DYER | The Lake County surveyor's office is investigating the failure of a reinforcement wall recently built along a stretch of Plum Creek.
Surveyor George Van Til said the wall, which consisted of metal wire baskets containing small stones, slumped off a steep-banked section of the drainage way near where 213th Street crosses over it.
He said his staff noticed the problem while inspecting area ditches for potential flooding during last week's storms.
Van Til said some of the structure fell into the stream bed but isn't expected to obstruct water flow or cause flooding itself.
Van Til said his staff is trying to determine whether a concealed drain pipe behind the wall undermined it, or whether the soil along the stream's bank became unstable because of high water. He said his office also will investigate the workmanship involved in building the wall.
He said the county recently awarded Delta III, a Hammond-based construction firm, a contract to shore up the stream's bank because it was eroding and undermining a church parking lot nearby.
The county awarded a $48,527 contract for the work last year and was planning to spend an additional $100,815 this year.