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.
Rachael Frei, P.E. joined BBA in April 2015 and has experience with hydrologic modeling, soil and groundwater analyses, water law and policy in the U.S., and geospatial analyses. Her responsibilities include surface and groundwater quantification and modeling, historical consumptive uses analyses, water rights investigations, hydrography and other field data collection, and water administration accounting.
Rachael received her Bachelor of Science degree in Environmental Engineering from Colorado State University in December 2014. Rachael is a registered Professional Engineer in the State of Colorado. 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, Rachael enjoys photography, attending music and arts events, camping, hiking 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.
Annabelle O’Neill provides support related to ground water hydrology, geology, well design and water rights investigations. She prepares water accounting and historic consumptive use analyses. In the field, she samples water quality and assists with well construction and testing.
Annabelle earned a Bachelors degree in Geology from Colorado College. Her thesis work examined the influence of flow path hydrogeology on wetland water quality in the San Juan mountains.
Annabelle is completing graduate coursework in ground water engineering and is working towards receiving a Professional Geologist certificate. She is a member of the American Association of Professional Geologists, Colorado Ground Water Association and National Ground Water Association and Colorado Section of American Water Resources Association.
In her free time, Annabelle enjoys backcountry skiing, baking cookies, skateboarding, and shucking oysters in Boston with friends and family.
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.
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.
Tracey joined BBA in 2019 and brings over 12 years of Finance/Accounting, Human Resources and Business experience to the firm. Prior to joining BBA, Tracey worked for over 10 years as the Director of Finance, Accounting and Human Resources at the corporate headquarters of an international franchise where she handled all aspects of human resources, payroll, and finance/accounting. Tracey handles a wide variety of business-related functions for BBA such as bookkeeping, payroll and human resources.
Tracey has a Bachelor of Science in Human Development and Family Studies from Colorado State University. Tracey grew up in Fort Collins and now resides in Parker, CO with her husband and two children. She enjoys spending time with her family exploring the beautiful Colorado mountains.
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