HEIDELBERG MATERIALS NE LLC

NPDES permit PA0594148 · Minor NON-POTW · effective, expires 2029-03-15 · 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

2values over a limit
39required values missing, on 3 form(s)
0of 11 forms filed late

Last period with anything received: 2026-03-31. Most often over: Flow, in conduit or thru treatment plant (2).

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 (27)

OutfallParameterStatisticLimitMonths
001TurbidityMO AVG <= 40 NTU all year
001TurbidityMO AVG <= 40 NTU all year
001TurbidityDAILY MX <= 80 NTU all year
001TurbidityDAILY MX <= 80 NTU all year
001TurbidityINST MAX <= 100 NTU all year
001TurbidityINST MAX <= 100 NTU 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 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
001Oil & GreaseINST MAX report only all year
001Flow, in conduit or thru treatment plantMO AVG <= 4 MGD all year
001Flow, in conduit or thru treatment plantMO AVG <= 4 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 4 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 4 MGD all year
001Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
001Alkalinity - 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