Who We Are

Hargis is a specialty hydrogeology and environmental engineering firm with deep technical expertise. We earn the trust of our clients by fiercely protecting their interests. Since 1979, we’ve provided environmental consulting services solving complex issues for a wide range of clients.


What Sets Us Apart

Our mission is to provide expert advice and solutions to our clients with integrity and outstanding service. We deliver this mission with an unparalleled level of quality inspired by collaboration and employee-ownership. For more than 40 years, the outcome has been practical and workable solutions, resulting in long-term client relationships. We do this with an extreme dedication to experience, integrity, and service.


Manage your workload with confidence.

Hargis environmental professionals provide turnkey program support from science to compliance. Our team helps you navigate the regulatory framework to complete complex projects on schedule. With Hargis as your partner, you have direct access to environmental experts in all aspects hydrogeology and remediation engineering at your fingertips.



Partnering with experts who are guided by science and helping you make decisions based on facts brings peace of mind.

This peace of mind comes from earning your trust by proactively managing risk, reducing long-term liability, and controlling cost. Our team delivers the high-quality reports, presentations, and supporting documentation critical in communicating with regulators, the public, and your management and securing adequate resources for your program. Collaboration doesn’t happen overnight. That’s why we focus on building long-term relationships based on mutual respect and common goals.



Protect your organization’s interests with a partner who acts as an extension of your staff.

We make it our business to know your business. We understand the obstacles you face and how to help you push past them. With Hargis, you get a consultant who works as hard as you do. The result- complete projects on-time, on-budget, and with no surprises.




Our experts make data easy to understand, helping you communicate critical issues internally and externally.  We are happy to share our extensive experience with easy to access case studies, blogs, and newsletters that address critical environmental, water resources, and regulatory issues.



Headquartered in San Diego, Hargis has other offices in the Sacramento area, Phoenix area, and Tucson.


Did You Know?

Hargis is small business certified
Contracting with a small business diversifies and strengthens your supply chain, contributes towards your sustainability goals, and provides access to government contracting opportunities.

Hargis is employee owned
Our employees have a vested interest in your success and ours.  We have low turnover and foster a culture of ingenuity and grit.

Hargis is respected and well-known in the regulatory community
Our team has long-term relationships with Agency representatives and extensive knowledge of the local regulatory processes.  We understand the intricacies of the public participation process and stakeholder engagement with your interests at heart.

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