los angeles regional w ater quality control board...los angeles regional w ater quality control...
TRANSCRIPT
![Page 1: Los Angeles Regional W ater Quality Control Board...Los Angeles Regional W ater Quality Control Board Stats & Numbers 19 participating agencies 485 sq miles (approx.) – largest EWMP](https://reader033.vdocuments.net/reader033/viewer/2022042221/5ec70957eb7fca2a4971d264/html5/thumbnails/1.jpg)
Upper L A R iver EW MPDawn Petschauer, City of LAMay 10, 2018
L os Angeles R egional W ater Qual ity C ontrol B oard
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S tats &Numbers● 19 participating agencies● 485 sq miles (approx.) – largest EWMP● 21 waterbodies● Diverse hydrology
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Our grow thR B
IssuedMS 4 Permit
Dec em ber
UL ARE W MP
ApprovedApril
R BMa y 10
W orkshop
2012 2016 2017 2018
Implementation
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Pre- E W MP Projec tsUL AR E W MP
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E arlyProjec ts
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Elmer Paseo
Rose Bowl
South Los AngelesWetlands
● Agencies actively pursuing opportunities● Green Streets● Low Impact Development● City of LA – Prop O
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T rash T MDL● ~70K+ catch basins
retrofitted ● Myriad of structural controls● New technologies● Institutional measures● Enhanced MCMs● In-River monitoring
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B ac teriaT MDL
7
893Outfalls
inventoried and prioritized
25Priority
projects identified
2Projects
completed
9Projects
in design
5L R S
submitted to R B
● Phased Approach
● L oad R eduction S trategies○ L A R iver S egment B○ Arroyo S eco / R io Hondo○ L A R iver S egment E○ C ompton C reek
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B ac teriaT MDL
8
● Outfall Screening● Prioritization
LA City Humboldt Greenway
● Projects
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W atershed MonitoringUL AR E W MP
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S ta tionT ype
# of monitoring
loc a tions
Automa ted sa mplingsta tions (w et
w ea ther)
Ma in S tem R W 6 (2 ME s ites ) 4
T ributa ry R W 11 N/ A
L a kes 3 N/ A
S W O 12 12
T ota l 32 16
W atershedMonitoring
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S torm E vent Monitoring11Prep
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W atershedMonitoring
Summary of Non-Storm Water Based Screening and Monitoring Program
Receiving Water No. of Outfa l lsNo. of S c reening Events S inc e Dec
28, 2012
S ignif ic ant Non- S torm W ater Disc harges
T otal C onfirm ed T otal No. B eing Monitored
R io Hondo 29 6 2 2
Alham bra W ash 188 6 4 4
Arc adia W ash 30 6 0 0
Eaton W ash 175 6 1 1
R ubio W ash 99 6 0 0
Arroyo S ec o 194 6 4 4
C om pton C reek 84 6 2 2
S egm ent E 96 6 5 5
Aliso C anyon W ash 84 2 T B D T B D
B ell C reek 56 2 T B D T B D
Dry C anyon C reek 31 2 T B D T B D
Mc C oy C anyon C reek 18 2 T B D T B D
T otal 1084 56 18 16
NSWOScreening and Monitoring
Progress
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W atershed MonitoringWater Qual it y Trends Analysis
Improving21%
Decl ining12%
Staying the Same67%
DRY WEATHERImproving
31%
Decl ining4%
Staying the same65%
WET WEATHER
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Post- E W MP Projec tsUL AR E W MP
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T he Projec ts
15Glendale Green Street S an Fernando R egional Park
● Reinvigorated “multi-benefit projects”
● New grant programs prioritized water quality, greening, & DAC
● New opportunities identified
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T he Projec ts
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East Los Angeles Sustainable Median S tormwater Capture Project
• 21 ac- ft of runoff• E nhanced recreational space• U rban greening• Aesthetic beautification• Groundwater recharge
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T he Projec ts
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590 ac - ft/ yrc onservation
benefit
• Create 21-acre detention pond• Create 10-ac wetlands• Create 15-ac recreational space• Create new aquatic/ riparian habitat• Groundwater recharge
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T he Projec ts
18Roosevelt Park
• 8 ac- ft of runoff and dry weather flows
• E nhanced recreational space• Groundwater recharge
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T he Projec ts
19Taylor Yard (G2) Los Angeles
• 42 acre green space• E xtensive habitat restoration• Diverting (3) stormdrains from 4600
ac drainage are for treatment and potential reuse
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T he Projec ts
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Alhambra Wash LFD• L FD to route dry weather
flows to W ater R eclamation Plant
• W ater Conservation
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T he Projec ts
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Almansor Park• 31 ac- ft of runoff• Capture and reuse• Groundwater recharge
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T he Projec ts
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Avalon Green Alley N orth• 2 ac- ft of runoff• Pedestrian connectivity• Groundwater recharge
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T he Projec ts
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Avalon Green Alley S outh• 4.1 ac- ft of runoff• Pedestrian connectivity• Groundwater recharge
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T he Projec ts
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Branford Street Dry W ell Project• 18 ac- ft of runoff• E nhanced flood control
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T he Projec ts
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Broadway N eighborhood Greenway• 41 ac- ft of runoff• E nhanced flood control• Groundwater recharge
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T he Projec ts
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Buena Vista Library• .15 ac- ft of runoff• Urban greening• Groundwater recharge
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T he Projec ts
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Calabasas City-W ide Green S treet Project• 6 ac- ft of runoff• Urban greening • Groundwater recharge
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T he Projec ts
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CalTrans R OW S tormwater Project• 15 ac- ft of runoff• Groundwater recharge
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T he Projec ts
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Desiderio Park• 3.8 ac neighborhood park• Infiltration of on- site runoff• R educe localized flooding• N ew habitat and
recreational green space
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T he Projec ts
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Durfee Avenue S treet and Median Improvement Project• B ioretention areas for
