Wastewater Treatment & Pretreatment
The Environmental Department operates Logan Regional Wastewater Treatment Facility which consists of a mechanical plant, 460 acres of lagoons, and 240 acres of wetlands to treat and further polish the wastewater. The treatment plant receives approximately 18 million gallons per day as an annual average. The sources of the wastewater received include wastewater from residences, businesses and large industries.
Our wastewater treatment system services the communities of Logan, Smithfield, Hyde Park, North Logan, River Heights, Providence, Nibley, and Utah State University. In 2022, Logan updated the lagoons to a mechanical plant in order to accommodate more stringent ammonia and phosphorous standards as well as future total nitrogen limits. For any questions regarding this project please contact us at at 435-716-9781. We have someone in the office from 10 am to 2 pm Monday through Friday (except major holidays). Please feel free to leave us a message outside of office hours and we will return your call.
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WWTP Master Plan
2016 Master Plan
2010 TMDL Study
The State of Utah Division of Water Quality concluded the Bear River/Cutler Reservoir TMDL study in 2010. This study is the reason for our new phosphorous discharge limits and our treatment facility upgrade. Please feel free to look at the completed study.
2010 TMDL Study
Logan City & USU Partnership
Logan City's Environmental Department and USU's Sustainable Waste-to-Biproducts Engineering Center have partnered to research ways to better deal with our solid waste and wastewater. Be sure to check out the website that details this partnership. http://swbec.usu.edu/
Click here to see a video about how Biological Engineering students and faculty at Utah State University transform wastewater into biofuels and other bio-products: