getting stormwater out of the sewer and into the ground
TRANSCRIPT
-
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
(845)2563145
NYS Department of Environmental Conservation
HudsonRiverEstuaryProgram
NewYorkStateDepartmentofEnvironmentalConservation
Incooperation
with
Cornell
University
NYS
Water
Resources
Institute