As of May 28, 2021, JJ&A is a part of Trihydro Corporation. Visit Trihydro’s LinkedIn page or website to see what our hydrogeologists, geologists, environmental engineers, biologists, environmental scientists, and database/GIS specialists have been up to: https://www.trihydro.com/ Environmental consulting firm focused on municipal and private sector clients with complex environmental and regulatory projects. JJ&A is a small but growing environmental firm with offices in Roseville, Walnut Creek and Arcata, California. We are currently at a staff size of 37 comprised of hydrogeologists, geologists, environmental engineers, biologists, environmental scientists, and database/GIS specialists. We offer a fun, flexible work environment with a focus on creative problem solving and execution of safe, high quality and excellent project service. JJ&A is a relationship based firm and the majority of our clients are long term and referral. The JJ&A principals worked previously for GTI, FluorDaniel, MWH, Worley Parsons, URS and PG&E. We provide services primarily to the utility, chemical manufacturing, petroleum production, food processing, energy and municipal sectors.