Download - The Dirt on Water Pollution
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The Dirt on Water Pollution
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What is a Watershed?
All the water and the land area that “sheds” its water into a particular river, bay, or ocean
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Stormwater Contributes to Water Pollution
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Common Water Pollutants Found in Stormwater
Nutrients (nitrogen & phosphorus)Nutrients (nitrogen & phosphorus) Pesticides/HerbicidesPesticides/Herbicides SedimentsSediments BacteriaBacteria Oil and GreasesOil and Greases
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Nutrients
Causes of nutrient pollution
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Nutrients act as “vitamins” for plant and algae growth in the water
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Sediment
Common sources of sedimentation are erosion from unprotected stream banks
and having bare soils exposed
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Suspended sediment gives waterbodies a brownish color.This reduces amount of sunlight in the water that is important to aquatic life
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Bacteria
Animal waste and human waste get washed into rivers and streams by stormwater flows.
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Bacteria found in waste material can be harmful to humans and wildlife
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Pesticides and Herbicides
Just like fertilizers, applying too much pesticide and Herbicide can contribute to water pollution
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Oils, Greases and Household Chemicals
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Helping to Solve the Problem
DelDOT’s Stormwater Quality Program works to prevent harmful pollutants from being washed by stormwater runoff (or dumped) into the storm sewer system and then discharged from the storm sewer system into local waterbodies.
What specifically does the Stormwater Quality and the NPDES Program do?
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The Stormwater Quality Program Includes
Performing illicit discharge investigation and remediation
Controlling construction site stormwater runoff
Managing post-construction stormwater in new developments
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BMP retrofits, structural controls and operations, spill prevention and response, and flood control projects
Also…
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And…
Public education and training
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Water Pollution is Everyone’s Problem
So, Be Part Of The Solution!
What are some things that I can do that will make a big difference?
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Report Illegal Storm Drain Dumping
To Report Call:To Report Call:
DNREC 800-662-8802 DelDOT 800-652-5600
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To Report a Stormwater Maintenance Concern
DNREC Stormwater Help Line: 800-464-4357
DelDOT General Information:800-652-5600
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Dispose of Hazardous Waste Properly
Hazardous materials should never be poured down storm drains or buried
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Clean up After Your Pet
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Maintain Cars
Check for drips and leaks of automotive fluids Clean up all spills immediatelyRecycle your car’s oil
Properly dispose of other automotive fluids as household hazardous wasteWash your car on a grassy area or use a carwash (they recycle water!)
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Have your Soil Tested…
…Before adding fertilizer
New Castle Cooperative Extension
(302) 831-2667
Kent Cooperative Extension
(302) 730-4000
Sussex Cooperative Extension
(302) 856-2585
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Maintain Septic Systems Properly
Remember to have your septic inspected every 3-5 years
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For more information…
About stormwater issues and what we discussed in this presentation, you can:
Visit our website at: www.deldot.gov/stormwater
or Request the Delaware Nature
Society and the Stroud Water Research Center’s video: Protecting Our Waters: Who’s Got The Power? from DelDOT
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Thank youDo you have any Questions?