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Home My Public Portal AboutClean Water - You Can Make a Difference Protecting Our Waterwayswww.stlmsd.com/whatcanido Clean Water Stream Clean-Ups Volunteer for a Stream Clean-Up project to help keep trash out of our waters, plant trees, monitor water quality and much more. Visit mostreamteam.org for more information. You can also join MSD and our partners for a Stream Clean-Up event: Missouri/Mississippi Operation Clean Stream on Meramec with Open Space Council in August, and River des Peres Trash Bash with River des Peres Watershed Coalition in the Fall. Only Rain Down the Storm Drain You can volunteer with MSD to install markers as a reminder that storm drains lead directly to the water supply we use for Confuluence Trash Bash with the Greenway Network in March. You Can Make a Difference Protecting our Waterways You Can Make a Difference Protecting our Waterways drinking water. Call 314/436-8710 to get involved with the Stream Clean-Ups or the Storm Drain Marker Project. NO DUMPING DRAINS TO STREAM Rain Spout Stone Sand Soil Native Plants Ponding Layer Pet and Yard Waste Disposal Rain Barrels Rain Gardens driveways, and streets pours into storm drains, even during a light rain, gathering pollutants as A rain garden featuring native plants absorbs means they eventually get into our storm drains and our keeping your grass clippings and leaves away from and sealed in a plastic bag and disposed of in the trash. For more information, order our brochures “Yard Waste and the Environment” and “Pet Waste” by calling 314/436-8710. For More Information • tnemeganaM emoH retaW naelC a daolnwod oT Plan or view our educational videos, visit www.stlmsd.com/whatcanido. • To invite someone from MSD to speak to your group, please call 314/768-6200 and ask for our Division of Public Information. 314/436-8710 directly onto paved surfaces, it picks up pollutants from households, streets continues on into storm drains which lead to our streams and rivers. visit www.stlmsd.com/whatcanido/ rainbarrel and click on “Video: Rain Barrel Installation”under Links and Resources. A rain barrel at the end of your drain spout allows you to collect stormwater and re-use it in your yard. your yard. Visit showmeraingardens.org to nd out more. Sludge Wastewater Treatment Collection Systems Our Watershed We live in the Mississippi River Watershed. A watershed is the land area that water moves our homes – anything from washing the car to the storm water from roofs and driveways creeks and rivers.Watershed Divide Watershed DivideediviD dehsretaWWatershed DivideResidential Agricultural RiverIndustry Wastewater Fine Truck Truck Hopper Pump Station Pump Station Screens Screenings Washer/ Compactor Loading Loading Station Coarse Bar Screens Biological Secondary Treatment Primary Sludge and Grit GritTruck Loading Hopper Sludge GravityThickeners Recycle to Primary TreatmentGrit Separator Disinfection SecondarySludge Sludge Belt Filter Press Dewatering Sludge Truck Loading Hopper ClarifiersPrimary Final Clarifiers Mississippi RiverScreenings Trash This diagram shows an over view of the treatment process that separates the pollutants from wastewater. that the water is returned to the river. The process ensures that our waters are recreation. Trucks deposit screenings, grit and sludge Incinerator or Over 6,600 miles of sewers run far below the ground to move wastewater from our bathrooms and kitchens to the wastewater treatment plant where pollutants are removed. MSD has two kinds of sewer systems. The combined sewer system handles both wastewater and storm water within the same sewer pipe. The separate sewer system includes a sanitary sewer system that handles only wastewater and a separate storm sewer system - measuring another 2,980 miles - for stormwater. Pump Station Home Local Main Sewer Line Industry Manhole Cover to Wastewater Treatment Plant Storm SewerCreek Sani tary sewerStorm Inlet