Upper LA River EW MP Dawn Petschauer, City of LA May 10, 2018 - - PowerPoint PPT Presentation

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Upper LA River EW MP Dawn Petschauer, City of LA May 10, 2018 - - PowerPoint PPT Presentation

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Los Angeles Regional W ater Quality Control Board Upper LA River EW MP Dawn Petschauer, City of LA May 10, 2018 Stats & Numbers 19 participating agencies 485 sq miles (approx.) largest EWMP 21 waterbodies Diverse

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SLIDE 1

Upper LA River EW MP

Dawn Petschauer, City of LA May 10, 2018 Los Angeles Regional W ater Quality Control Board

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SLIDE 2

Stats & Numbers

  • 19 participating agencies
  • 485 sq miles (approx.) – largest EWMP
  • 21 waterbodies
  • Diverse hydrology

2

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SLIDE 3

3

Our growth

RB Issued MS4 Permit

December

ULAR EW MP Approved

April

RB May 10 W orkshop

2012 2016 2017 2018

Implem emen entation

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SLIDE 4

Pre-EW MP Projects

ULAR EW MP

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SLIDE 5

Early Projects

5

Elmer P Paseo eo Ros

  • se B

Bow

  • wl

Sout

  • uth Los

Los A Ang ngeles Wetlan ands

  • Agencies actively pursuing opportunities
  • Green Streets
  • Low Impact Development
  • City of LA – Prop O
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SLIDE 6

Trash TMDL

  • ~70K+

catch basins retrofitted

  • Myriad of structural controls
  • New technologies
  • Institutional measures
  • Enhanced MCMs
  • In-River monitoring

6

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SLIDE 7

Bacteria TMDL

7

893

Outfalls inventoried and prioritized

25

Priority projects identified

2

Projects completed 9

Projects in design

5

LRS submitted to RB

  • Phased Approach
  • Load Reduction Strategies

○

LA River Segment B

○

Arroyo Seco / Rio Hondo

○

LA River Segment E

○

Compton Creek

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SLIDE 8

Bacteria TMDL

8

  • Outfall Screening
  • Prioritization

LA City Humboldt Greenway

  • Projects
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SLIDE 9

W atershed Monitoring

ULAR EW MP

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SLIDE 10

10

Station Type # of monitoring locations Automated sampling stations (wet weather) Main Stem RW 6 (2 ME sites) 4 Tributary RW 11 N/ A Lakes 3 N/ A SW O 12 12 Total 32 16

W atershed Monitoring

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SLIDE 11

Storm Event Monitoring

11

Prep

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W atershed Monitoring

Sum ummary of
  • f N
Non
  • n-Storm W
Water er Based ed Screeni eening ng a and nd M Moni nitoring ng P Program Rec ecei eiving W Water er
  • No. of Outfalls
  • No. of Screening
Events Since Dec 28, 2012 Significant Non-Storm W ater Discharges Total Confirmed Total No. Being Monitored Rio Hondo 29 6 2 2 Alhambra W ash 188 6 4 4 Arcadia W ash 30 6 Eaton W ash 175 6 1 1 Rubio W ash 99 6 Arroyo Seco 194 6 4 4 Compton Creek 84 6 2 2 Segment E 96 6 5 5 Aliso Canyon W ash 84 2 TBD TBD Bell Creek 56 2 TBD TBD Dry Canyon Creek 31 2 TBD TBD McCoy Canyon Creek 18 2 TBD TBD Total 1084 56 18 16

NSW SWO Screeni ning ng a and nd Moni

  • nitor
  • ring

ng Pro rogre ress

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W atershed Monitoring

Wat ater Q Qual ality Trends A s Analysi sis

Improv
  • ving
ng 21% 1% Dec eclini ning ng 12 12% Staying ng t the he Sa Same 67% 7%

