MAGNESITA REFRACTORIES CO

NPDES permit PA0020451 · Minor NON-POTW · effective, expires 2027-01-05 · 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
90required values missing, on 9 form(s)
0of 33 forms filed late

Last period with anything received: 2026-03-31.

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 (33)

OutfallParameterStatisticLimitMonths
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Acidity, total [as CaCO3]INST MAX report only all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Oil & GreaseINST MAX report only all year
004Flow, in conduit or thru treatment plantMO AVG <= 1.09 MGD all year
004Flow, in conduit or thru treatment plantDAILY MX <= 3.7 MGD all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
008pHINST MIN >= 6 SU all year
008pHINST MAX <= 9 SU all year
008Alkalinity, total [as CaCO3]INST MAX report only all year
008Acidity, total [as CaCO3]INST MAX report only all year
008Solids, total suspendedMO AVG <= 35 mg/L all year
008Solids, total suspendedDAILY MX <= 70 mg/L all year
008Solids, total suspendedINST MAX <= 90 mg/L all year
008Oil & GreaseINST MAX report only all year
008Flow, in conduit or thru treatment plantMO AVG <= 1.38 MGD all year
008Flow, in conduit or thru treatment plantDAILY MX <= 4.7 MGD all year
008Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
009pHINST MIN >= 6 SU all year
009pHINST MAX <= 9 SU all year
009Alkalinity, total [as CaCO3]INST MAX report only all year
009Acidity, total [as CaCO3]INST MAX report only all year
009Solids, total suspendedMO AVG <= 35 mg/L all year
009Solids, total suspendedDAILY MX <= 70 mg/L all year
009Solids, total suspendedINST MAX <= 90 mg/L all year
009Oil & GreaseINST MAX report only all year
009Flow, in conduit or thru treatment plantMO AVG <= 3.5 MGD all year
009Flow, in conduit or thru treatment plantDAILY MX <= 4.9 MGD all year
009Alkalinity - Acidity [as CaCO3]INST MIN >= 0 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