Manual for Evaluating Secondary Impacts of Wastewater Treatment Facilities.

摘要

This manual describes procedures for assessing secondary impacts of wastewater treatment facilities. The manual guides the user through this impact assessment process by describing EPA policy and regulations governing analysis of these impacts;approaches to refine and improve existing projections of amount,type and location of projected growth in a service area;and the range of potential secondary impacts and alternative approaches for impact assessment. Application of projection and impact assessment approaches are provided for various levels of sophistication,consistent with analysis capabilities and available resources. The manual also provides EPA Regional Reviewers with a convenient framework for evaluating quality of local analyses of secondary impacts and an analytic basis for imposing any needed special conditions. This manual is a tool for planners and engineers preparing impact assessments;it does not supplant regulations which govern impact assessment processes. The manual considers only secondary impact assessment. Measures to mitigate these impacts have not been considered in the manual but should,of course,be implemented where the impact warrants. Fourteen areas of secondary impacts are covered in the manual,categorized into four groups:Media Impacts (e.g.,ambient noise levels);Sensitive Environmental Area Impacts (e.g., floodplains);Unique Area Impacts (e.g., parklands);and Secondary Economic Impacts (e.g.,impacts on property values).