Drinking Water Consumer Confidence Report
The City of Sioux City's annual Consumer Confidence Water Quality Report (CCR) is a report card to our customers of how well the water treatment and supply system is providing for them. The information in the report shows that we produce the best water for our customers by providing the safest water possible. View the last 3 years of CCR reports below. To request a copy by mail, contact the Water Treatment Plant at 712-279-6156.