Mosquito Range Heritage Initiative in Park County, CO

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Installing a stream stage gauge in Box Elder Creek for a hydrologic study

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Harrington’s penstemon<i> (Penstemon harringtonii)</i>

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.


Cultural landscape historic resource documentation - Crater Lake National Park, OR

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

ERO archaeologist evaluating a historic road for the Telluride Valley Floor project

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Site tour for Snake River planning process

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Describing a sediment profile at a prehistoric archaeological site in Plumas National Forest, CA

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Gas facilities environmental compliance - West Slope, CO

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

ERO ecologist recording field data for Prairie Waters project

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Habitat Conservation Plan and EIS for Horseshoe Dam - Salt River Project

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Wetland delineation at Staunton State Park

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

King's Crown (<i>Rhodiola integrifolia</i>) near Summit Lake - Denver Mountain Parks Master Plan

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Field reconnaissance at Staunton State Park

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.

Summit Lake - Denver Mountain Parks Master Plan

We are a team of consultants who specialize in natural resource and environmental assessment, planning, and permitting. ERO is recognized for our technical expertise, our regulatory knowledge, and our ability to provide effective and creative solutions. For more than 30 years, our environmental consulting firm has served our clients with an enduring commitment to quality and integrity.