The People Who Make The Difference

Heather A. Warren

Of Counsel

Heather Warren has more than 15 years of experience as a litigation and transactional attorney specializing in water and property law.  She began her career in private practice representing individuals, corporations and ditch companies and later served as an assistant attorney general for the Colorado Department of Law for more than a decade representing state agencies in adjudication and litigation of water rights and property rights and other legal matters involving public lands, fish and wildlife, and public recreation.  Heather has practiced before all seven Colorado water court divisions and the Colorado Groundwater Commission and navigated administrative matters involving the Colorado Division of Water Resources including protests to the State Engineer’s abandonment list.  Heather has extensive knowledge of Colorado water law and administrative and regulatory practices in all eight of Colorado’s major river basins.

Heather has represented private agricultural, industrial and commercial water owners, ditch companies, mutual ditch companies, well users as well as governmental agencies in adjudication of surface and groundwater rights and plans for augmentation and in defending client water rights in oppositions to water applications.  She successfully litigated and negotiated water decrees, substitute water supply plans, water contracts, leases, easements and water right quiet title issues.  Heather also has extensive experience in water right title research.  Heather provided legal advice and counsel regarding state fish and wildlife mitigation plans for new reservoir construction and reservoir expansions, developed an in-depth understanding of the federal adaptive management legal concepts and provided legal counsel to client agencies involved in water management cooperative groups.

Heather’s 15 years of transactional experience includes commercial contracts.  She helped the State of Colorado update contracts for state park concessions, which included the shooting range and marina concessions at Cherry Creek State Park and the marina concession at Chatfield State Park.  Her government contract experience includes navigating contracts and agreements through the state procurement and controller review and approval process.  She has over a decade of legal experience involving Colorado’s hunting, fishing and public recreation laws and regulations, invasive and aquatic nuisance species laws and regulations, and federal, state and local administrative laws.

Areas of Practice:

  • Water Law
  • Property Law
  • Contract Law
  • Public Lands Law
  • Wildlife Law
  • Government/Administrative Law
  • Civil Litigation

Bar Admissions:

  • Colorado, 2004
  • United States District Court for the District of Colorado, 2008
  • United States Court of Appeals for the Tenth Circuit, 2008


  • University of Denver Sturm College of Law, Denver, Colorado, 2004
    – LL.M., Master of Laws, Natural Resources and Environmental Law and Policy
  • University of Wyoming College of Law, Laramie, Wyoming, 2002
    – J.D., Doctor of Jurisprudence
  • University of Wyoming, Laramie, Wyoming, 1999
    – B.A., Bachelor of Arts, English, German, and Philosophy

Professional Associations & Memberships:

  • Colorado Bar Association
    – Water Bar Section
    – Natural Resource and Energy Section
    – Government Counsel Section
  • Denver Bar Association