Back to work

The construction project at Hartley-Melvin-Sanborn High School has resumed after a three-week delay due to the level of arsenic in soil at the site.

During a project update at Monday's board meeting, engineer John Hight said test results indicated higher-than-allowable levels of arsenic in soil that was removed and piled at the site. After reporting the results to the Iowa Department of Natural Resources, work was suspended due to potential groundwater issues.

Graves Construction was given two options for disposing the arsenic-containing soil. The first was to transport it to Northwest Iowa La...