Hankard Environmental - Acoustical & Noise Consultants

About Hankard Environmental

Hankard Environmental is an acoustical consulting firm founded in 1996. From our offices in Colorado and Wisconsin we have consulted on almost 500 projects across the US and internationally.

We are an independent firm, beholden only to our client’s interest in meeting the laws and regulations they face on their projects.

We maintain the utmost degree of professionalism by employing only ANSI certified and calibrated measurement equipment, utilizing only industry recognized analysis tools and methods, participating in peer-reviewed studies, and keeping honesty at the forfront of all of our dealings with clients, agencies, and courts.

Meet Our Staff

Michael Hankard - President and Principal

I have been measuring, analyzing, and reporting on environmental noise levels for 24 years. My focus of late is utility scale wind turbines, but I also have extensive experience with noise from mining operations, industrial plants, roadways, rail lines, commercial developments, and a host of other sources. I have worked on projects across the U.S., as well as internationally, and have been principally responsible for noise control on over 400 projects. I have interacted with a wide cross section of project participants, including the public, local and state agencies, owners, operators, designers, and planners. I keep current with the acoustic profession’s state of the art measurement and prediction techniques, as well as advances in the industries in which we work. As a dedicated acoustics professional, I enjoying bringing all of my experience to bear on some of today’s most challenging environmental noise issues.

Mike's Resume

Jeff Cerjan - Senior Consultant

I have been involved in vibration and acoustics since graduating with a Bachelor of Science in Aerospace Engineering from the University of Kansas in 1994. I started off at Raytheon (Beech) Aircraft working as a Design Engineer and then soon later moved into the Structural Dynamics and Acoustics group where I conducted ground and flight tests and supported design and development projects. Since coming to Hankard Environmental in 2000, I have completed over 100 projects in oil & gas, land development, electric power generation, transportation, aircraft, and interior acoustics. I am routinely developing measurement and analysis protocols, conducting noise measurements and assessments, modeling and predicting interior and exterior noise propagation, and supporting projects with professional documentation and at hearings.

Jeff's Resume


The following are a sampling of some of our clients. We have been fortunate to have worked with well over 200 clients to date.

Energy Firms

  • Williams Energy
  • Invenergy
  • Duke Energy
  • Emerging Energies

Engineering and Environmental Firms

  • CH2M Hill
  • SRK Consulting
  • URS
  • ERO Resources
  • Air Sciences
  • Gas Compressor Consultants

Law Firms

  • Michael Best and Friedrich
  • Jeep and Blazer
  • Moye White

Industrial Owners

  • Newmont Mining Corporation
  • Woodward Inc.
  • Lafarge, Inc.
  • TDS Telecom

Municipalities and Agencies

  • Colorado DOT
  • City of Denver, Colorado
  • Vail, Colorado
  • Colorado Springs, Colorado
  • State of Wisconsin
  • Fitchburg, Wisconsin
  • Bureau of Land Management

I have been engaged in a wide variety of complex commercial and environmental matters over my 32-year career. I have in that time worked with hundreds of consultants and experts in a broad range of disciplines. Mike Hankard is one of the best I have ever encountered. He brings levels of professionalism, analytical rigor, thoroughness and intellectual honesty that are second to none

Michael S. Blazer - Jeep & Blazer, LLC


Both our projects and their locales have been diverse. Below lists a handful of our projects.

  • US 36 Corridor

    Colorado, USA

  • Newmont Gold Mine

    Ghana, Africa

  • Quisqueya I Power Plant

    San Pedro de Macoris, Dominican Republic

  • Dry Hollow Compressor Station

    Colorado, USA

  • Willow Creek Wind Energy Center

    Oregon, USA

  • Centerra

    Colorado, USA