcenaphtheneDAILY MX report only all year
002AcenaphtheneMO AVG <= .013 lb/d all year
002AcenaphtheneMO AVG <= .013 lb/d all year
002AcenaphtheneDAILY MX <= .035 lb/d all year
002AcenaphtheneDAILY MX <= .035 lb/d all year
002AnthraceneMO AVG report only all year
002AnthraceneDAILY MX report only all year
002AnthraceneMO AVG <= .013 lb/d all year
002AnthraceneDAILY MX <= .035 lb/d all year
002Benzo[b]fluorantheneMO AVG report only all year
002Benzo[b]fluorantheneDAILY MX report only all year
002Benzo[b]fluorantheneMO AVG <= .013 lb/d all year
002Benzo[b]fluorantheneDAILY MX <= .036 lb/d all year
002Benzo[k]fluorantheneMO AVG report only all year
002Benzo[k]fluorantheneDAILY MX report only all year
002Benzo[k]fluorantheneMO AVG <= .013 lb/d all year
002Benzo[k]fluorantheneDAILY MX <= .035 lb/d all year
002Benzo[a]pyreneMO AVG report only all year
002Benzo[a]pyreneDAILY MX report only all year
002Benzo[a]pyreneMO AVG <= .013 lb/d all year
002Benzo[a]pyreneDAILY MX <= .036 lb/d all year
002ChryseneMO AVG report only all year
002ChryseneDAILY MX report only all year
002ChryseneMO AVG <= .013 lb/d all year
002ChryseneDAILY MX <= .035 lb/d all year
002FluorantheneMO AVG report only all year
002FluorantheneDAILY MX report only all year
002FluorantheneMO AVG <= .015 lb/d all year
002FluorantheneDAILY MX <= .04 lb/d all year
002FluoreneMO AVG report only all year
002FluoreneMO AVG report only all year
002FluoreneDAILY MX report only all year
002FluoreneDAILY MX report only all year
002FluoreneMO AVG <= .013 lb/d all year
002FluoreneMO AVG <= .013 lb/d all year
002FluoreneDAILY MX <= .035 lb/d all year
002FluoreneDAILY MX <= .035 lb/d all year
002Indeno[1,2,3-cd]pyreneMO AVG report only all year
002Indeno[1,2,3-cd]pyreneMO AVG report only all year
002Indeno[1,2,3-cd]pyreneDAILY MX report only all year
002Indeno[1,2,3-cd]pyreneDAILY MX report only all year
002Benzo[a]anthraceneMO AVG report only all year
002Benzo[a]anthraceneDAILY MX report only all year
002Benzo[a]anthraceneMO AVG <= .013 lb/d all year
002Benzo[a]anthraceneDAILY MX <= .035 lb/d all year
002Dibenz[a,h]anthraceneMO AVG report only all year
002Dibenz[a,h]anthraceneMO AVG report only all year
002Dibenz[a,h]anthraceneDAILY MX report only all year
002Dibenz[a,h]anthraceneDAILY MX report only all year
0022-ChlorophenolMO AVG report only all year
0022-ChlorophenolDAILY MX report only all year
0022-ChlorophenolMO AVG <= .018 lb/d all year
0022-ChlorophenolDAILY MX <= .057 lb/d all year
0022,4-DichlorophenolMO AVG report only all year
0022,4-DichlorophenolMO AVG report only all year
0022,4-DichlorophenolDAILY MX report only all year
0022,4-DichlorophenolDAILY MX report only all year
0022,4-DichlorophenolMO AVG <= .023 lb/d all year
0022,4-DichlorophenolMO AVG <= .023 lb/d all year
0022,4-DichlorophenolDAILY MX <= .066 lb/d all year
0022,4-DichlorophenolDAILY MX <= .066 lb/d all year
0022,4,6-TrichlorophenolMO AVG report only all year
0022,4,6-TrichlorophenolMO AVG report only all year
0022,4,6-TrichlorophenolDAILY MX report only all year
0022,4,6-TrichlorophenolDAILY MX report only all year
002PhenolMO AVG report only all year
002PhenolMO AVG report only all year
002PhenolDAILY MX report only all year
002PhenolDAILY MX report only all year
002PhenolMO AVG <= .009 lb/d all year
002PhenolMO AVG <= .009 lb/d all year
002PhenolDAILY MX <= .015 lb/d all year
002PhenolDAILY MX <= .015 lb/d all year
002Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
002Di[2-ethylhexyl] phthalate [DEHP]MO AVG report only all year
002Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
002Di[2-ethylhexyl] phthalate [DEHP]DAILY MX report only all year
002Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .06 lb/d all year
002Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= .06 lb/d all year
002Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .164 lb/d all year
002Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= .164 lb/d all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Toxicity [acute], Ceriodaphnia dubiaMO AVG report only all year
002Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
002Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only all year
002Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
002Chemical Oxygen Demand [COD]MO AVG report only all year
002Chemical Oxygen Demand [COD]DAILY MX report only all year
002Chemical Oxygen Demand [COD]MO AVG report only all year
002Chemical Oxygen Demand [COD]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