RA 9904 - IRR - Magna Carta for Homeowners & Homeowners Associations
Stormwater Management for Homeowners. Where does water go?
-
Upload
grace-beatrice-mason -
Category
Documents
-
view
216 -
download
0
Transcript of Stormwater Management for Homeowners. Where does water go?
![Page 1: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/1.jpg)
Stormwater Management Stormwater Management for Homeownersfor Homeowners
![Page 2: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/2.jpg)
Where does water go?Where does water go?
![Page 3: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/3.jpg)
Water infiltrationWater infiltration
![Page 4: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/4.jpg)
What’s in a watershed?What’s in a watershed?
![Page 5: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/5.jpg)
Many watersheds now…Many watersheds now…
![Page 6: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/6.jpg)
North Carolina is rainy!North Carolina is rainy!
![Page 7: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/7.jpg)
Surface Runoff
![Page 8: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/8.jpg)
Surface RunoffSurface Runoff
![Page 9: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/9.jpg)
Surface runoffSurface runoff
Picks up pollutantsPicks up pollutants Often flows right into Often flows right into
streamsstreams Increases flooding and Increases flooding and
erosionerosion
![Page 10: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/10.jpg)
![Page 11: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/11.jpg)
![Page 12: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/12.jpg)
![Page 13: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/13.jpg)
Common runoff pollutantsCommon runoff pollutants
![Page 14: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/14.jpg)
Common runoff pollutantsCommon runoff pollutants
![Page 15: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/15.jpg)
Common runoff pollutantsCommon runoff pollutants
![Page 16: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/16.jpg)
Effects of Water PollutionEffects of Water Pollution
![Page 17: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/17.jpg)
Effects of Water PollutionEffects of Water Pollution
Photo courtesy of NRCS
![Page 18: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/18.jpg)
![Page 19: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/19.jpg)
In NC, approximately In NC, approximately 5000 stream miles5000 stream miles (16%) are impaired by sediment, pathogens, (16%) are impaired by sediment, pathogens, low DO, nutrients, & habitat degradationlow DO, nutrients, & habitat degradation
![Page 20: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/20.jpg)
What can you do?What can you do?
Slow water en route Slow water en route to streams to to streams to reduce floodingreduce flooding
Clean water en Clean water en route to streams to route to streams to reduce pollutionreduce pollution
But how?
![Page 21: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/21.jpg)
With a rain garden!With a rain garden!
Create and plant a Create and plant a shallow depressionshallow depression
Restore infiltrationRestore infiltration
![Page 22: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/22.jpg)
BioretentionBioretention
![Page 23: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/23.jpg)
![Page 24: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/24.jpg)
NCSU-led Study in Greensboro
2002-2004
![Page 25: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/25.jpg)
Annual Pollutant LoadingsAnnual Pollutant Loadings
0.460.01
3.68
0.020
0.51
1.52
2.53
3.54
Mass (Kg)
Zn Cu
InOut
Greensboro Cell G2Greensboro Cell G2
![Page 26: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/26.jpg)
Chapel Hill Cell, C1Chapel Hill Cell, C1
NCSU-led StudyNCSU-led Study
2002-20032002-2003
![Page 27: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/27.jpg)
Annual Pollutant LoadingsAnnual Pollutant Loadings
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Mass (Kg)
TN NO3-N TKN TP
InOut
Chapel Hill Cell C1Chapel Hill Cell C1
![Page 28: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/28.jpg)
Soil StabilizationSoil Stabilization
Cover disturbed Cover disturbed soil to reduce soil to reduce erosionerosion
Turf MatsTurf Mats
![Page 29: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/29.jpg)
Permeable PavementPermeable Pavement Allows for rainfall Allows for rainfall
infiltrationinfiltration
Low traffic surfaces Low traffic surfaces (driveways, parking (driveways, parking lots, walk ways)lots, walk ways)
Used along coastal Used along coastal regions in areas of regions in areas of sandy soilsandy soil
![Page 30: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/30.jpg)
![Page 31: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/31.jpg)
Rainwater HarvestingRainwater Harvesting
![Page 32: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/32.jpg)
![Page 33: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/33.jpg)
Rain garden principlesRain garden principles
Place between stormwater source and destination Place between stormwater source and destination (between house and stream, low spots in yard, or street)(between house and stream, low spots in yard, or street)
Soil and plants filter pollutant from waterSoil and plants filter pollutant from water Infiltration slows water to decrease floodingInfiltration slows water to decrease flooding
![Page 34: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/34.jpg)
![Page 35: Stormwater Management for Homeowners. Where does water go?](https://reader033.fdocuments.net/reader033/viewer/2022052702/56649f255503460f94c3bd56/html5/thumbnails/35.jpg)
Rain garden benefitsRain garden benefits
Restore infiltrationRestore infiltration
Provide wildlife Provide wildlife habitathabitat
Add beauty (and Add beauty (and value) to your value) to your propertyproperty