runoff• Urban greening• Pedestrian
connectivity/ safety
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T he Projec ts
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Eaton Wash LFD• L FD to route dry weather
flows to W ater R eclamation Plant
• W ater Conservation
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T he Projec ts
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Echo Park Lake R ehabilitation• 305 ac- ft of runoff• Capture and treatment• R educed localized flooding• E nhanced aquatic habitat
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T he Projec ts
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Elmer Avenue Green S treet• 16 ac- ft of runoff• E nhanced flood control• Groundwater recharge• Urban greening
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T he Projec ts
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Foothill Boulevard L ink B ikeway & Greenbelt Project • S tormwater capture
and infiltration• Urban greening• E nhanced pedestrian
connectivity
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T he Projec ts
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Garvanza Park S tormwater C apture Project• 50 ac- ft of runoff• Capture and reuse• W ater conservation
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T he Projec ts
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Glenoaks- S unland S tormwater C apture• 28 ac- ft of runoff• E nhanced flood control• Urban Greening
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T he Projec ts
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Green Street Demonstration Project• (4) B ioretention rain gardens• Urban greening
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T he Projec ts
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Hansen Dam W etlands R estoration• 31 ac- ft of runoff• R estored habitat • E nhanced green space• Groundwater recharge
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T he Projec ts
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Hermon Dog Park• L FD dry weather flows
to sewer• T reat wet weather
flows through biorention areas
• Urban greening• W ater conservation
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T he Projec ts
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Laurel Canyon B oulevard Green S treet• 50 ac- ft of runoff• E nhanced flood control• Urban Greening
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T he Projec ts
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LA Zoo Parking Lot R etrofit• 25 ac- ft of runoff• R educe localized flooding• R educe “heat is land” effect
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T he Projec ts
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Manchester Greenway• 2 ac- ft of runoff• W ater conservation• Improved public health
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T he Projec ts
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Marshall Community Park• N ew recreational park
space and habitat• R educe localized flooding• R educe “heat is land”
effect
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T he Projec ts
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McCambridge Park• 26 ac- ft of runoff• E nhanced habitat• Groundwater recharge
Bioretention Area
Underground Infiltration System
Permeable Pavement
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T he Projec ts
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Montebello B oulevard• B ioretention and
treatment of runoff• Urban greening• E nhanced pedestrian
connectivity
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T he Projec ts
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Montezuma Avenue• B ioretention rain garden• E nhanced recreational
green space
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T he Projec ts
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North Hollywood Green Alley• 14 ac- ft of runoff• W ater conservation• Improved public health
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T he Projec ts
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North Atwater Creek R estoration• 39 ac- ft of runoff• S treambed restoration• E nhanced open space/ habitat
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T he Projec ts
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Oros Green S treet• 3 ac- ft of runoff• R educed localized
flooding• Pre- treatment to L A R iver
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T he Projec ts
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Ramona Avenue• B ioretention rain garden• Urban greening
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T he Projec ts
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Ramona Rain Gardens• 1 ac- ft of runoff• W ater conservation• Improved public health
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T he Projec ts
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Riverdale Avenue Green S treet• 14 ac- ft of runoff• W ater conservation• Improved public health
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T he Projec ts
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Rosemead B oulevard S afety and B eautification• B iorentention of runoff• Urban greening• Aesthetic beautification
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T he Projec ts
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Rubio Wash LFD• L FD to route dry weather
flows to W ater R eclamation Plant
• W ater Conservation
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T he Projec ts
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Sun Valley Park S tormwaterInfiltration Project• 30 ac- ft of runoff• R educe localized flooding• Groundwater recharge• E nhanced green space
and habitat
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T he Projec ts
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Temple City Parking L ot R etrofit• On- site L ID• Urban greening• Aesthetic beautification
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T he Projec ts
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Woodman Avenue Median Green S treet• 46 ac- ft of runoff• R educe localized
flooding• W ater conservation
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L ooking AheadUL AR E W MP
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R egional PermitMonitoringIdentify, based on lessons learned, monitoring program elements for optimization
SynchronicityEnhance regulatory correlation among the various Regional/ State permits impacting water quality
Watershed-specific metricsRecognize uniqueness of the various watersheds and provide allowances for compliance reporting metrics
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Implement • Learn • Rework
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Upper L os Angeles R iver W MG60
T he hard w orking agenc y staff and c onsultants of the UL AR W MG