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Ba llona Cre e k EWMPSusie Santile naJuly 12, 2018
Ba llona Cre e k Wa te rshe d Ma na g e m e nt Grou pCity of Los Ange le sCounty of Los Ange le s Los Ange le s Flood Control Distric t City of Be ve rly Hills City of Culve r CityCity of Ing le wood City of We st Hollywood City of Santa Monica
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Pre se n t a t ion Ou t line● Watershed Background
● EWMP Implementation○ LID Progress
○ Green Streets
○ Project Highlights
○ Program Highlights
Wa te rshe d At t rib u t e s8 agencies
128 square m ile s
Highly urbanize d :
60% Re side ntia l
16% Com m e rcial
540 acre s of we tlands
7 applicab le TMDLs
3Watershed Background
Re g iona l Boa rdIssu e d
MS4 Pe rm itDe c 28, 2012
EWMP De ve lop m e nt
Ba llona Cre e kEWMP
Ap p rove dAp r 20 , 2016
Cu rre nt MS4 Pe rm it Exp ire d
De c 28, 2017
2012EWMP a nd CIMP Im p le m e nta t ion
ROWD su b m it t e d
June 27, 2017
Wa t e rshe d His tory
4
2017 2018
TSO for Dry We a the r Ba c t e ria
Issu e dMa y 14, 2015
2013 2014 2015 2016
Watershed Collaboration:
• Management group established in 2007
• Meets monthly
• Agencies collaborate on and cost -share watershed efforts
Watershed Background
5EWMP Implementation
● LID ordinances adopted by all agencies
● Over 1750 LIDs constructe d 2012-2017
● Capacity: 15 ac-ft
Low Im p a c t De ve lop m e nt
Tra sh TMDL
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● Over 16,000 catch basins re trofitte d
● Institutional m e asure s
● Im ple m e nting TMRP
o 3 Re ce iving Wate r Monitoring Site s
o 2 Tributary Monitoring Points
● Com pliance s ta tus: 100%
EWMP Implementation
Gre e n St re e t s
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● Green Street Policies adopted by all agencies
● City of Los Angeles: Green Street Prioritization
● County of Los Angeles: Green Street Task Force
● Beverly Hills: Stormwater Compliance Master Plan
● Culver City: Median Project
● Inglewood: Greening red curbs
● West Hollywood: Complete Streets
● Santa Monica: Permeable Alley Surfaces EWMP Implementation
PROJECT Highlights
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• Regional Projects• Green Streets• TSO Projects
● Capacity: Up to 33 cfs
● Drainage Area: 2,500 acres
● Estimated Cost: $1.7 M● Components:
○ Diversion for treatment and return
● Status: Completed ○ Evaluating Phase II feasibility
● Completion Date: 2006
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We st s id e Wa te r Qua lit y Im p rove m e nt Pro je c t
Project Highlights
Santa Monica
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La d e ra Pa rk Re g iona l Storm w a te r Ca p tu re Pro je c t
● Capacity: 5.1 acre-ft
● Drainage Area: 110 acres
● Estimated Cost: $10 M ● Components:
○ Pretreatment system
○ Re-irrigation system
○ Recreation & aesthetic enhancements
○ Demonstration garden
○ Educational signage
● Status: Design
● Completion Date: Fall 2019
Project Highlights
County of Los Angeles
● Capacity: 24 acre-ft
● Drainage Area: 578 acres● Estimated Cost: TBD
● Components:○ Capture & treat/divert to sewer
● Status: Feasibility Study● Completion Date: TBD
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La Cie ne g a Pa rk Proje c t & Fra nk Fe nton Fie ld
Project Highlights
Beverly Hills
● Capacity: 20 acre-ft● Drainage Area: 303 acres in Culver City
● Estimated Cost: $12-16M
● Components:○ Storage: 8 acre-ft
○ Treatment Volume: 11.66 acre -ft
○ Diversion to Harter Ave Drain
○ Diversion to Sepulveda Blvd Drain
● Status: Design
● Completion Date: Late 2020
12
Culve r Bou le va rd Pro je c t
Project Highlights
Culver City
● Capacity: TBD
● Drainage Area: TBD
● Estimated Cost: $ 4 M
● Components:○ Infiltration BMPs
○ Transit and bicycle routes
○ Street lighting and furniture
○ Pedestrian safety/access
● Status: Planning/Concept
● Completion Date: Fall 2019
13
