LAUREL PREP PLT LLC

NPDES permit PA0236306 · Minor NON-POTW · expired, expires 2025-05-13 · 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.

This permit expired on 2025-05-13 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

0values over a limit
74required values missing, on 5 form(s)
0of 11 forms filed late

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

Reporting

Reports are due about 56 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (49)

OutfallParameterStatisticLimitMonths
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 MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX 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
001Chloride [as Cl]INST MAX report only all year
001Chloride [as Cl]INST MAX report only 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 <= 3.8 mg/L all year
001Iron, total [as Fe]INST MAX <= 3.8 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
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 >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Solids, total dissolvedMO AVG <= 5000 lb/d all year
001Solids, total dissolvedMO AVG <= 5000 lb/d all year
001Solids, total dissolvedANNL AVG <= 5000 lb/d all year
001Osmotic pressure, total, unf whl wtrMO AVG <= 50 mOsm/kg all year
001Osmotic pressure, total, unf whl wtrMO AVG <= 50 mOsm/kg all year
001Osmotic pressure, total, unf whl wtrDAILY MX <= 50 mOsm/kg all year
001Osmotic pressure, total, unf whl wtrDAILY MX <= 50 mOsm/kg all year
001Osmotic pressure, total, unf whl wtrINST MAX <= 50 mOsm/kg all year
001Osmotic pressure, total, unf whl wtrINST MAX <= 50 mOsm/kg 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