Pollution Prevention and Maintenance Michelle LaRocco Coastal Training Program Coordinator North Inlet - Winyah Bay National Estuarine Research Reserve Michelle.LaRocco@belle.baruch.sc.edu 843-904-9034 Evals at the end – please fill these out If you are interested in future programs from CWSEC, note this at the bottom of your page and put contact info. Hands-on activities Please get in a group where you don’t know everyone – let’s mix it up a bit – meet someone new! To make it more fun and meaningful for the participants -- Stormwater folks this is a chance for you to observe w/o giving all the answers
Where does it come from?
Typical Stormwater Structures Identifying stormwater structures – 3
The Stormwater “Super-Highway”
Identifying stormwater structures – storm water is a resource 5
Pathogens Sediments Organic Debris FOGs Nutrients Toxic Chemicals Pollution Prevention Pathogens Sediments Organic Debris FOGs Nutrients Toxic Chemicals Litter
Where does it go?
Identifying stormwater structures- ditch collector for stormwater 8
9 Typical parts of a stormwater pond Stormwater Pond “Parts” & When To Take Action!- Delaware Department of Natural Resources and Environmental Control Division of Soil and Water Conservation, Sediment and Stormwater Program 302-739-9921 9
Typical storm water pond – is there a stormwater facility maintenance agreement in place and do the property managers consult it. 10
Dry detention pond 11
12 Typical parts of a stormwater pond Stormwater Pond “Parts” & When To Take Action!- Delaware Department of Natural Resources and Environmental Control Division of Soil and Water Conservation, Sediment and Stormwater Program 302-739-9921 12
Don’t release them in the first place. How to stop pollutants from getting in our waterways? Don’t release them in the first place. Properly maintain stormwater structures to capture them.
Good Housekeeping and Good Maintenance
Pathogens Pet Waste Use a plastic bag and dispose of pet waste in trash Install pet waste digesters
Toxic Chemicals Household Hazardous Waste Facility Acids/bases Toxic, corrosive, reactive and flammable materials present common household disposal challenges. If mismanaged or disposed of improperly, these materials can contaminate the environment. The SWA manages a Household Hazardous Waste (HHW) Facility to collect these harmful materials, free to residents of Horry County, SC. The HHW Facility is a permanent facility, open year-round on the third Saturday of every month from 8 AM - 3PM or by appointment. For more information, call (843) 347-1651. Acceptable Materials: Toxic Chemicals Household Hazardous Waste Facility Acids/bases Aerosols Antifreeze Batteries Brake fluids Corrosives Drain Openers Flammables Fuel Furniture strippers Gasoline Household cleaners Household polishes Kerosene Lighter fluid Oxidizers Paints Pesticides Photo chemicals Poisons Pool chemicals Solvents/thinners Weed killers Wood preservatives http://www.solidwasteauthority.org/landfill.html
Fats, Oils, Greases (FOGs) & Dumpster Management Dumpster management- dumpster juice! 17
Over irrigation 19
Where does the fertilizer go?
Nutrients & Pesticides 22 Fertilizer Runoff Pesticide Runoff Grass Clipping Use the least amount possible – more is not better 22
Sediments & Organic Debris http://www.clemson.edu/extension/natural_resources/water/stormwater_ponds/images/major_shoreline_slumping.JPG
Buffers Vegetated buffer strips Don’t mow to the edge Slows stormwater flows and adds treatment Littoral shelves or aquatic “benches”
http://www.clemson.edu/extension/hgic/water/resources_stormwater/shoreline_plants_in_south_carolina_waterfronts.html
Width Plant Types Plant Species Wildlife Habitat 26
http://lh6.ggpht.com/_LFcmuXNnYi0/R0-FdhSodOI/AAAAAAAACqo/P04NIJZ69M0/s800/Geese-on-pond-1.jpg
http://s3-media3. fl. yelpcdn. com/bphoto/fBG8EPH-PH3i5MTpL1H38A/348s http://s3-media3.fl.yelpcdn.com/bphoto/fBG8EPH-PH3i5MTpL1H38A/348s.jpg http://www.funbeaches.com/December/ducks.jpg
Tools to help Manage Stormwater Facilities www.clemson.edu/extension/natural_resources/water/stormwater_ponds/
Structural Failures http://www.clemson.edu/extension/natural_resources/water/stormwater_ponds/images/broken_inlet.JPG http://www.clemson.edu/extension/natural_resources/water/stormwater_ponds/images/board_over_outfall.JPG
Sediment Removal Frequency Maintenance Schedules Type of BMP Sediment Removal Frequency Facility Life Span Wet Pond 5 to 15 years 20 to 50 years Dry Pond 2 to 10 years Infiltration Trench Monthly or as needed 10 years Bioretention System 5 to 10 years 10 to 25 years Vegetated Swale As needed Manufactured BMP Annually or as required 20 to 100 years
Downspout disconnection Can allow the runoff from the roof to soak into the lawn, but there could be concerns about just increasing pesticide/nutrient runoff http://www.jamespasternak.ca/wp-content/uploads/2012/11/downspout.jpg
Rainwater capture and reuse around for landscaping. http://www.cbtrust.org/atf/cf/%7BEB2A714E-8219-45E8-8C3D-50EBE1847CB8%7D/rain-barrel.jpg http://sarasota.ifas.ufl.edu/FYN/images/Alsrainbarrel.JPG
Thank You Tara Groner Stormwater Program Coordinator City of Myrtle Beach TGroner@cityofmyrtlebeach.com (843) 918-2017 Lisa Swanger Coastal Waccamaw Watershed Education Programs Coordinator lswanger@coastal.edu (843) 349-2839 Sean Torrens S.C. Department of Health and Environmental Control TORRENSI@dhec.sc.gov (843) 238-4378 Susan Libes, Ph.D. Professor and Director of the Waccamaw Watershed Academy Coastal Carolina University susan@coastal.edu (843) 349-4028 Michelle LaRocco Coastal Training Program Coordinator North Inlet - Winyah Bay National Estuarine Research Reserve Michelle.LaRocco@belle.baruch.sc.edu (843) 904-9034 Thank You 36