The Pollution Control Division is responsible for the pumping, treating and testing of wastewater for the Cities of Texarkana, Arkansas and Texas, and for the ultimate disposal of the process water and separated solids in a manner that is safe for the environment and meets existing regulations. This division maintains the Composting Program.
The Pollution Control Division operates 3 wastewater treatment plants. The main plant, South Regional Wastewater Treatment Facility, is located at 4000 South State Line, Texarkana, Texas, with a plant design flow of 36 million gallons a day primary treatment and 18 million gallons a day secondary treatment. The daily average flow for 2013 was 7.46 million gallons. Annual average of CBOD was 3.9 Mg/L and TSS runs 4.1 Mg/L.
The Waggoner Creek plant is located between the cities of Nash and Wake Village, Texas and is designed for 2 million gallons a day with a maximum of 4 million gallons. The daily average flow for 2013 was 1.48 million gallons. Annual average of CBOD was 3.5 Mg/L with a TSS average of 3.93 Mg/L.
The North Texarkana treatment plant is located at 8301 North Sanderson Lane in Texarkana, Arkansas. The plant has a design flow of 0.95 MGD and is constructed so that it can be expanded to 4 MGD with minimum construction. The daily average flow for 2013 was 0.47. Annual average CBOD was 2.25 Mg/L with a TSS average of 3.53 Mg/L. A total of 3.4 billion gallons of wastewater was treated last year at the three plants.
The Pollution Control Division operates 51 wastewater lift stations with approximately 510 miles of sewer mains.