Dave Colvin Email & Phone Number

Denver, CO, US

Denver, Colorado, United States

Dave is the LRE Water Groundwater Department Manager with over 25 years of experience in groundwater hydrology, water resources, and environmental sciences. He supervises teams of diverse subject matter experts and provides technical leadership to solve today's water resource challenges. Dave serves is responsible for managing staff, resources, projects.

Denver, Colorado, United States

Dave is a Principal Hydrogeologist and Senior Project Manager with experience in groundwater hydrology, water resources, and environmental sciences since 1996. He supervises teams of diverse subject matter experts and provides technical leadership to solve today's water resource challenges. Dave serves as the LRE Groundwater Team Leader responsible for.

1221 Auraria Parkway, Denver, CO

Team leader managing staff, resources, and schedules for a group of hydrogeologists and technicians performing groundwater work.Conducts and supervises hydrogeologic investigations, including project management, aquifer characterization and testing, geologic and environmental systems modeling (including MODFLOW groundwater modeling), and water rights.

• Project manager and lead Hydrogeologist for Tarrant Regional Water District investigation into effectiveness of riverbank filtration for water quality improvements along the Trinity River. Project tasks include.
• Serving on the Eastern Snake Plain Hydrologic Modeling committee and participating in the support and oversight of MODFLOW modeling activities in the Eastern Snake Plain. Expert witness in support of a water rights.
• Development of regional MODFLOW models used to estimate well field yield and land subsidence due to groundwater pumping in Arizona. Work included aquifer characterization, lithologic modeling, model development.
• Review of USGS Northern Arizona Regional Groundwater Flow Model.
• Expert witness providing hydrogeology support of water rights for a Boulder County Parks and Recreation augmentation pond.
• Review of several different models along the South Platte River and its’ tributaries in support of, or objection to, water rights cases.

Boulder, CO

Provided MODFLOW modeling in support of alluvial recharge and mining related analyses. Performed detailed water balance studies including point flow surface water modeling to evaluate stream gain/loss; net recharge groundwater inputs incorporating precipitation, irrigation, evapotranspiration; well inventories and pumping estimates; groundwater underflow.

Longmont, CO

Supported City of Aurora’s Prairie Waters project near the South Platte River, CO. Field investigation and construction tasks included field oversight of drilling, well construction, pump/motor installation, aquifer testing, system start up testing, well field yield optimization, and geotechnical investigations. Support also included the design.

Boulder, CO

Provided hydrogeological and environmental support for investigation, monitoring and remediation of mines, processing, hydrocarbon, and other non-aqueous phase liquid contamination sites. Services included field investigations of soil, water, and air; sample analysis; data management; data analysis; reporting; GIS; permitting and regulatory agency.

Lakewood, CO

Conducted field investigations at the former Stapleton International Airport in Denver, Colorado to define nature and extent of free-phase and dissolved-phase hydrocarbon contamination. Tasks included lithologic logging with hollow-stem auger and direct-push drilling rigs; soil, groundwater, and vapor testing; operation and maintenance of remediation.

Longmire, WA

Crew leader for an aquatic ecosystem survey in Mt. Rainier National Park. Conducted field investigations in sub-alpine areas to survey and monitor wetland areas. Performed aquatic field sampling and testing, wetland classification, biological species identification, and aquatic laboratory analyses.

Longmire, WA

Student Conservation Association volunteer at Mount Rainier National Park. Conducted field investigations in sub-alpine areas to survey and monitor wetland areas. Performed aquatic field sampling and testing, wetland classification, biological species identification, and aquatic laboratory analyses.

Ms, Environmental Science And Engineering

Bs, Geology

Activities and Societies: Psi Upsilon