Del. Code 7, § 6606 : Conservation — Wetlands — Exemptions Date: 2 Sep 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 Any of the following activities are exempt from permit requirements: Mosquito control activities authorized by the Department; construction of directional aids to navigation; duck blinds; foot bridges; the placing of boundary stakes; wildlife nesting structures; grazing of domestic animals; haying; hunting; fishing and trapping. Del. C. § 6606 7 Del. C. 1953, § 6606; 59 Del. Laws, c. 213, § 1.;