LANGELOTH METALLURGICAL CO LLC

NPDES permit PA0203424 · Minor NON-POTW · effective, expires 2027-12-15 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
61required values missing, on 4 form(s)
0of 14 forms filed late

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

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 (41)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeINST MAX report only all year
001Temperature, water deg. centigradeINST MAX report only all year
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Alkalinity, total [as CaCO3]INST MIN report only all year
001Alkalinity, total [as CaCO3]INST MIN report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, total suspendedINST MAX <= 90 mg/L all year
001Solids, total suspendedINST MAX <= 90 mg/L all year
001Sulfate, total [as SO4]INST MAX report only all year
001Sulfate, total [as SO4]INST MAX report only all year
001Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
001Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
001Iron, total [as Fe]DAILY MX <= 3 mg/L all year
001Iron, total [as Fe]DAILY MX <= 3 mg/L all year
001Iron, total [as Fe]INST MAX <= 3.7 mg/L all year
001Iron, total [as Fe]INST MAX <= 3.7 mg/L all year
001Manganese, total [as Mn]MO AVG <= 1 mg/L all year
001Manganese, total [as Mn]MO AVG <= 1 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
001Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
001Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
001Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
001Molybdenum, total [as Mo]INST MAX report only all year
001Aluminum, total [as Al]MO AVG <= .75 mg/L all year
001Aluminum, total [as Al]MO AVG <= .75 mg/L all year
001Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
001Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
001Aluminum, total [as Al]INST MAX <= .75 mg/L all year
001Aluminum, total [as Al]INST MAX <= .75 mg/L all year
001Flow, in conduit or thru treatment plantINST MAX report only all year
001Flow, in conduit or thru treatment plantINST MAX report only all year
001Alkalinity - Acidity [as CaCO3]INST MIN report only all year
001Alkalinity - Acidity [as CaCO3]INST MIN 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