Water Rights & Adjudications
Since 1974, HRA has been providing historical expertise in complex water rights litigation and adjudications. Our research helps attorneys, tribes, and federal agencies support or challenge claimed priority dates.
Our historians conduct research in federal and state archives, state engineer offices, government documents, special collections, and private manuscript collections. From these records, we prepare comprehensive, well-documented reports to explain the history of land and water use in a given watershed in order to help determine the legitimacy of water rights claims.
Our services include:
- Investigation of water rights filings
- Detailed histories of irrigation and reclamation projects
- Research concerning federally reserved water rights
- Assistance with discovery and records management
- Preparation of exhibits for trial, including in electronic format
- Expert witness testimony
Theodore Roosevelt Dam on the Salt River in Arizona. Our work in water rights litigation and adjudication often involves researching the history of large-scale federal irrigation and flood control projects.
Featured Projects
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Litigation Support
Expert Witness Services
HRA historians have served as expert witnesses in litigation, as well as providing research and writing support for outside experts.
Native American Issues
HRA historians offer extensive expertise in Native American history and legal issues, ranging from treaty rights to jurisdictional matters.
Contaminated Sites
HRA helps clients identify companies, government agencies, and other entities that may be responsible for the cleanup of Superfund and other contaminated sites.