Martin Marietta Materials, Inc.

NPDES permit AL0062405 · Minor NON-POTW · effective, expires 2028-04-30 · 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
0required values missing, on 0 form(s)
0of 60 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

Limits in force (72)

OutfallParameterStatisticLimitMonths
005pHDAILY MN >= 6 SU all year
005pHDAILY MN >= 6 SU all year
005pHDAILY MX <= 8.5 SU all year
005pHDAILY MX <= 8.5 SU 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
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
015pHDAILY MN >= 6 SU all year
015pHDAILY MN >= 6 SU all year
015pHDAILY MX <= 9 SU all year
015pHDAILY MX <= 9 SU all year
015Solids, total suspendedMO AVG <= 35 mg/L all year
015Solids, total suspendedMO AVG <= 35 mg/L all year
015Solids, total suspendedDAILY MX <= 70 mg/L all year
015Solids, total suspendedDAILY MX <= 70 mg/L all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
016pHDAILY MN >= 6 SU all year
016pHDAILY MN >= 6 SU all year
016pHDAILY MX <= 9 SU all year
016pHDAILY MX <= 9 SU all year
016Solids, total suspendedMO AVG <= 35 mg/L all year
016Solids, total suspendedMO AVG <= 35 mg/L all year
016Solids, total suspendedDAILY MX <= 70 mg/L all year
016Solids, total suspendedDAILY MX <= 70 mg/L all year
016Flow, in conduit or thru treatment plantMO AVG report only all year
016Flow, in conduit or thru treatment plantMO AVG report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
016Flow, in conduit or thru treatment plantDAILY MX report only all year
017pHDAILY MN >= 6 SU all year
017pHDAILY MN >= 6 SU all year
017pHDAILY MX <= 9 SU all year
017pHDAILY MX <= 9 SU all year
017Solids, total suspendedMO AVG <= 35 mg/L all year
017Solids, total suspendedMO AVG <= 35 mg/L all year
017Solids, total suspendedDAILY MX <= 70 mg/L all year
017Solids, total suspendedDAILY MX <= 70 mg/L all year
017Flow, in conduit or thru treatment plantMO AVG report only all year
017Flow, in conduit or thru treatment plantMO AVG report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
017Flow, in conduit or thru treatment plantDAILY MX report only all year
018pHDAILY MN >= 6 SU all year
018pHDAILY MN >= 6 SU all year
018pHDAILY MX <= 8.5 SU all year
018pHDAILY MX <= 8.5 SU all year
018Solids, total suspendedMO AVG <= 35 mg/L all year
018Solids, total suspendedMO AVG <= 35 mg/L all year
018Solids, total suspendedDAILY MX <= 70 mg/L all year
018Solids, total suspendedDAILY MX <= 70 mg/L all year
018Flow, in conduit or thru treatment plantMO AVG report only all year
018Flow, in conduit or thru treatment plantMO AVG report only all year
018Flow, in conduit or thru treatment plantDAILY MX report only all year
018Flow, in conduit or thru treatment plantDAILY MX report only all year
019pHDAILY MN >= 6 SU all year
019pHDAILY MN >= 6 SU all year
019pHDAILY MX <= 9 SU all year
019pHDAILY MX <= 9 SU all year
019Solids, total suspendedMO AVG <= 35 mg/L all year
019Solids, total suspendedMO AVG <= 35 mg/L all year
019Solids, total suspendedDAILY MX <= 70 mg/L all year
019Solids, total suspendedDAILY MX <= 70 mg/L all year
019Flow, in conduit or thru treatment plantMO AVG report only all year
019Flow, in conduit or thru treatment plantMO AVG report only all year
019Flow, in conduit or thru treatment plantDAILY MX report only all year
019Flow, in conduit or thru treatment plantDAILY MX 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