28th STREET STORMWATER INFILTRATION PROJECT Update
October 7, 2025
Stormwater discharges are regulated under MS4 Permit by Los Angeles Regional Water Quality Control Board Beach Cities Watershed Management Program (WMP) developed by Manhattan Beach, Hermosa Beach, Redondo Beach, Torrance, and Los Angeles County Flood Control District Project identified as the highest priority to reduce bacteria, trash, and debris discharges 28th Street drain conveys approximately 60% of City’s stormwater, and has been exceeding TMDL limits Background
28th St. Stormwater Infiltration project
October 7, 2025
28th St. outfall drainage area
28th St. Stormwater Infiltration project
October 7, 2025
Project timeline
28th St. Stormwater Infiltration project
October 7, 2025
2015 Large-scale infiltration project identified within the Beach Cities Watershed Management Program 2020 CWE was hired to perform a feasibility study, which identified 26th Street parking facility as the preferred site 2021 Grant applications submitted to multiple agencies 2022 Design contract awarded to CWE
2024 CEQA Determination adopted by City Council 2025 Project P, S, & E conditionally approved by City Council
Project Grants
$4.9M Proposition 68
Natural Resources Agency Grant
$8.5M Proposition 1
California State Water Resources Control Board
$17.6M Measure W
Safe, Clean Water Program LA County Flood Control District City Funds
$240K CIP Storm Drain Fund
Project funding
28th St. Stormwater Infiltration project
October 7, 2025
Project Design
28th St. Stormwater Infiltration project
October 7, 2025
Parking lot improvements
28th St. Stormwater Infiltration project
October 7, 2025
Rebuild & modernize 26th Street Lot
New retaining walls & pervious concrete surface
Improved circulation with revised striping
ADA-compliant spaces & accessible pedestrian routes
Removal of old staircases
Benefits
28th St. Stormwater Infiltration project
October 7, 2025
Previous public outreach
28th St. Stormwater Infiltration project
October 7, 2025
Past Public Meetings (2020 – 2025)
09/03/2020 Stakeholder Meeting
09/10/2020 Sustainability Task Force Meeting
09/17/2020 Community Meeting
07/26/2023 Presentation to LA County Beaches and Harbors 10/10/2023 Onsite Community Outreach Event
10/26/2023 Parking & Public Improvements Commission (PPIC) 02/15/2024 Community Meeting
05/21/2024 Presentation to City Council
02/06/2025 Community Meeting
03/18/2025 City Council Meeting Approving Plans & Solicit Bids
10/23/2025 PPIC Meeting
11/18/2025 City Council Meeting – Contract Award
January 2026 Community Outreach Meeting
(1st Pre-Construction)
February 2026 Community Outreach Meeting
(2nd Pre-Construction)
Upcoming public outreach
28th St. Stormwater Infiltration project
October 7, 2025
March 2025 City Council approved final Plans & Specifications Engineer’s Estimate = $26M
June 2025 RFQ No. E1304-25Q Contractor Prequalification July 2025 11 firms submitted proposals and were evaluated on experience, qualifications, and compliance
August 2025 9 firms qualified and invited to bid
Nov. 2025 Award of Construction Contract
Award of Construction Management & Inspection Amendment for Design Engineer of Record Feb. 2026 Construction Start (14 - 18 months)
Aug. 2027 Construction End
Construction bidding
28th St. Stormwater Infiltration project
October 7, 2025
construction impacts
28th St. Stormwater Infiltration project
October 7, 2025
Evaluated Impacts*
Mitigation Strategies
Noise, Dust & Debris
Noise Barriers (if noise levels exceed thresholds) **
No Grading During High Winds**
Construction BMPs required**
Road Closures, Traffic Detours, Construction Traffic
Signage and electronic message boards
72 hour or more notification for immediate residents
Parking Lot Closure
1 year duration
Limited Street Parking
Consolidate contractor laydown area to Man. Ave. between 27th & 26th to reduce contractor trips *Additional street parking and alternate locations for overnight parking **Required per Project’s Mitigation & Monitoring Plan
Traffic control plan
28th St. Stormwater Infiltration project
October 7, 2025
construction TIMELINE
28th St. Stormwater Infiltration project
October 7, 2025
26th ST PARKING LOT - FEB. 2026 TO FEB. 2027
MAN. AVE. 27TH TO 26TH – APR. 2026 TO SPRING 2027
MAN. AVE. AT 28TH – APR. 2026 TO SEPT. 2026
MAJOR CONSTRUCTION PHASE FROM DEC. 2025 TO MARCH 2027
AC PAVING FEB. 2027
Construction Award 11/18/25
NTP 1 12/15/25
NTP2 2/9/26
Project Manager Contact Info:
Eduardo Pech, P.E.
Senior Civil Engineer
(310) 802-5340
[email protected]
Questions & Answers
28th St. Stormwater Infiltration project
October 7, 2025