"For sites with less than 5 acres disturbed at one time, filter fences, straw bales or equivalent control measures shall be placed along all side slope and down slope sides of the site. (Reference: Section 290-7.2.e-5 of the City Code of Ordinances).
"Erosion control measures shall be placed along down slope areas and along side slope areas as required to prevent or reduce erosion where erosion during construction will result in a loss of soil to waters of the state, public sewer inlets or off-site." (Reference: Section Comm 21.125(1)(a) of the Wisconsin Administrative Code).
Ditch checks shall be made of biodegradable materials (hay typically) or stone. Normally, manufactured ditch checks, made of synthetic materials, are also acceptable.