Tim Crawford, P.G., provides project management on ground water and water rights projects, including well design and installation, pumping test management and data analysis, ground water quantifications, report preparation, and record acquisition and review. His duties also include ground water monitoring program data collection and reporting. He has extensive expert experience reviewing, supporting, and opposing Water Court applications.
Tim earned a Bachelor of Arts in Geology from Colorado College and has completed graduate level courses at the Colorado School of Mines. He is a registered Professional Geologist in the State of Wyoming.
He is a member and past President of the Colorado Groundwater Association, and a member of the National Ground Water Association and the Colorado Section of the American Water Resources Association. He has presented at the American Ground Water Trust Managing Aquifers Forum, The Center for Oil Shale Technology and Research, the Colorado School of Mines Oil Shale Symposium and GIS in the Rockies, the Colorado Water Well Contractors Association, the Colorado Section of the American Water Resources Association, the Colorado Groundwater Association and the American Bar Association Annual Water Law Conference.
Tim enjoys snowboarding, canoeing, hiking, fly fishing, playing guitar and spending time with his daughter and wife.
Jennifer Lindahl, P.E., has more than 20 years’ experience in water resource engineering and performs historical use investigations, water rights evaluations and appraisals, development and implementation of augmentation plans, and water rights accounting.
Jennifer earned a Bachelor of Science in Civil Engineering from Colorado State University and is a registered Professional Engineer in the State of Colorado. She is a member of the American Water Resources Association and the American Society of Civil Engineers.
Paul Bruss, P.E., provides technical expertise for surface and ground water related projects, including water budget analyses, historical consumptive use analyses, preparation of water augmentation and exchange plans, surface and ground water quantifications and interaction analyses, and preparation of water use accounting.
Paul earned a Bachelor of Science in Civil Engineering and a Master of Science in Civil Engineering from Kansas State University. His master’s research involved modeling ground water resources and use throughout western Kansas and developing important correlations between agricultural production and ground water use in the Ogallala aquifer.
Paul is a registered Professional Engineer in the State of Colorado and is a member of the Colorado Section of the American Water Resources Association, the National Ground Water Association and the Colorado Groundwater Association.
Paul resides in Denver with his wife, Sarah, and two sons, Robinson and Teddy. In his free time, Paul enjoys following college sports, fixing up their old house, and spending time in the mountains with his family.
David Heintz, P.E., provides technical expertise for surface and groundwater related projects, including water rights evaluations, surface and groundwater quantifications, water budget analyses, preparation of water augmentation and exchange plans, surface and groundwater interaction analyses, historical consumptive use analyses, monthly and annual accounting of water use, and data analyses. Mr. Heintz has also worked with drinking water and waste-water facilities throughout the State of Colorado, inspecting facilities and reviewing designs for new facilities or facility updates.
David earned a Bachelor of Science in Civil Engineering from Colorado State University and is a registered Professional Engineer in the State of Colorado. He is a member of the Colorado Section of the American Water Resources Association.
David is a native Coloradan and lives in Denver with his wife, Arica, and three daughters, Chloe, Clara and Sophia. He thoroughly enjoys the outdoors and is an avid skier and mountain biker.
Ms. Frei provides technical expertise through hydrologic modeling, soil and groundwater analyses, water law & policy in the U.S., and geospatial analyses. Her responsibilities include surface and groundwater quantification and modeling, historical consumptive uses analyses, well construction, aquifer pump tests and analyses, water rights investigations, hydrography and other field data collection, and water administration accounting.
Ms. Frei joined BBA in April 2015. She received her Bachelor of Science degree in Environmental Engineering from Colorado State University in December 2014 and her Master of Science degree in Civil & Environmental Engineering from Colorado School of Mines in December 2021. Curriculum for both degrees focused on water resources. She is a member of the American Water Resources Association (AWRA), the National Ground Water Association (NGWA), and the Environmental & Water Resources Institute, a sub-organization of the American Society of Civil Engineers (ASCE).
Outside of work, Ms. Frei enjoys art and music events, hiking, camping, and off-roading.
John Shuler provides water use accounting, water availability analyses, augmentation and SWSP plan reviews, water rights evaluations, and data collection and interpretation.
John earned a Bachelor of Science degree in Environmental and Natural Resources with a minor in Bioscience from Clemson University and completed a Master of Science in Hydrologic Sciences at Boise State University. His graduate work examined the relationship between soil water mobility and soil water isotopic composition in the vadose zone.
John is a member of the Colorado Section of the American Water Resources Association. In his free time, he enjoys backcountry fishing and skiing with his wife Kathleen.
Jan Warusavitharana provides support related to ground water hydrology, geology, well design, and water law and policy in the US. Her responsibilities include water rights investigations, historical consumptive analyses, surface and groundwater quantification and modeling, field data collection, and water administration accounting. She assists with water quality sampling, well construction, and testing.
Jan also has experience in water, wastewater, and oil and gas (O&G) produced water treatment along with surface water quality analyses with prior experience in the O&G industry as a Geologist. Jan earned her Bachelor of Science and Master of Science in Geology at Wichita State University and a Master of Science in Environmental Engineering at the Colorado School of Mines. She is a member of the professional chapter of Engineers Without Borders.
