NALCO PROD LLC

NPDES permit PA0003824 · Minor NON-POTW · effective, expires 2028-05-31 · 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

0values over a limit
41required values missing, on 3 form(s)
0of 49 forms filed late

Last period with anything received: 2026-07-31.

Reporting

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

Limits in force (113)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Aluminum, total [as Al]DAILY MX report only all year
005Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
005pHDAILY MX report only all year
005Solids, total suspendedDAILY MX report only all year
005Nitrite + Nitrate total [as N]DAILY MX report only all year
005Phosphorus, total [as P]DAILY MX report only all year
005Iron, total [as Fe]DAILY MX report only all year
005Lead, total [as Pb]DAILY MX report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Aluminum, total [as Al]DAILY MX report only all year
006Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
006pHDAILY MX report only all year
006Solids, total suspendedDAILY MX report only all year
006Nitrite + Nitrate total [as N]DAILY MX report only all year
006Phosphorus, total [as P]DAILY MX report only all year
006Iron, total [as Fe]DAILY MX report only all year
006Lead, total [as Pb]DAILY MX report only all year
006Zinc, total [as Zn]DAILY MX report only all year
006Aluminum, total [as Al]DAILY MX report only all year
013Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
013pHDAILY MX report only all year
013Solids, total suspendedDAILY MX report only all year
013Nitrite + Nitrate total [as N]DAILY MX report only all year
013Phosphorus, total [as P]DAILY MX report only all year
013Iron, total [as Fe]DAILY MX report only all year
013Lead, total [as Pb]DAILY MX report only all year
013Zinc, total [as Zn]DAILY MX report only all year
013Aluminum, total [as Al]DAILY MX report only all year
014Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
014pHDAILY MX report only all year
014Solids, total suspendedDAILY MX report only all year
014Nitrite + Nitrate total [as N]DAILY MX report only all year
014Phosphorus, total [as P]DAILY MX report only all year
014Iron, total [as Fe]DAILY MX report only all year
014Lead, total [as Pb]DAILY MX report only all year
014Zinc, total [as Zn]DAILY MX report only all year
014Aluminum, total [as Al]DAILY MX report only all year
016Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
016pHDAILY MX report only all year
016Solids, total suspendedDAILY MX report only all year
016Nitrite + Nitrate total [as N]DAILY MX report only all year
016Phosphorus, total [as P]DAILY MX report only all year
016Iron, total [as Fe]DAILY MX report only all year
016Lead, total [as Pb]DAILY MX report only all year
016Zinc, total [as Zn]DAILY MX report only all year
016Aluminum, total [as Al]DAILY MX report only all year
017Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
017pHDAILY MX report only all year
017Solids, total suspendedDAILY MX report only all year
017Nitrite + Nitrate total [as N]DAILY MX report only all year
017Phosphorus, total [as P]DAILY MX report only all year
017Iron, total [as Fe]DAILY MX report only all year
017Lead, total [as Pb]DAILY MX report only all year
017Zinc, total [as Zn]DAILY MX report only all year
017Aluminum, total [as Al]DAILY MX report only all year
018Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
018pHDAILY MX report only all year
018Solids, total suspendedDAILY MX report only all year
018Nitrite + Nitrate total [as N]DAILY MX report only all year
018Phosphorus, total [as P]DAILY MX report only all year
018Iron, total [as Fe]DAILY MX report only all year
018Lead, total [as Pb]DAILY MX report only all year
018Zinc, total [as Zn]DAILY MX report only all year
018Aluminum, total [as Al]DAILY MX report only all year
101Temperature, water deg. fahrenheitINST MAX <= 110 deg F all year
101pHINST MIN >= 6 SU all year
101pHINST MAX <= 9 SU all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Chlorine, total residualMO AVG <= .5 mg/L all year
101Chlorine, total residualDAILY MX <= 1 mg/L all year
113Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
113pHINST MIN >= 6 SU all year
113pHINST MAX <= 9 SU all year
113Solids, total suspendedMO AVG <= 30 mg/L all year
113Solids, total suspendedINST MAX <= 60 mg/L all year
113Oil & GreaseMO AVG <= 15 mg/L all year
113Oil & GreaseINST MAX <= 30 mg/L all year
113Iron, dissolved [as Fe]INST MAX <= 7 mg/L all year
113Benzene, ethylbenzene, toluene, xylene combinationINST MAX <= .25 mg/L all year
113BenzeneINST MAX <= .0025 mg/L all year
113Polychlorinated biphenyls [PCBs]MO AVG report only all year
113Polychlorinated biphenyls [PCBs]INST MAX report only all year
113Flow, in conduit or thru treatment plantMO AVG report only all year
113Chlorine, total residualMO AVG report only all year
113Chlorine, total residualINST MAX <= .05 mg/L all year
113Flow, totalMO TOTAL report only all year
113Duration of dischargeMO AVG report only all year
201Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
201pHINST MIN >= 6 SU all year
201pHINST MAX <= 9 SU all year
201Solids, total suspendedMO AVG <= 30 mg/L all year
201Solids, total suspendedINST MAX <= 60 mg/L all year
201Oil & GreaseMO AVG <= 15 mg/L all year
201Oil & GreaseINST MAX <= 30 mg/L all year
201Iron, dissolved [as Fe]INST MAX <= 7 mg/L all year
201Benzene, ethylbenzene, toluene, xylene combinationINST MAX <= .25 mg/L all year
201BenzeneINST MAX <= .0025 mg/L all year
201Polychlorinated biphenyls [PCBs]MO AVG report only all year
201Polychlorinated biphenyls [PCBs]INST MAX report only all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Chlorine, total residualMO AVG report only all year
201Chlorine, total residualINST MAX <= .05 mg/L all year
201Flow, totalMO TOTAL report only all year
201Duration of dischargeMO AVG 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