ARROW SPECIALTIES USA, LLC - PONTCHARTRAIN SITE

NPDES permit LA0005924 · 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

0values over a limit
0required values missing, on 0 form(s)
2of 64 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (78)

OutfallParameterStatisticLimitMonths
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
002Chlorine, total residualDAILY MX <= .2 mg/L all year
002Chlorine, total residualDAILY MX <= 15 mg/L all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Carbon, tot organic [TOC]DAILY MX <= 50 mg/L 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
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Oil & GreaseDAILY MX <= 15 mg/L all year
006Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
006Flow, in conduit or thru treatment plantMO AVG report only all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007Oil & GreaseDAILY MX <= 15 mg/L all year
007Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
102ApHINST MIN >= 6 SU all year
102ApHINST MAX <= 9 SU all year
102ASolids, total suspendedDAILY MX <= 90 mg/L all year
102ASolids, total suspendedDAILY MX <= 90 mg/L all year
102AOil & GreaseDAILY MX <= 15 mg/L all year
102ACarbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
102ALead, total [as Pb]DAILY MX <= 50 ug/L all year
102ABenzeneDAILY MX <= 50 ug/L all year
102ABTEXDAILY MX <= 250 ug/L all year
102AFlow, in conduit or thru treatment plantMO AVG report only all year
102AFlow, in conduit or thru treatment plantDAILY MX report only all year
102BpHINST MIN >= 6 SU all year
102BpHINST MAX <= 9 SU all year
102BSolids, total suspendedDAILY MX <= 90 mg/L all year
102BSolids, total suspendedDAILY MX <= 90 mg/L all year
102BOil & GreaseDAILY MX <= 15 mg/L all year
102BCarbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
102BLead, total [as Pb]DAILY MX <= 50 ug/L all year
102BBenzeneDAILY MX <= 50 ug/L all year
102BBTEXDAILY MX <= 250 ug/L all year
102BFlow, in conduit or thru treatment plantMO AVG report only all year
102BFlow, in conduit or thru treatment plantDAILY MX report only all year
201Flow, in conduit or thru treatment plantMO AVG report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
401Oil & GreaseDAILY MX <= 15 mg/L all year
401Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
401Zinc, total [as Zn]MO AVG report only all year
401Zinc, total [as Zn]DAILY MX report only all year
401Total phenolsMO AVG report only all year
401Total phenolsDAILY MX report only all year
401TolueneMO AVG report only all year
401TolueneDAILY MX report only all year
401Flow, in conduit or thru treatment plantMO AVG report only all year
401Flow, in conduit or thru treatment plantDAILY MX report only all year
501Oil & GreaseDAILY MX <= 15 mg/L all year
501Carbon, tot organic [TOC]DAILY MX <= 50 mg/L all year
501Zinc, total [as Zn]MO AVG report only all year
501Zinc, total [as Zn]DAILY MX report only 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