Wastewater Treatment Plant

P1110827There is no doubt that as children we wondered, when we flushed the toilet, where did it flush to and what happened to it. Some of us may still not fully understand the process. We just know we flush and it is gone. The truth is there is a great deal involved in wastewater treatment.


Wastewater includes household waste liquids from toilets, baths, showers, and sinks which drain into sewers. Sewage also includes liquid waste from commercial and industrial businesses. Storm water runoff and urban runoff also enters our sewer system. Rainfall travels over roofs and the ground, and it may pick up various contaminants including soil particles, heavy metals, animal waste, oil and grease. Of course all this wastewater must be treated before it can be released back into the environment. That is the purpose of the plant.

The Crew

Our wastewater plant is overseen by supervisor, Greg Holleman. Greg has worked at the wastewater plant for 30 years. He has one crew leader/”B” Operator, one “C” Operator, one lab technician, one maintenance technician and one laborer. Together they help keep the plant operating smoothly to keep our environment safe and healthy.



Our sanitary sewer conveyance system is a network of over 150 miles of sanitary sewer lines, manholes and lift stations that carry the city's wastewater to the plant for processing. Our wastewater treatment plant treats an average of 3 million gallons per day. As you’re aware, the City of Deer Park is growing quickly, therefore it has become necessary to expand our wastewater treatment plant. The plant has just underwent a $18,650,907 expansion project that was constructed in two phases.  The project started in 2012 completed in the spring of 2021.


For more information visit our website.