DRY WEA EATHER ER

Improv
  • ving
ng 31% 1% Dec eclini ning ng 4% 4% Staying ng t the he sa same 65% 5%

WET ET WEA EATHER ER

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SLIDE 14

Post-EW MP Projects

ULAR EW MP

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SLIDE 15

The Projects

15

Glendale Green Street San Fernando Regional Park

  • Reinvigorated “multi-

benefit projects”

  • New grant programs

prioritized water quality, greening, & DAC

  • New opportunities

identified

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SLIDE 16

The Projects

16

East Los Angeles Sustainable Median Stormwater Capture Project

  • 21 ac-ft of runoff
  • Enhanced recreational space
  • Urban greening
  • Aesthetic beautification
  • Groundwater recharge
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SLIDE 17

The Projects

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590 ac-ft/ yr conservation 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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SLIDE 18

The Projects

18

Roosevelt Park

  • 8 ac-ft of runoff and dry weather

flows

  • Enhanced recreational space
  • Groundwater recharge
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The Projects

19

Taylor Yard (G2) Los Angeles

  • 42 acre green space
  • Extensive habitat restoration
  • Diverting (3) stormdrains from 4600

ac drainage are for treatment and potential reuse

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The Projects

20

Alhambra Wash LFD

  • LFD to route dry weather

flows to W ater Reclamation Plant

  • W ater Conservation
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SLIDE 21

The Projects

21

Almansor Park

  • 31 ac-ft of runoff
  • Capture and reuse
  • Groundwater recharge
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SLIDE 22

The Projects

22

Avalon Green Alley North

  • 2 ac-ft of runoff
  • Pedestrian connectivity
  • Groundwater recharge
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SLIDE 23

The Projects

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Avalon Green Alley South

  • 4.1 ac-ft of runoff
  • Pedestrian connectivity
  • Groundwater recharge
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SLIDE 24

The Projects

24

Branford Street Dry W ell Project

  • 18 ac-ft of runoff
  • Enhanced flood control
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SLIDE 25

The Projects

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Broadway Neighborhood Greenway

  • 41 ac-ft of runoff
  • Enhanced flood control
  • Groundwater recharge
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The Projects

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Buena Vista Library

  • .15 ac-ft of runoff
  • Urban greening
  • Groundwater recharge
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The Projects

27

Calabasas City- W ide Green Street Project

  • 6 ac-ft of runoff
  • Urban greening
  • Groundwater recharge
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SLIDE 28

The Projects

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CalTrans ROW Stormwater Project

  • 15 ac-ft of runoff
  • Groundwater recharge
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The Projects

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Desiderio Park

  • 3.8 ac neighborhood park
  • Infiltration of on-site runoff
  • Reduce localized flooding
  • New habitat and

recreational green space

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The Projects

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Durfee Avenue Street and Median Improvement Project

  • Bioretention areas for

runoff

  • Urban greening
  • Pedestrian

connectivity/ safety

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SLIDE 31

The Projects

31

Eaton Wash LFD

  • LFD to route dry weather

flows to W ater Reclamation Plant

  • W ater Conservation
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SLIDE 32

The Projects

32

Echo Park Lake Rehabilitation

  • 305 ac-ft of runoff
  • Capture and treatment
  • Reduced localized flooding
  • Enhanced aquatic habitat
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SLIDE 33

The Projects

33

Elmer Avenue Green Street

  • 16 ac-ft of runoff
  • Enhanced flood control
  • Groundwater recharge
  • Urban greening
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SLIDE 34

The Projects

34

Foothill Boulevard Link Bikeway & Greenbelt Project

  • Stormwater capture

and infiltration

  • Urban greening
  • Enhanced pedestrian

connectivity

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SLIDE 35

The Projects

35

Garvanza Park Stormwater Capture Project

  • 50 ac-ft of runoff
  • Capture and reuse
  • W ater conservation
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SLIDE 36

The Projects

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Glenoaks-Sunland Stormwater Capture

