Environmental impact assessment. It shall include a substantiated assessment of the existing and expected post-development environmental conditions, including air and water quality, pollution of ground, water, and air, noise levels, harmful or noxious emissions, damage or threat to wetlands and flood plain, plants and animals, and the visual environment. The potential for erosion or sedimentation and the proposed or existing control measures shall be discussed. Glare, smoke, odors, vibration, electromagnetic radiation, effects on groundwater supply, streams, water bodies, unique or valuable vistas, symbiotic ecological relationships of animal and plant communities, and compatibility of the project with the existing and future natural and manmade environment shall be considered, and any expected changes and preventive or corrective actions shall be discussed. Waste disposal, snow removal, maintenance of landscaped and paved areas, off-site environmental impacts, and drainage shall be discussed, and pre- and post-development drainage calculations for 10 and 100-year storm shall be included.