Colorado Water and Natural Resources Law Firm

Hill & Robbins, P.C. specializes in natural resources, environmental, water rights, and administration law in Colorado. With a focus on ground- and surface-water rights, well administration, and regulatory compliance, our experienced team is the top choice for navigating complex legal issues in the water and natural resources sector.

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Natural Resources Law

We offer extensive expertise in Natural Resources Law, attending the intricate needs of landowners, businesses, and public entities.


Our firm's strength lies in handling matters that span from oil and gas litigation to mining and public land use.


We provide tailored solutions designed to safeguard your natural resource interests, facilitating successful outcomes for development projects and conservation efforts.

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Environmental Law

Environmental law is not just a practice area but a commitment to future generations. Our seasoned attorneys at Hill & Robbins, P.C. are at the forefront of environmental litigation, policy development, and regulatory compliance.


From advocating for the responsible management of hazardous waste to representing clients in Superfund site remediations, as with our work on the Lowry Landfill, we ensure that our clients' operations adhere to the highest environmental standards.

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Water Rights

On the arid canvas of Colorado, water rights represent a critical asset. Our law firm's prestigious track record of representing clients in water right transactions and litigation speaks to our deep understanding of the complexities involved.


Whether you're facing water right adjudications, appropriation issues, or disputes over water usage, we stand ready to offer strategic counsel and robust representation.

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Water Administration

The management and administration of water supplies require a nuanced approach, combining legal expertise with an understanding of Colorado's unique water landscape.


Hill & Robbins, P.C. excels in guiding clients through the labyrinth of water administration laws.


Through landmark cases like Kansas v. Colorado, our practice has cemented its reputation for successfully safeguarding clients' interests in both the courtroom and negotiations concerning water distribution and interstate compacts.

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About us

Robert F. Hill and David W. Robbins established Hill & Robbins, P.C. in 1978. Headquartered in Denver, the firm currently consists of two partners, two associates, two of counsel attorneys, and two staff members.


Specializing in natural resources law, the firm has a distinguished track record of effectively representing plaintiffs and defendants on a wide range of issues.


Widely recognized in Colorado for its expertise in water and natural resources law, the firm now focuses exclusively on natural resources, environmental law, water rights, water administration, and related areas.

Attorney profiles

"Hill & Robbins brings big firm talent, commitment and thoroughness to its practice, combined with a nimble cost-effective ethos calculated to obtain the best possible results for its clients."

David Robbins

Notable cases

  • LOWRY LANDFILL

    Represented municipal waste generators as members of a steering committee that conducted a remedial investigation of one of Colorado’s largest Superfund hazardous waste sites. Negotiated and reached a global settlement among owners, operators and other generators that included a remedial plan accepted by the EPA.

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  • AMERICAN WATER DEVELOPMENT INC. V. CITY OF ALAMOSA

    Represented Rio Grande Water Conservation District in defeating American Water Development’s application for a water right to develop ground water under the northern end of the San Luis Valley, Colorado, which they intended to export for use outside of the San Luis Valley.

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  • KANSAS V. COLORADO

    Representation of the State of Colorado since 1985 as special counsel in litigation in the United States Supreme Court with the State of Kansas over allocation of the Arkansas River under the Arkansas River Compact.

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  • THIEBAUT AND SIERRA CLUB V. COLORADO SPRINGS

    Represented municipal-owned utility company in citizens’ suit brought under the Clean Water Act in the United States District Court for the District of Colorado, including two-week trial.

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  • IN RE: CONFINED AQUIFER NEW USE RULES

    Represented the Rio Grande Water Conservation District and supported the Colorado Division of Water Resource’s successful defense of Rules protecting the sustainability of the confined aquifer in the San Luis Valley, including a six-week trial and appeal to the Colorado Supreme Court.

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  • IN RE: STATE ENGINEER’S APPROVAL OF PLAN OF WATER MANAGEMENT

    Represented Subdistrict No. 1 of the Rio Grande Water Conservation District and successfully upheld the creation and governing plan of Subdistrict No. 1 in two trials totaling over two-weeks and appeal to the Colorado Supreme Court.

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  • WOLFE V. HUTTON FOUNDATION

    Represented the Republican River Water Conservation District at trial and appeal to the Colorado Supreme Court, reversing the Trial Court’s ruling of a finding that water rights had not been abandoned.

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  • ST. JUDE V. ROARING FORK CLUB

    Represented a private water user in the Colorado Supreme Court’s ruling that Colorado law does not allow an in-ditch recreation and fishery use.

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3401 Quebec St, Denver, CO 80207

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Office hours


Mon - Fri
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Sat - Sun
Closed

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