SIEMA CONSTRUCTION LLC - LAFAYETTE REGIONAL AIRPORT - TAXIWAY BRAVO REALIGNMENT, Lafayette, LA: NPDES LAR10Q629 discharge permit, effluent exceedances, inspections, penalties

SIEMA CONSTRUCTION LLC - LAFAYETTE REGIONAL AIRPORT - TAXIWAY BRAVO REALIGNMENT, Lafayette, Louisiana: General permit coverage LAR10Q629; Construction stormwater; Effective; issued January 12, 2026, term to October 21, 2026.

Louisiana holds 1,491 Construction stormwater coverages of this permit type in EPA’s file; 1,165 were issued before LAR10Q629.

Coverages issued nearest LAR10Q629

• 2026-01-12: ARCO DB COMPANIES, INC - CAMPBELL US AUTOFORCE BTS, Village Saint George: LAR10Q617
• 2026-01-12: TUDOR, INC. - REGIONAL PORT-IMPROVEMENTS ELECTRICAL SUBSTATION MANUFACTURING FAC, Alexandria: LAR10Q619, held by TUDOR, INC. - REGIONAL PORT-IMPROVEMENTS ELECTRICAL SUBSTATION MANUFACTURING FA
• 2026-01-12: US ARMY CORPS OF ENGINEERS - COMITE RIVER DIVERSION CHANNEL REACH 2B,, Zachary: LAR10Q626
• 2026-01-12: US ARMY CORPS OF ENGINEERS - COMITE RIVER DIVERSION CHANNEL REACH 3,, Zachary: LAR10Q627, held by US ARMY CORPS OF ENGINEERS - COMITE RIVER DIVERSION CHANNEL REACH 3
• 2026-01-12: ONSHORE MATERIALS LLC -PORT IMPROVEMENTS MILLENNIUM EXPANSION PHASE III DREDGING, New Iberia: LAR10Q628, held by ONSHORE MATERIALS LLC -PORT IMPROVEMENTS MILLENNIUM EXPANSION PHASE III DREDGIN
• 2026-01-13: PCL CONSTRUCTION, INC. - INDUSTRIAL WWTP, Delhi: LAR10Q620
• 2026-01-13: LAKE CHARLES LNG EXPORT COMPANY, LLC - LAKE CHARLES LNG ENABLING PROJECTS, Lake Charles: LAR10Q621
• 2026-01-13: CAJUN INDUSTRIES LLC - RIVER BEND DATA CENTER, Saint Francisville: LAR10Q622
• 2026-01-13: ENTERGY LOUISIANA, LLC - CHURCHILL 500K V SUBSTATION & TRANSMISSION LINE TIE-INS, Westwego: LAR10Q623
• 2026-01-13: BETA ENGINEERING LLC - HOLLIS CREEK SOLAR PROJECT, Many: LAR10Q624

SIEMA CONSTRUCTION LLC - LAFAYETTE REGIONAL AIRPORT - TAXIWAY BRAVO REALIGNMENT among its neighbors

115 discharge permits are in the Anselm Coulee-Vermilion River subwatershed (HUC 080801030109); LAR10Q629 is one. Its county: 368, 9 major; LAR10Q629 is minor permit.

Other permits in the Anselm Coulee-Vermilion River subwatershed (HUC 080801030109)

• ABOVE COMPASSION ADULT RESIDENTIAL HOME, LLC, Lafayette: LAG536796, minor, term to 2027-11-30
• ADVANCED LEARNING ACADEMY LLC - ADVANCED LEARNING ACADEMY, Maurice: LAG536922, minor, term to 2027-11-30
• BADGER OIL CORPORATION, Lafayette: GMG290275, minor, term to 2012-09-30
• BLOCK BUILDERS LLC - THE RESERVE @ RIVER PLACE, Lafayette: LAR10M357, minor, term to 2018-08-08
• BOING US HOLDCO INC - WHISTLE EXPRESS CAR WASH, Lafayette: LAG751216, minor, term to 2029-04-25
• BROUSSARD (NEUVILLE) DG, LLC - DOLLAR GENERAL #30680, Lafayette: LAG536768, minor, term to 2027-11-30
• BUQUET & LEBLANC INC- HAMPTON TOYOTA, Lafayette: LAR10L690, minor, term to 2017-07-27
• CASTLE ROW CONSTRUCTION, LLC - HEYMANN PARK RENOVATIONS, Lafayette: LAR10Q590, minor, term to 2026-10-14
• CCS ENERGY SERVICES, LLC, Lafayette: GMG290309, minor, term to 2012-09-30
• CEDAR HILL SUBDIVISION, Youngsville: LA0122866, minor, term to 2012-09-30