LAUREL PREP PLT LLC

NPDES permit PA0236098 · Minor NON-POTW · expired, expires 2024-01-05 · 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.

This permit expired on 2024-01-05 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
441required values missing, on 21 form(s)
0of 70 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 (294)

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
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 dissolvedINST MAX report only all year
001Solids, total dissolvedINST MAX report only all year
001Osmotic pressure, total, unf whl wtrINST MAX report only all year
001Osmotic pressure, total, unf whl wtrINST MAX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Sulfate, total [as SO4]INST MAX report only all year
002Sulfate, total [as SO4]INST MAX report only all year
002Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
002Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
002Iron, total [as Fe]DAILY MX <= 3 mg/L all year
002Iron, total [as Fe]DAILY MX <= 3 mg/L all year
002Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
002Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
002Manganese, total [as Mn]MO AVG <= 1 mg/L all year
002Manganese, total [as Mn]MO AVG <= 1 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
002Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
002Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
002Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
002Aluminum, total [as Al]MO AVG <= .75 mg/L all year
002Aluminum, total [as Al]MO AVG <= .75 mg/L all year
002Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
002Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
002Aluminum, total [as Al]INST MAX <= .75 mg/L all year
002Aluminum, total [as Al]INST MAX <= .75 mg/L all year
002Flow, in conduit or thru treatment plantINST MAX report only all year
002Flow, in conduit or thru treatment plantINST MAX report only all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Solids, total dissolvedINST MAX report only all year
002Solids, total dissolvedINST MAX report only all year
002Osmotic pressure, total, unf whl wtrINST MAX report only all year
002Osmotic pressure, total, unf whl wtrINST MAX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MAX <= 9 SU all year
003Alkalinity, total [as CaCO3]INST MAX report only all year
003Alkalinity, total [as CaCO3]INST MAX report only all year
003Acidity, total [as CaCO3]INST MAX report only all year
003Acidity, total [as CaCO3]INST MAX report only all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, total suspendedINST MAX <= 90 mg/L all year
003Solids, total suspendedINST MAX <= 90 mg/L all year
003Sulfate, total [as SO4]INST MAX report only all year
003Sulfate, total [as SO4]INST MAX report only all year
003Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
003Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
003Iron, total [as Fe]DAILY MX <= 3 mg/L all year
003Iron, total [as Fe]DAILY MX <= 3 mg/L all year
003Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
003Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
003Manganese, total [as Mn]MO AVG <= 1 mg/L all year
003Manganese, total [as Mn]MO AVG <= 1 mg/L all year
003Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
003Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
003Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
003Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
003Aluminum, total [as Al]MO AVG <= .75 mg/L all year
003Aluminum, total [as Al]MO AVG <= .75 mg/L all year
003Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
003Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
003Aluminum, total [as Al]INST MAX <= .75 mg/L all year
003Aluminum, total [as Al]INST MAX <= .75 mg/L all year
003Flow, in conduit or thru treatment plantINST MAX report only all year
003Flow, in conduit or thru treatment plantINST MAX report only all year
003Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
003Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
003Solids, total dissolvedINST MAX report only all year
003Solids, total dissolvedINST MAX report only all year
003Osmotic pressure, total, unf whl wtrINST MAX report only all year
003Osmotic pressure, total, unf whl wtrINST MAX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Acidity, 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 suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Sulfate, total [as SO4]INST MAX report only all year
004Sulfate, total [as SO4]INST MAX report only all year
004Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
004Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
004Iron, total [as Fe]DAILY MX <= 3 mg/L all year
004Iron, total [as Fe]DAILY MX <= 3 mg/L all year
004Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
004Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
004Manganese, total [as Mn]MO AVG <= 1 mg/L all year
004Manganese, total [as Mn]MO AVG <= 1 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
004Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
004Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
004Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
004Aluminum, total [as Al]MO AVG <= .75 mg/L all year
004Aluminum, total [as Al]MO AVG <= .75 mg/L all year
004Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
004Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
004Aluminum, total [as Al]INST MAX <= .75 mg/L all year
004Aluminum, total [as Al]INST MAX <= .75 mg/L all year
004Flow, in conduit or thru treatment plantINST MAX report only all year
004Flow, in conduit or thru treatment plantINST MAX report only all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
004Solids, total dissolvedINST MAX report only all year
004Solids, total dissolvedINST MAX report only all year
004Osmotic pressure, total, unf whl wtrINST MAX report only all year
004Osmotic pressure, total, unf whl wtrINST MAX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005pHINST MAX <= 9 SU all year
005Alkalinity, total [as CaCO3]INST MAX report only all year
005Alkalinity, total [as CaCO3]INST MAX report only all year
005Acidity, total [as CaCO3]INST MAX report only all year
