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  2. NPDES Permits Around the Nation

CA0063401: West Basin Municipal Water District Edward C. Little Water Recycling Plant, El Segundo, CA

Joint EPA and State NPDES Permit

Return to: NPDES Permits in California (excluding Tribal Permits)

Order: R4-2023-0368
NPDES Permit No: CA0063401
Discharger: West Basin Municipal Water District
Facility: Edward C. Little Water Recycling Plant (LWRF)
Facility Address: 1935 Hughes Way, El Segundo, CA 90245, Los Angeles County
Order adopted by Los Angeles Regional Water Quality Control Board on: November 16, 2023
Permit issued by EPA on: December 18, 2023
Order effective on: February 1, 2024
Order will expire on: January 31, 2029
Application for reissuance no later: November 21, 2028 
Facility Rating: Major

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  • Consolidated EPA and State NPDES Permit No. CA0063401 and Fact Sheet: Edward C. Little Water Recycling Plant (LWRF) (pdf) (5.69 MB, December 18, 2023)
    Jointly issued consolidated EPA and State Waste Discharge Requirements and National Pollutant Discharge Elimination System Permit for West Basin Municipal Water District Edward C. Little Water Recycling Plant (LWRP), El Segundo, California. ORDER NO. R4-2023-0368, NPDES NO. CA0063401. Effective February 1, 2024 - January 31, 2029.
  • Response to Comments: West Basin Municipal Water District Edward C. Little Water Recycling Plant (LWRF) (pdf) (234.21 KB, October 12, 2023)
    EPA response to written comments on the Tentative Order and the public notice draft NPDES permit for the West Basin Municipal Water District Edward C. Little Water Recycling Plant (LWRP), El Segundo, California. ORDER NO. R4-2023-0368, NPDES NO. CA0063401.
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Last updated on March 24, 2025
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