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Chatfield Reservoir Mitigation & Restoration

A red rock in a green pasture

Quick Facts:

  • Acres Preserved: 2,500+ acres
  • Open Spaces Areas Created: 2
  • Ecological Function Units Required: 71
  • Ecological Function Units Captured: 80

Project Summary:

Great Ecology led the offsite mitigation for a water storage project in Douglas County, Colorado. As part of plans to expand capacity of the Chatfield Reservoir, our client was expected to offset planned impacts to wetlands, birds, cottonwood, and the federally endangered Preble's meadow jumping mouse (Zapus hudsonius preblei) habitat. While the client was able to successfully offset many impacts onsite, additional offsite land was required to fulfill mitigation obligations.

Great Ecology identified potentially suitable properties using publicly available data and conducted extensive outreach to landowners, as part of the process to narrow down potential mitigation properties. Once potentially suitable properties were identified and landowners agreed to initial evaluation, Great Ecology conducted surveys to assess the overall type and quality of the vegetation communities within the Target Resource Area, which included critical habitat for Preble's and the area designated by Douglas County as Riparian Conservation Zone. For the properties selected for mitigation offset, Great Ecology completed baseline documentation, conducted Phase I Environmental Site Assessments, coordinated with multiple regulatory agencies at the state and federal level, and developed management plans.

Douglas County, CO