HEIDELBERG MATERIALS NE LLC

NPDES permit PA0596639 · Minor NON-POTW · effective, expires 2030-09-19 · 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
165required values missing, on 15 form(s)
0of 51 forms filed late

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

Reporting

Reports are due about 58 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (55)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeINST MAX report only all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedINST MAX <= 60 mg/L all year
001Sulfate, total [as SO4]INST MAX report only all year
001Flow, in conduit or thru treatment plantINST MAX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG <= 35 mg/L all year
003Solids, total suspendedDAILY MX <= 70 mg/L all year
003Solids, total suspendedINST MAX <= 90 mg/L all year
003Solids, settleableINST MAX <= .5 mL/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
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU 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
004Solids, settleableINST MAX <= .5 mL/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
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedMO AVG <= 35 mg/L all year
005Solids, total suspendedDAILY MX <= 70 mg/L all year
005Solids, total suspendedINST MAX <= 90 mg/L all year
005Solids, settleableINST MAX <= .5 mL/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
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Solids, total suspendedMO AVG <= 35 mg/L all year
006Solids, total suspendedDAILY MX <= 70 mg/L all year
006Solids, total suspendedINST MAX <= 90 mg/L all year
006Solids, settleableINST MAX <= .5 mL/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

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