Elyse Gabor | February 22, 2022
According to the Iowa DNR’s 2022 draft inventory, Iowa has more contaminated water now than in 2020. The reasons for the water bodies making the DNR’s list were due to large numbers of bacteria and fish killings.
As shown in the state’s 2020 list of Category 5 impairment, the DNR reported that the state recorded 585 sources of water with a total of 778 contaminates. In 2022, the DNR’s findings have gone up to 594 sources of water with a total of 783 containments.
Over half of Iowa’s rivers and streams have impairments, or at least one reason they do not meet the standard for safe drinking water, water activities, or the support marine life. Just under 70 percent of lakes and reservoirs in the state do not meet these standards as well. There are still over 150 other water sources that contain contaminated water; however, the state has not been required to set a limit on pollution for these sites.
According to an executive team member for the Sierra Club’s Iowa chapter Wally Taylor, the bacteria found in Iowa’s water was due to animal waste and large-scale animal production.