The City of Fargo Water Treatment Plant (WTP) recently piloted GE submerged ZeeWeed 1000, Siemens encased MemCor L20N, and Pall encased UNA-620A membranes for its new 15 million gallons per day (mgd) membrane WTP. The source water Sheyenne River quality is challenging for membrane treatment: elevated total dissolved salts, high total organic conten...