What type of certification might be needed when filling activities may affect jurisdiction?

A "no-rise" certification is required when filling activities in a floodplain are proposed. This certification is meant to ensure that such activities do not result in an increase in the base flood elevation (BFE) at any point within the floodplain. The purpose of a "no-rise" certification is to protect properties and the environment by ensuring that the filling does not exacerbate flooding conditions for adjacent properties or the surrounding area. Such certification often involves a technical analysis of hydrological and hydraulic conditions and is critical in maintaining compliance with the National Flood Insurance Program (NFIP) regulations.

The other certifications mentioned do not specifically address the impact of filling activities on jurisdictional floodplain conditions. A "no-impact" certification is not commonly used in floodplain management terminology and lacks the specificity needed to address potential increases in flooding. A floodplain management certification generally pertains to the overall competency of personnel managing floodplain activities but does not usually involve the specific technical requirements connected to filling activities. Lastly, a construction viability certification would deal with the general feasibility of construction projects and not with floodplain regulations directly. Thus, the "no-rise" certification stands out as the required document to ensure compliance with floodplain management laws when filling activities are considered.