  • 28 ac-ft of runoff
  • Enhanced flood control
  • Urban Greening
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SLIDE 37

The Projects

37

Green Street Demonstration Project

  • (4) Bioretention rain gardens
  • Urban greening
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SLIDE 38

The Projects

38

Hansen Dam W etlands Restoration

  • 31 ac-ft of runoff
  • Restored habitat
  • Enhanced green space
  • Groundwater recharge
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The Projects

39

Hermon Dog Park

  • LFD dry weather flows

to sewer

  • Treat wet weather

flows through biorention areas

  • Urban greening
  • W ater conservation
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The Projects

40

Laurel Canyon Boulevard Green Street

  • 50 ac-ft of runoff
  • Enhanced flood control
  • Urban Greening
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The Projects

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LA Zoo Parking Lot Retrofit

  • 25 ac-ft of runoff
  • Reduce localized flooding
  • Reduce “heat island” effect
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The Projects

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Manchester Greenway

  • 2 ac-ft of runoff
  • W ater conservation
  • Improved public health
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The Projects

43

Marshall Community Park

  • New recreational park

space and habitat

  • Reduce localized flooding
  • Reduce “heat island”

effect

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The Projects

44

McCambridge Park

  • 26 ac-ft of runoff
  • Enhanced habitat
  • Groundwater recharge
Bioretention Area Underground Infiltration System Permeable Pavement
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The Projects

45

Montebello Boulevard

  • Bioretention and

treatment of runoff

  • Urban greening
  • Enhanced pedestrian

connectivity

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The Projects

46

Montezuma Avenue

  • Bioretention rain garden
  • Enhanced recreational

green space

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The Projects

47

North Hollywood Green Alley

  • 14 ac-ft of runoff
  • W ater conservation
  • Improved public health
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The Projects

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North Atwater Creek Restoration

  • 39 ac-ft of runoff
  • Streambed restoration
  • Enhanced open space/ habitat
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The Projects

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Oros Green Street

  • 3 ac-ft of runoff
  • Reduced localized

flooding

  • Pre-treatment to LA River
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The Projects

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Ramona Avenue

  • Bioretention rain garden
  • Urban greening
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The Projects

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Ramona Rain Gardens

  • 1 ac-ft of runoff
  • W ater conservation
  • Improved public health
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The Projects

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Riverdale Avenue Green Street

  • 14 ac-ft of runoff
  • W ater conservation
  • Improved public health
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The Projects

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Rosemead Boulevard Safety and Beautification

  • Biorentention of runoff
  • Urban greening
  • Aesthetic beautification
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The Projects

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Rubio Wash LFD

  • LFD to route dry weather

flows to W ater Reclamation Plant

  • W ater Conservation
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The Projects

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Sun Valley Park Stormwater Infiltration Project

  • 30 ac-ft of runoff
  • Reduce localized flooding
  • Groundwater recharge
  • Enhanced green space

and habitat

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SLIDE 56

The Projects

56

Temple City Parking Lot Retrofit

  • On-site LID
  • Urban greening
  • Aesthetic beautification
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SLIDE 57

The Projects

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Woodman Avenue Median Green Street

  • 46 ac-ft of runoff
  • Reduce localized

flooding

  • W ater conservation
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Looking Ahead

ULAR EW MP

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Regional Permit

Monit itorin ing Identify, based on lessons learned, monitoring program elements for

  • ptimization

Sync nchr hroni nicity Enhance regulatory correlation among the various Regional/ State permits impacting water quality Water ershed ed-specif ific ic metric ics Recognize uniqueness of the various watersheds and provide allowances for compliance reporting metrics

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Implem emen ent • Le Learn • Re Rework

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Upper Los Angeles River W MG

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The hard working agency staff and consultants of the ULAR W MG

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Thanks!

Any q que uestion

  • ns?

You can find me at dawn.petschauer@ lacity.org