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Clean Water Act discharge permit · NPDES LA0070262

SHREVEPORT SULFURIC ACID PLANT, Shreveport, LA: NPDES LA0070262 discharge permit, effluent exceedances, inspections, penalties

SHREVEPORT SULFURIC ACID PLANT, held by CHEMTRADE REFINERY SVCS, INC., holds NPDES permit LA0070262. EPA’s file records it issued September 2, 2011 and expiring September 30, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedSHREVEPORT SULFURIC ACID PLANT
Permittee as filedCHEMTRADE REFINERY SVCS, INC.
NPDES IDLA0070262
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 2, 2011
Expiration dateSeptember 30, 2016
AddressShreveport, LA 71135
Receiving water impaired303(D) Listed
SubwatershedChicot Bayou-Bayou Pierre (HUC 111402060202)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Chromium, total [as Cr]333December 31, 2019319% over the limit
Nickel, total [as Ni]311June 30, 2018164% over the limit
pH range excursions, > 60 minutes1190
pH range excursions, monthly total accum1190
pH4140
Sulfate, total [as SO4]2140
Lead, total [as Pb]240
Flow, in conduit or thru treatment plant420
Copper, total [as Cu]320
Carbon, tot organic [TOC]220
Oil & Grease010
Cadmium, total [as Cd]300
Zinc, total [as Zn]300
Oil and grease300
Mercury, total [as Hg]300

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0070262.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0070262.

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  • One state — $4,990/year
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID LA0070262 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.