Getting stormwater out of the sewer and into the ground

  • Upload
    hrnerr

  • View
    220

  • Download
    0

Embed Size (px)

Citation preview

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    1/13

    New York State Water

    Resources Institute

    andintotheground

    EmilyVail

    NYS Department of Environmental Conservation

    u son ver s uary rogram

    NYSDepartmentofEnvironmentalConservation

    CornellUniversity

    NYS

    Water

    Resources

    Institute

    RevitalizingHudsonRiverfronts | Peekskill,NY | Nov15,2012

    PresentationOutline

    Overflowingsewage

    overflows(CSOs)

    Separatedsewer

    overflows(SSOs)

    Impactofstormwater

    Greeninfrastructure

    Planning

    Practices

    Benefits

    Whatyoucando Raingarden,PiermontLibrary

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    2/13

    ImportanceofWatersheds

    managementfromawatershed

    perspective,becausestormwatertravelsto

    waterbodies(andcanleadtoproblemsif

    notmanagedwell)

    The

    land

    and

    water

    that

    drain

    to

    a

    common

    outlet

    FromNEMO

    Whatis

    aCombined

    Sewer

    System?

    USEPA

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    3/13

    WhatisaSeparatedSewerSystem?

    USEPA

    CSOson

    the

    Hudson

    AlbanyPoolAlbany,Rensselaer,

    Troy,EastGreenbush,Bethlehem,

    &Watervliet

    Catskill

    Hudson

    Kingston

    Poughkeepsie

    Yonkers

    Newburgh

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    4/13

    Wetweatherleadstooverflows

    Combinedsewerorse aratedsewer

    OverflowingSewage

    Impactspublichealth,waterrecreation

    Degradeswaterquality

    SanitaryseweroverflowinPoughkeepsie PumpstationinPiermont

    Waterqualityproblems

    Stormwater CarriesPollutants

    Nutrients

    Roadsalt

    Oil/grease

    Trash

    Waterquantityproblems

    Flooding

    Erosion

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    5/13

    WhatisGreenInfrastructure?

    Differentapproachtostormwaternaturaland

    eng neere sys ems a m m cna ure

    Managerunoffby

    maintainingorrestoring

    naturalhydrology

    allowstormwater to

    infiltrateandbe

    used

    by

    plants

    Grayvs.

    Green

    Infrastructure

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    6/13

    GreenInfrastructure

    Regionalandlocalscales

    Includeslowimpact

    developmentprojects

    Providesmultiplebenefits

    Slowstheflowofrunoff

    Removes ollutants

    Keepswateroutofthe

    stormsewer

    system

    NYSStormwater

    Design

    Manual

    1.Planning

    A.Preservingnatural

    areas

    B.Reducingpaved

    Avoidstormwater

    Reducestormwater

    2.Greeninfrastructure

    practicesManagestormwater

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    7/13

    1.GreenInfrastructurePlanning

    A.

    Preservenatural

    areas

    reduce

    disturbance,

    clusterdevelopment

    B. Reducepavedsurfaces driveways,parkinglots,

    roads,etc.

    TraditionalSubdivision ConservationSubdivision

    DutchessCountyGreenwayGuide

    2.Green

    Infrastructure

    Practices

    Naturalfeaturesandengineeredpracticesthat

    Treatstormwaterclosertowheretherainfalls

    ExamplesonHREP

    website:http://www.dec.ny.gov/

    .

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    8/13

    RainGardens&BioretentionAreas

    Shallowdepression

    of

    soil

    and

    plants,

    filters

    runoff

    and

    slowsitsflow

    AshfordPark,Ardsley Mt.PleasantHighwayGarage

    GreenRoofs

    Layersofsoilandvegetationonrooftopsthatcapturerunoff

    SUNYOrange,Newburgh MaristCollege,Poughkeepsie

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    9/13

    PorousPavement

    Pavedsurfaces

    that

    allow

    stormwater

    to

    infiltrate

    NYSParks,Recreation&Historic

    Preservation,Staatsburg

    SojournerTruthUlsterLanding

    CountyPark,Saugerties

    RainBarrels

    or

    Cisterns

    Captureandstorerooftoprunofftoreuseforwateringplants

    andotheruses

    GreenburghNatureCenterForsythNatureCenter,Kingston

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    10/13

    StreamBufferRestoration

    Improvesstream

    health,

    filters

    and

    slows

    polluted

    runoff,

    manyotherbenefits

    MacGregoryBrook,Peekskill PascackBrook,SpringValley

    OtherGreen

    Infrastructure

    Practices

    Vegetatedswales Streettrees

    Stormwaterplanter busshelter,Ardsley Daylighting SawMillRiverinYonkers

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    11/13

    BenefitsofGreenInfrastructure

    Managestormwater

    (quality

    and

    quantity)

    Rechargegroundwater

    ReduceCSOs,reducewastewatertreatmentcosts

    Coolurbanareas energysavings

    Providewildlifehabitat

    Improveairquality

    mprove uman ea

    Increase

    land

    values Beautifyneighborhoods

    GreenInfrastructure

    Saves

    Money

    NewYorkCity(over20years)

    vera cos :

    Green$5.3billion

    Gray$6.8billion

    PergallonofCSOreduced:

    Green~$0.45

    ~ .

    Philadelphia(over40years)

    Green$2,846.4millioninbenefits

    Gray$122.0millioninbenefits

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    12/13

    ImplementingGreenInfrastructure

    Homeowners,watershed

    rou s,nei hborhoods,

    regionalplanners,businesses,

    and

    Municipalities

    Planning

    encourage,incentivize,or

    require

    Demonstrationsites SUNYOrange,Middletown

    Whatcan

    you

    do?

    Planforgreeninfrastructure

    Incor orate into CSO Lon

    TermControlPlans

    Reviewcodes/ordinances

    Visitlocalpractices

    Builddemonstrationprojects

    Restorestreambufferswith

    TreesforTribs

  • 8/11/2019 Getting stormwater out of the sewer and into the ground

    13/13

    New York State Water

    Resources Institute

    m y aWatershedOutreachSpecialist

    [email protected]

    (845)2563145

    NYS Department of Environmental Conservation

    HudsonRiverEstuaryProgram

    NewYorkStateDepartmentofEnvironmentalConservation

    Incooperation

    with

    Cornell

    University

    NYS

    Water

    Resources

    Institute