clean water act services

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Little Colorado River Bridge

Apache County, Arizona

SR 260, Little Colorado River Bridge

EcoPlan recently completed an exciting bridge reconstruction project for the  Arizona Department of Transportation (ADOT) and Federal Highway Administration.  The fieldwork involved documentation of existing resources including wetlands, threatened and endangered species, critical habitat for protected species, and cultural resources. EcoPlan completed an alternatives analysis and worked in conjunction with engineers to reduce the environmental impact footprint.  We provided information to the USFWS and AGFD for the development of a fish and native amphibian exclusion protocol and relocation plan for inclusion in the Biological Opinion.  During our research, petroglyphs (featured below) were identified in the project limits. EcoPlan worked closely with the project engineers to successfully limit potential intrusion on these sites.

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EcoPlan’s Clean Water Act specialists have over 25 years of experience and have prepared Individual and Nationwide Section 404 Applications on hundreds of actions, including road crossings bridge improvements and replacements, scour protection, utility installations, irrigation facilities, and land development. Our specialists have the knowledge and insight to guide our clients through the necessary requirements for successful permiting through multiple agencies.

Petroglyphs are rock carvings that were created by pecking directly on the rock surface using stone chisel and hammerstone.

Petroglyphs are rock carvings that were created by pecking directly on the rock surface using stone chisel and hammerstone.

Our Clean Water Act assignments include but are not limited to:

  • Section 404 and Section 402 Permitting

  • Section 401 Certifications

  • Jurisdictional Delineations

  • Mitigation planning

  • Habitat restoration

  • Construction monitoring

  • Water quality monitoring