Take a look at this book
Civil Engineering Basics: Water, Wastewater, and Stormwater Conveyance https://www.amazon.com/dp/1721713107/ref=cm_sw_r_cp_api_glt_fabc_3TA8TNM74ZFFV5T4RKMM?_encoding=UTF8&psc=1
https://www.amazon.com/Civil-Engineering-Basics-Wastewater-Stormwater/dp/1721713107
It's not a textbook, but this might be helpful. It's the basics of water, wastewater, and stormwater conveyance.