Me lrose Ave Com p le t e St re e t Pro je c t
Project Highlights
West Hollywood
● Capacity: 9 acre-ft
● Drainage Area: 248 acres
● Estimated Cost: $9.8 M● Components:
○ Storm drain diversion○ Bioswales along 3 mile
stretch of median○ Treatment and reuse
○ Phase 1: 4 ac-ft / yr ($3.0 million)
○ Phase 2: 5 ac-ft / yr ($6.8 million)
● Status: Design
● Completion Date: Fall 2019
14
Burton Wa y Me d ia n Gre e n St re e t Pro je c t
Project Highlights
Beverly Hills
● Capacity: 1 acre-ft
● Drainage Area: 13 acres
● Estimated Cost: $500 k● Components:
○ Infiltration
○ Treatment
○ Flood Control
○ 3200 ft of green street
● Status: Construction
● Completion Date: Fall 2018
15
Sa nta Monic a Bou le va rd Gre e n St re e t s Pro je c t
Project Highlights
Beverly Hills
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Monte ith Pa rk & Vie w Pa rk Gre e n Alle y Storm w a te r Ca p tu re Pro je c t
Project Highlights
● Capacity: 9.3 acre-ft
● Drainage Area: 228 acres
● Estimated Cost: $3.7 M● Components:
○ Pretreatment system
○ Recreation & aesthetic enhancements○ Green alley with drought tolerant
landscaping○ 16 infiltration wells
○ Educational signage
● Status: Planning/Concept
● Completion Date: Fall 2021
County of Los Angeles
● Capacity: 7,700 cf● Drainage Area: TBD
● Estimated Cost: $9 M● Components:
○ Bioretention
● Status: Design
● Completion Date: 2019
17
La Bre a Gre e n St re e t Pro je c t
Project Highlights
Inglewood
● Capacity: 300 acre -ft /year
● Drainage Area: 2,400 acres
● Estimated Cost: $5.4 M● Components:
○ Storm drain diversion
○ 2 parallel vegetated swales (1,400 ft )
○ Native vegetation
○ Restoration of riparian habitat
○ Educational signage
● Status: Design
● Completion Date: Fall 2020
18
We stw ood Ne ig hb orhood Gre e nw a y Pro je c t
Project Highlights
Los Angeles
● Capacity: 0.23 acre-ft
● Drainage Area: 209 acres
● Estimated Cost: $600 K● Components:
○ 35 rain gardens
○ Replenishes groundwater through
infiltration
○ Beautification in DAC
○ Community education on LID
● Status: Completed
● Completion Date: 2017
19
Unive rs it y Pa rk Ne ig hb orhood Ra in Ga rd e ns Pro je c t
Project Highlights
Los Angeles
● Capacity: TBD
● Drainage Area: 39 acres
● Estimated Cost: $3.7 M● Components:
○ Median biofilter
○ Green alley
○ Green street standard plans
○ Beautification in DAC
● Status: Design● Completion Date:
○ Phase I- June 2019
○ Phase II- February 2021
20
Ve rm ont Ave . Storm w a te r Ca p tu re & Gre e n St re e t Pro je c t
Project Highlights
Los Angeles
Ba c te ria TSO
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3 Regional Projects:● LFTF-1 on Ballona Main Stem○ ≤ 6 MGD for ozone treatment
○ ≤ 23 MGD diversion to HWRP
● LFTF-2 on Sepulveda Channel○ ≤ 1.3 MGD for ozone treatment
● Mesmer LFD on Centinela Creek○ ≤ 1.0 MGD conveyed to HWRP
Design started May 2018.
EIR certified June 2018.
Estimated Cost: $31.3 M
Project Highlights
PROGRAM Highlights
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• CIMP Implementation• Measure CW
Wa te rshe d Monitoring
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● 5 new monitoring sites as a result of the CIMP:
○ 3 Stormwater Outfalls
○ 2 Non-Stormwater Outfalls
● 1 Shoreline Station
● 2 NSWO screenings of 2 sig. outfalls
Program Highlights
MonitoringType Frequency
Wet Weather Events 3x / year
Dry Weather Events 2x / year
Bacteria TMDL Weekly
Metals TMDL Monthly
Estuary Bed Sediment Annually
Mussel Tissue Annually
Fish Tissue Annually
Plastic Pellets Monitoring 2x / year
Me a su re CW Cu lve r City
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● The Clean Water, Clean Beach Parcel Tax passed in Culver City (November 2016)
● Set annual parcel tax for:○ Single family residential $99
○ Multi -family dwelling unit $69 ○ $1,096 per acre for
non-residential
● A dedicated funding for Culver City’s Water Quality Programs
● Measure V: Santa Monica
Program Highlights
