UNION ELEC STEEL CORP

NPDES permit PA0002887 · Minor NON-POTW · effective, expires 2029-07-31 · 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

4values over a limit
0required values missing, on 0 form(s)
0of 33 forms filed late

Last period with anything received: 2026-06-30. Most often over: Chlorine, free available (4).

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 (42)

OutfallParameterStatisticLimitMonths
005Temperature, water deg. fahrenheitDAILY MX <= 110 deg F all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedDAILY MX report only all year
005Oil & GreaseINST MAX report only all year
005Copper, total [as Cu]MO AVG report only all year
005Copper, total [as Cu]DAILY MX report only all year
005Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
005Iron, total [as Fe]DAILY MX <= 3 mg/L all year
005Manganese, total [as Mn]MO AVG <= 1 mg/L all year
005Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
005Zinc, total [as Zn]DAILY MX report only all year
005Aluminum, total [as Al]MO AVG <= .75 mg/L all year
005Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Chlorine, total residualMO AVG <= .5 mg/L all year
005Chlorine, total residualINST MAX <= 1.6 mg/L all year
005Chlorine, free availableDAILY MX report only all year
005Perfluorooctanoic acid (PFOA)DAILY MX report only all year
005PerfluorooctanesulfonateDAILY MX report only all year
005Perfluorobutanesulfonic acid (PFBS)DAILY MX report only all year
005Hexafluoropropylene oxide dimer acid (HFPO-DA)DAILY MX report only all year
009pHDAILY MX report only all year
009Solids, total suspendedDAILY MX report only all year
009Oil & GreaseDAILY MX report only all year
009Nitrogen, total [as N]DAILY MX report only all year
009Nitrite + Nitrate total [as N]DAILY MX report only all year
009Phosphorus, total [as P]DAILY MX report only all year
009Iron, total [as Fe]DAILY MX report only all year
009Manganese, total [as Mn]DAILY MX report only all year
009Zinc, total [as Zn]DAILY MX report only all year
009Aluminum, total [as Al]DAILY MX report only all year
105Solids, total suspendedDAILY MX <= 62 mg/L all year
105Oil & GreaseMO AVG <= 15 mg/L all year
105Oil & GreaseINST MAX <= 30 mg/L all year
105Flow, in conduit or thru treatment plantMO AVG report only all year
105Flow, in conduit or thru treatment plantDAILY MX report only all year
205Flow, in conduit or thru treatment plantMO AVG report only all year
205Flow, in conduit or thru treatment plantDAILY MX report only all year
205Chlorine, free availableMO AVG <= .3 mg/L all year
205Chlorine, free availableDAILY MX <= .5 mg/L 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