Mccook City Of--utilities-water/sewer, Waste Water Treatment Plant 1100 South Mc Cook, NE 69001 Phone : (308) 345-5250 Business Category Sewerage Systems Mc Cook Waste Water Treatment 1700 Ravenswood Rd Mc Cook, NE 69001 Phone : (308) 345-5250 Business Category Sewerage Systems Regulation & Admin Of Communications Electric Gas & Other Utilities