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Clean Water Act discharge permit · NPDES TX0145165

OCI CLEAN AMMONIA PRODUCTION FACILITY, Nederland, TX: NPDES TX0145165 discharge permit, effluent exceedances, inspections, penalties

OCI CLEAN AMMONIA PRODUCTION FACILITY, held by OCI CLEAN AMMONIA LLC, holds NPDES permit TX0145165, which discharges to Taylor Bayou Above Tidal. EPA’s file records it issued June 19, 2025 and expiring June 19, 2030. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedOCI CLEAN AMMONIA PRODUCTION FACILITY
Permittee as filedOCI CLEAN AMMONIA LLC
NPDES IDTX0145165
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 19, 2025
Expiration dateJune 19, 2030
AddressNederland, TX 77056
Receiving waterTaylor Bayou Above Tidal
SubwatershedGoose Creek-Frontal Galveston Bay (HUC 120401040706)
SIC2873 – Nitrogenous Fertilizers

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
pH855April 30, 2026
Flow, in conduit or thru treatment plant1011January 31, 202640% over the limit
Chemical Oxygen Demand [COD]550
Oil & Grease620
Solids, total suspended320
Nitrogen, ammonia total [as N]220
BOD, carbonaceous [5 day, 20 C]220
Whole effluent toxicity - retest #1300
Whole effluent toxicity - retest #2300
Temperature, water deg. fahrenheit200
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)200
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllina200
NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)200
NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllina200
NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)200
NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina200
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)200
Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllina200
LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)200
LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllina200
LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)200
LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllina200
LC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)100
LC50 Pass/Fail Static 24Hr Acute Menidia beryllina100

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 TX0145165.

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.

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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 TX0145165 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit TX0145165 for the OCI CLEAN AMMONIA PRODUCTION FACILITY in Nederland, TX, held by OCI CLEAN AMMONIA LLC and discharging to Taylor Bayou Above Tidal within the Goose Creek-Frontal Galveston Bay subwatershed (HUC 120401040706). The permit is listed as Effective, a Minor discharger, issued June 19, 2025 and expiring June 19, 2030, with 24 pollutants on file, 24 under a numeric limit, and 2 showing an effluent exceedance.