The purpose of this Manual is to provide guidance on preparing and processing documents that comply with NEPA and other applicable state and federal environmental laws affecting transportation projects in Colorado. This Manual provides references and links to related federal and state laws, executive orders, regulations, and policies. It also provides "best practice" examples for various compliance processes where appropriate. It is intended that...

This report documents the results of a Planning and Environmental Linkages (PEL) Study for US Highway 34 (US 34) between Larimer County Road (LCR) 29 and Weld County Road (WCR) 53 within Larimer County; Weld County; the Cities of Evans, Greeley, and Loveland; and the Towns of Johnstown, Kersey, Garden City, and Windsor. US 34 is a critical east-west transportation corridor for northern Colorado's growing communities. Sustained and strong economic...

This Watershed Plan Environmental Assessment is to improve the surface and groundwater quality by reducing the agricultural contribution of heavy metals salts sediment, and nitrate contamination This will be accomplished through accelerated technical and financial assistance for the installation of on farm land treatment measures. The measures are to reduce contaminants in the groundwater surface water and the Arkansas River to an acceptable level...