BIRLA CARBON USA INC.- NORTH BEND PLANT

NPDES permit LA0004154 · Minor NON-POTW · effective, expires 2027-03-31 · 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

3values over a limit
0required values missing, on 0 form(s)
20of 62 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (2), Carbon, tot organic [TOC] (1).

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 (64)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedDAILY MX <= 135 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Carbon, tot organic [TOC]DAILY MX <= 70 mg/L all year
001Chloride [as Cl]DAILY MX <= 1000 lb/d all year
001Sulfate, total [as SO4]DAILY MX <= 620 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Solids, total dissolvedDAILY MX <= 4380 lb/d all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Flow, in conduit or thru treatment plantMO AV MN report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
002Coliform, fecal generalDAILY MX <= 400 #/100mL all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 10 mg/L all year
003Carbon, tot organic [TOC]DAILY MX <= 10 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 <= 8.5 SU all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Magnesium, total [as Mg]MO AVG report only all year
004Magnesium, total [as Mg]DAILY MX report only all year
004Sodium, total [as Na]MO AVG report only all year
004Sodium, total [as Na]DAILY MX report only all year
004Chloride [as Cl]MO AVG report only all year
004Chloride [as Cl]DAILY MX report only all year
004Sulfate, total [as SO4]MO AVG report only all year
004Sulfate, total [as SO4]DAILY MX report only 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
004Solids, total dissolvedMO AVG report only all year
004Solids, total dissolvedDAILY MX report only all year
101BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
101BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
101Solids, total suspendedMO AVG <= 30 mg/L all year
101Solids, total suspendedDAILY MX <= 45 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 CFU/100mL all year
101Coliform, fecal generalDAILY MX <= 400 CFU/100mL all year
201BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
201BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
201Solids, total suspendedMO AVG <= 30 mg/L all year
201Solids, total suspendedDAILY MX <= 45 mg/L all year
201Flow, in conduit or thru treatment plantMO AV MN report only all year
201Flow, in conduit or thru treatment plantDAILY MX report only all year
201Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
201Coliform, fecal generalDAILY MX <= 400 #/100mL all year
INT1Flow, in conduit or thru treatment plantMO AVG report only all year
INT1Flow, in conduit or thru treatment plantDAILY MX report only all year
INT1Cooling Water Intake VelocityDAILY MX <= .5 ft/sec 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