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NPDES LA0006220 · Clean Water Act

AIR LIQUIDE LARGE INDUSTRIES U.S. LP, Geismar, LA: NPDES LA0006220 discharge permit, effluent exceedances, inspections, penalties

AIR LIQUIDE LARGE INDUSTRIES U.S. LP, Geismar, Louisiana: Individual permit LA0006220, held by Air Liquide Large Industries U.S. LP; Administratively continued; issued December 7, 2015, term to December 31, 2020; discharges to SEG 070301 MISSISSIPPI RIVER BASIN.

3 of the 19 pollutants listed for NPDES LA0006220 have no violation or effluent exceedance.

  • Solids, total suspended: 4 limits, 52 violations of any kind, 43 effluent exceedances, latest March 31, 2025, largest 366% over the limit.
  • pH range excursions, > 60 minutes: 1 limit, 35 violations of any kind, 34 effluent exceedances, latest June 30, 2026, largest 2,147,483,650% over the limit.
  • pH range excursions, monthly total accum: 1 limit, 22 violations of any kind, 21 effluent exceedances, latest March 31, 2026, largest 2,583% over the limit.
  • Coliform, fecal general: 2 limits, 4 violations of any kind, 4 effluent exceedances, latest June 30, 2024, largest 99,999% over the limit.
  • BOD, 5-day, 20 deg. C: 4 limits, 19 violations of any kind, 3 effluent exceedances, latest April 30, 2025, largest 152% over the limit.
  • Oil and grease: 5 limits, 15 violations of any kind, 2 effluent exceedances, latest March 31, 2024, largest 44% over the limit.
  • Carbon, tot organic [TOC]: 1 limit, 5 violations of any kind, 2 effluent exceedances, latest December 31, 2020, largest 950% over the limit.
  • pH: 4 limits, 9 violations of any kind, 1 effluent exceedance, latest December 31, 2025.
  • Flow, in conduit or thru treatment plant: 8 limits, 18 violations of any kind.
  • Temperature, water deg. fahrenheit: 2 limits, 8 violations of any kind.
  • Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex: 2 limits, 2 violations of any kind.
  • LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas: 2 limits, 2 violations of any kind.
  • NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex: 2 limits, 2 violations of any kind.
  • NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas: 2 limits, 2 violations of any kind.
  • Coef Of Var Static Renewal 48Hr Acute D. pulex: 1 limit, 2 violations of any kind.
  • Coef Of Var Static Renewal 48Hr Acute Pimephales promelas: 1 limit, 2 violations of any kind.
  • Whole effluent toxicity - retest #1: 4 limits.
  • Whole effluent toxicity - retest #2: 4 limits.
  • Whole Effluent Toxicity - Retest #3: 4 limits.

AIR LIQUIDE LARGE INDUSTRIES U.S. LP among its neighbors

63 discharge permits are in the Claiborne Island subwatershed (HUC 080701000105); LA0006220 is one. Its county: 212, 16 major; LA0006220 is major permit.

Other permits in the Claiborne Island subwatershed (HUC 080701000105)

Identity

FacilityAIR LIQUIDE LARGE INDUSTRIES U.S. LP
PermitteeAir Liquide Large Industries U.S. LP
NPDES IDLA0006220
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typeNon-POTW
IssuedDecember 7, 2015
ExpiresDecember 31, 2020
AddressGeismar, LA 70734
Receiving waterSEG 070301 MISSISSIPPI RIVER BASIN
Receiving water impaired303(D) Listed
SubwatershedClaiborne Island (HUC 080701000105)
Other EPA IDs (FRS)RCRA handler LAD001246420; ICIS-AIR source LA0000002200500002

NPDES LA0006220: effluent limits and exceedances

AIR LIQUIDE LARGE INDUSTRIES U.S. LP (NPDES LA0006220): 19 pollutants on file, 19 limited; 16 with a violation of any kind, 8 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended45243March 31, 2025366% over the limit
pH range excursions, > 60 minutes13534June 30, 20262,147,483,650% over the limit
pH range excursions, monthly total accum12221March 31, 20262,583% over the limit
Coliform, fecal general244June 30, 202499,999% over the limit
BOD, 5-day, 20 deg. C4193April 30, 2025152% over the limit
Oil and grease5152March 31, 202444% over the limit
Carbon, tot organic [TOC]152December 31, 2020950% over the limit
pH491December 31, 2025
Flow, in conduit or thru treatment plant8180
Temperature, water deg. fahrenheit280
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex220
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas220
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex220
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas220
Coef Of Var Static Renewal 48Hr Acute D. pulex120
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas120
Whole effluent toxicity - retest #1400
Whole effluent toxicity - retest #2400
Whole Effluent Toxicity - Retest #3400

NPDES LA0006220: inspections, violations and enforcement

NPDES LA0006220 (AIR LIQUIDE LARGE INDUSTRIES U.S. LP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES LA0006220

NPDES LA0006220: 19 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.