124 Neb. Admin. Code, ch. 1, § 014
"Construction" means the installation of an onsite wastewater treatment system or the replacement, reconstruction, alteration, modification, expansion, or closure of an existing system including the installation of required wastewater lagoon fencing. Construction includes excavation or similar activity related to the installation, replacement, reconstruction, alteration, modification, or expansion of an onsite system, or closure of an onsite system. For the purposes of subdivision review and approval, "construction" means physical activity on a development area including the building of roads, cut and fill, grading, installation of utilities, construction of any foundations, buildings or structures for the development, and construction work on drainage, piping, trenching, lighting, foundations, or other site activities. Construction does not include siting, soil percolation testing, or soil boring.
124 Neb. Admin. Code, ch. 1, § 014