Jan enjoys hiking and exploring the front range and playing tennis in her spare time.
Lauren Tiedemann Loob, P.E., provides support for surface and groundwater related projects, including augmentation plan and SWSP development, water rights operations and accounting, historical consumptive use analyses, alternative transfer methods, modeling of reservoir operations, determination of depletions due to well pumping, and field investigations. She also has experience with federal reserved water rights in California and throughout the Western U.S.
Lauren received her Bachelor of Science degree in Environmental Engineering from the University of Southern California. She is a registered Professional Engineer in the States of California and Colorado and is a member and volunteer for the Colorado Section of the American Water Resources Association.
Lauren lives in Englewood with her husband. In her free time, she enjoys traveling, scuba diving, crafting, and birding.
Krystle Ervin, P.E., provides technical expertise for surface and ground water related projects, including water supply planning, water efficiency planning, drought planning, water rights evaluations and appraisals, historical consumptive use analyses, water rights investigations, development of water augmentation and exchange plans, alternative transfer methods, computer modeling of river and reservoir operations, analysis of water court applications, water operations support, and water administration accounting.
Krystle earned a Bachelor of Science in Civil Engineering from Colorado State University and is a registered Professional Engineer in the State of Colorado. Krystle is a member and volunteer for the Colorado Section of the American Water Resources Association and previously served on the Board of Directors from 2020 to 2022.
Krystle resides in Arvada with her partner and dog. In her free time, Krystle enjoys camping, home improvement projects, and photography.
Marques Hatfield provides technical support related to ground water and water rights projects. His responsibilities include well design and drilling supervision, aquifer test design and analysis, well field evaluation, ground water modeling, water rights accounting, litigation support for water rights transactions and water supply development.
Marques earned a Bachelor of Science in geology from George Mason University and a Master of Science in geology from the University of Nebraska-Lincoln. His graduate course work focused on quantifying grain-scale volume loss and mechanisms accommodating penetrative strain within weakly deformed sandstones of the Denver-Julesburg Basin. Marques is a member of the Geological Society of America (GSA) and the American Association of Petroleum Geologists (AAPG).
Marques resides in Fort Collins with his wife, Tricia, and son, Nico. In his free time, Marques enjoys hiking, kayaking, pickleball, following Premier League soccer (come on you Gunners!) and travelling with his family.
Ms. Fahrney joined BBA in 2021 and provides project support for various surface water and groundwater related projects including consumptive use analyses, geologic and well record investigations, field data collection and interpretation, and other analyses. Ms. Fahrney has a Bachelor of Science degree in Geology from the College of William & Mary in Virginia and is currently pursuing a master’s in Hydrological, Environmental, and Sustainability Engineering from the University of Colorado, Denver.
Outside of work, Ms. Fahrney’s enjoys time in nature with her kids.
Lawrence Rinker joined BBA in August 2022 after graduating from the University of Oklahoma with her master’s in Hydrology and Water Security. Lawrence will provide support for both surface and groundwater related projects. She is a member of the Colorado Section of the American Water Resources Association along with the Colorado Groundwater Association. She is also planning to pursue her Professional Hydrologist certificate from the American Institute of Hydrology. Lawrence attended the University of Tennessee for her undergraduate studies and has been working in the agricultural industry. In her previous roles, Lawrence has worked on various irrigation related water projects.
Lawrence lives near Conifer with her husband and young daughter. She has two horses, two dogs, and enjoys camping, hiking, horseback riding, and skiing.
Jacob Dye began his professional experience as a Geographic Information Systems (GIS) specialist in 2001 and as a consultant assisting water resource engineers in the State of Colorado since 2005. He is a professional cartographer and specializes in spatial data analysis for groundwater recharge, consumptive use, hydrologic/hydraulic models, cost analysis and opportunities/constraints modeling for water facilities.
Jacob received a Bachelor of Science in Natural Resource Management from the University of Wisconsin - Stevens Point in 2001, a Master of Urban Planning and a GIS Certificate from the University of Wisconsin – Milwaukee in 2004. In 2008, he received his certification as a GIS Professional (GISP). He is a member of GISCO (GIS Colorado) and URISA (Urban and Regional Information Systems Association).
When not at work, Jacob enjoys camping, hiking and spending time with his family.
Joy Barnett joined BBA in 2003, bringing 10 years of prior administrative and secretarial experience. She is BBA’s office manager and provides organizational and support services to support staff members.
Joy’s personal interests include reading, cooking and spending time with her two daughters.
Trisha Deady joined BBA in September 2022. She has over 12 years of experience in teaching, human resource management, organizational leadership, and financial systems and records management. Trisha holds a Bachelor of Business Administration in Human Resource Management and a Master of Science in Management with a concentration in Leadership and Organizational Effectiveness from Troy University.
In her free time, Trisha enjoys home improvement/DIY projects, crafting, and spending time with her husband, adult children, and two dogs.