Wichita Falls, Texas, USA – Operating Reservoir Augmentation since 2018, supplying 14 cities
After successfully implementing a temporary direct potable reuse system to get them through the record drought of 2011-2015 (see Wichita Falls:1), Wichita Falls embarked on a permanent indirect potable reuse system to help them be more tolerant of future droughts.
Because north Texas is subject to recurring, cyclic droughts, the City of Wichita Falls planned on a long term, permanent indirect potable reuse project to keep the surface water reservoirs augmented between and during future droughts.
The indirect potable reuse came online in January 2018 and currently discharges 7 to 10 million gallons (26 – 37 million litres) per day back to one of the City’s reservoirs, Lake Arrowhead. At the Resource Recovery Facility, the wastewater undergoes primary and secondary treatment, with the addition of chemical nutrient removal, and is then treated through rotating disk filters to polish any remaining phosphorus and protozoans from the water, before it is discharged to the reservoir.