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Storm Water

 

What are Illicit Discharges and Illicit Connections?
Storm Water Illicit Connection An Illicit Connection is the discharge of pollutants or non-storm water materials into a storm sewer system via a pipe or other direct connection. Sources of illicit connections may include sanitary sewer taps, wash water from Laundromats or carwashes, and other similar sources. 
Illicit Discharge An Illicit Discharge is the discharge of pollutants or non-storm water materials to storm sewer systems via overland flow or direct dumping of materials into a catch basin. Some examples of illicit discharges include the overland drainage from a carwash or dumping used motor oil in or around a catch basin.
What is a cross connection sump pump?

A cross connection happens when a sump pump is connected to a sanitary sewer line.  Often, this can be a hose leading into a laundry tub or a floor drain.  Sump pumps are supposed to drain into storm sewers, either through a direct connection (a pipe from the home connecting with the main storm sewer line), or by draining directly onto the ground through a pipe or hose outside the home.

Why are cross connections a problem?

Sump pump water is what engineers refer to as clear water, most often rainwater, ground water, or snow melt.  This water is clean enough to drain directly into area streams, ponds, and lakes without treatment.  Wastewater, water from your sinks, showers, tubs, toilets, and washing machines, must be treated at your area wastewater treatment plant before it can be safely discharged into the environment.

 
Illegal Sump Connection. 

Illegal Sump Connection.  The sump pump discharge should never be connected to the sanitary sewer system. Contact us immediately if your system looks like this.

How do I know if I have a cross-connected sump pump?

The illustration above shows the correct method of connection.  The key to look for is where the water goes when the sump pump is pumping.  If you have a pipe that goes outdoors, and drains into your yard (well away from your foundation), your sump pump is not cross-connected.  If you have a hose that drains into your laundry tub or floor drain, your sump pump is cross-connected.  If you can see right away that your sump pump is cross-connected, it would be to your advantage to get it re-routed prior to inspection. 

Helpful Links to prevent storm water pollution

Rain Garden Information Kent County Hazardous Waste Citizen's Guide to Stormwater
After the Storm Info www.lowergrandriver.org Citizen's Guide to Lawn Fertilizer
Home *A*Syst Information Illicit Discharge Interactive Demo Citizen's Guide to Native Landscaping
Car Care Household Waste Landscaping
Pet Waste Septic Systems  

 

Send mail to Dan Carlton  Carlton.Georgetown @ gmail.com with questions or comments about this web site.
Last modified: February 05, 2009 09:35 AM.