Clean Hydrogen Works LA-1 LLC - Ascension Clean Energy Project

NPDES permit LA0127739 · Major NON-POTW · effective, expires 2030-10-15 · 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

EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.

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 (84)

OutfallParameterStatisticLimitMonths
001pHINST MIN report only all year
001pHINST MAX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2619 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 5238 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only 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
001pH range excursions, > 60 minutesDAILY MX <= 0 occur/mo all year
001pH range excursions, monthly total accumDAILY MX <= 446 min all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
001Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulexMO AV MN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
001LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelasMO AV MN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
001NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulexMO AV MN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
001NOAEC Lethal Static Renewal 48Hr acute Pimephales promelasMO AV MN report only all year
001Coef Of Var Static Renewal 48Hr Acute D. pulexMAXIMUM report only all year
001Coef Of Var Static Renewal 48Hr Acute Pimephales promelasMAXIMUM 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
003pHINST MIN report only all year
003pHINST MAX report only all year
003Solids, total suspendedDAILY MX report only all year
003Oil & GreaseDAILY MX report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, ammonia total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Carbon, tot organic [TOC]DAILY MX report only 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 report only all year
004pHINST MAX report only all year
004Solids, total suspendedDAILY MX report only all year
004Oil & GreaseDAILY MX report only all year
004Nitrogen, total [as N]MO AVG report only all year
004Nitrogen, total [as N]DAILY MX report only all year
004Nitrogen, ammonia total [as N]MO AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Carbon, tot organic [TOC]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
05ApHINST MIN report only all year
05ApHINST MAX report only all year
05ASolids, total suspendedDAILY MX report only all year
05ASolids, total suspendedDAILY MX report only all year
05AOil & GreaseDAILY MX report only all year
05ACarbon, tot organic [TOC]DAILY MX report only all year
05ALead, total [as Pb]DAILY MX report only all year
05ABenzeneDAILY MX report only all year
05ABTEXDAILY MX report only all year
05AFlow, in conduit or thru treatment plantMO AVG report only all year
05AFlow, in conduit or thru treatment plantDAILY MX report only all year
05BpHINST MIN report only all year
05BpHINST MAX report only all year
05BSolids, total suspendedDAILY MX report only all year
05BSolids, total suspendedDAILY MX report only all year
05BOil & GreaseDAILY MX report only all year
05BCarbon, tot organic [TOC]DAILY MX report only all year
05BLead, total [as Pb]DAILY MX report only all year
05BBenzeneDAILY MX report only all year
05BBTEXDAILY MX report only all year
05BFlow, in conduit or thru treatment plantMO AVG report only all year
05BFlow, in conduit or thru treatment plantDAILY 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 #/100mL all year
101Coliform, fecal generalDAILY MX <= 400 #/100mL all year
IT01Flow, in conduit or thru treatment plantMO AVG report only all year
IT01Flow, in conduit or thru treatment plantDAILY MX report only all year
IT01Cooling Water Intake VelocityMO AVG <= .5 ft/sec all year
IT01Cooling Water Intake VelocityDAILY 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