CABOT CORPORATION- CANAL PLANT

NPDES permit LA0001082 · Minor NON-POTW · administratively continued, expires 2024-09-30 · 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.

This permit expired on 2024-09-30 and is administratively continued: 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

1values over a limit
0required values missing, on 0 form(s)
0of 38 forms filed late

Last period with anything received: 2026-06-30. Most often over: BOD, 5-day, 20 deg. C (1).

Reporting

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

Limits in force (37)

OutfallParameterStatisticLimitMonths
001BpHINST MIN >= 6 SU all year
001BpHINST MAX <= 9 SU all year
001BSolids, total suspendedMO AVG report only all year
001BSolids, total suspendedDAILY MX report only all year
001BOil & GreaseDAILY MX <= 15 mg/L all year
001BCarbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
001BFlow, in conduit or thru treatment plantMO AVG report only all year
001BFlow, in conduit or thru treatment plantDAILY MX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
101BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L all year
101BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L all year
101Solids, total suspendedMO AVG <= 20 mg/L all year
101Solids, total suspendedDAILY MX <= 30 mg/L all year
101Flow, in conduit or thru treatment plantMO AVG report only all year
101Flow, in conduit or thru treatment plantDAILY MX report only all year
101Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
101Coliform, fecal generalDAILY MX <= 400 #/100mL all year
401BSolids, total suspendedDAILY MX <= 75 mg/L all year
401BOil & GreaseDAILY MX <= 15 mg/L all year
401BCarbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
401BFlow, in conduit or thru treatment plantDAILY MX report only all year
501pHINST MIN >= 6 SU all year
501pHINST MAX <= 9 SU all year
501Solids, total suspendedDAILY MX <= 90 mg/L all year
501Solids, total suspendedDAILY MX <= 90 mg/L all year
501Oil & GreaseDAILY MX <= 15 mg/L all year
501Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
501Lead, total [as Pb]DAILY MX <= 50 ug/L all year
501BenzeneDAILY MX <= 50 ug/L all year
501BTEXDAILY MX <= 250 ug/L all year
501Flow, in conduit or thru treatment plantMO AVG report only all year
501Flow, 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