005Acidity, total [as CaCO3]INST MAX report only all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, total suspendedINST MAX <= 90 mg/L all year
005Solids, total suspendedINST MAX <= 90 mg/L all year
005Sulfate, total [as SO4]INST MAX report only all year
005Sulfate, total [as SO4]INST MAX report only all year
005Iron, total [as Fe]MO AVG <= 1.5 mg/L 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
005Iron, total [as Fe]DAILY MX <= 3 mg/L all year
005Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
005Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
005Manganese, total [as Mn]MO AVG <= 1 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
005Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
005Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
005Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
005Aluminum, total [as Al]MO AVG <= .75 mg/L all year
005Aluminum, total [as Al]MO AVG <= .75 mg/L all year
005Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
005Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
005Aluminum, total [as Al]INST MAX <= .75 mg/L all year
005Aluminum, total [as Al]INST MAX <= .75 mg/L all year
005Flow, in conduit or thru treatment plantINST MAX report only all year
005Flow, in conduit or thru treatment plantINST MAX report only all year
005Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
005Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
005Solids, total dissolvedINST MAX report only all year
005Solids, total dissolvedINST MAX report only all year
005Osmotic pressure, total, unf whl wtrINST MAX report only all year
005Osmotic pressure, total, unf whl wtrINST MAX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006pHINST MAX <= 9 SU all year
006Alkalinity, total [as CaCO3]INST MAX report only all year
006Alkalinity, total [as CaCO3]INST MAX report only all year
006Acidity, total [as CaCO3]INST MAX report only all year
006Acidity, total [as CaCO3]INST MAX report only all year
006Solids, total suspendedMO AVG <= 35 mg/L all year
006Solids, total suspendedMO AVG <= 35 mg/L all year
006Solids, total suspendedDAILY MX <= 70 mg/L all year
006Solids, total suspendedDAILY MX <= 70 mg/L all year
006Solids, total suspendedINST MAX <= 90 mg/L all year
006Solids, total suspendedINST MAX <= 90 mg/L all year
006Sulfate, total [as SO4]INST MAX report only all year
006Sulfate, total [as SO4]INST MAX report only all year
006Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
006Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
006Iron, total [as Fe]DAILY MX <= 3 mg/L all year
006Iron, total [as Fe]DAILY MX <= 3 mg/L all year
006Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
006Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
006Manganese, total [as Mn]MO AVG <= 1 mg/L all year
006Manganese, total [as Mn]MO AVG <= 1 mg/L all year
006Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
006Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
006Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
006Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
006Aluminum, total [as Al]MO AVG <= .75 mg/L all year
006Aluminum, total [as Al]MO AVG <= .75 mg/L all year
006Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
006Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
006Aluminum, total [as Al]INST MAX <= .75 mg/L all year
006Aluminum, total [as Al]INST MAX <= .75 mg/L all year
006Flow, in conduit or thru treatment plantINST MAX report only all year
006Flow, in conduit or thru treatment plantINST MAX report only all year
006Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
006Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
006Solids, total dissolvedINST MAX report only all year
006Solids, total dissolvedINST MAX report only all year
006Osmotic pressure, total, unf whl wtrINST MAX report only all year
006Osmotic pressure, total, unf whl wtrINST MAX report only all year
007pHINST MIN >= 6 SU all year
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007pHINST MAX <= 9 SU all year
007Alkalinity, total [as CaCO3]INST MAX report only all year
007Alkalinity, total [as CaCO3]INST MAX report only all year
007Acidity, total [as CaCO3]INST MAX report only all year
007Acidity, total [as CaCO3]INST MAX report only all year
007Solids, total suspendedMO AVG <= 35 mg/L all year
007Solids, total suspendedMO AVG <= 35 mg/L all year
007Solids, total suspendedDAILY MX <= 70 mg/L all year
007Solids, total suspendedDAILY MX <= 70 mg/L all year
007Solids, total suspendedINST MAX <= 90 mg/L all year
007Solids, total suspendedINST MAX <= 90 mg/L all year
007Sulfate, total [as SO4]INST MAX report only all year
007Sulfate, total [as SO4]INST MAX report only all year
007Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
007Iron, total [as Fe]MO AVG <= 1.5 mg/L all year
007Iron, total [as Fe]DAILY MX <= 3 mg/L all year
007Iron, total [as Fe]DAILY MX <= 3 mg/L all year
007Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
007Iron, total [as Fe]INST MAX <= 3.8 mg/L all year
007Manganese, total [as Mn]MO AVG <= 1 mg/L all year
007Manganese, total [as Mn]MO AVG <= 1 mg/L all year
007Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
007Manganese, total [as Mn]DAILY MX <= 2 mg/L all year
007Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
007Manganese, total [as Mn]INST MAX <= 2.5 mg/L all year
007Aluminum, total [as Al]MO AVG <= .75 mg/L all year
007Aluminum, total [as Al]MO AVG <= .75 mg/L all year
007Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
007Aluminum, total [as Al]DAILY MX <= .75 mg/L all year
007Aluminum, total [as Al]INST MAX <= .75 mg/L all year
007Aluminum, total [as Al]INST MAX <= .75 mg/L all year
007Flow, in conduit or thru treatment plantINST MAX report only all year
007Flow, in conduit or thru treatment plantINST MAX report only all year
007Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
007Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
007Solids, total dissolvedINST MAX report only all year
007Solids, total dissolvedINST MAX report only all year
007Osmotic pressure, total, unf whl wtrINST MAX report only all year
007Osmotic pressure, total, unf whl wtrINST MAX report only all year

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