HDC Company Mission News Feed To provide water resource managers with: High Quality Data Our highly trained and qualified staff will collect and analyze hydrologic field data using proven methods developed by the USGS and the best measurement technologies available. We will deliver accurate info...

HDC Team John Coffin - Senior Hydrologist - Prior to forming Hydrologic Data Collection, Inc. in 2001, John was employed by the Water Resources Division of the U.S. Geological Survey (USGS) for 30 years. John is extremely experienced in all aspects of streamflow, groundwater, water quality, and mete...

Projects Project: McIntosh Park Enhanced Stormwater Treatment Wetland Best Management Practice (BMP) Evaluation Scope: Stormwater BMP efficiency assessment Location:McIntosh Park, Eastside Canal sub-basin of the Hillsborough River Watershed near Plant City, FL Client: Southwest Florida Water Managem...

TMDL Studies Watershed Assessments Surface Water (flow,stage) Surface Water Quality Groundwater Quality and Recharge Rates Data to Develop and Calibrate Hydrologic Models Duration Curves Fill Data Gaps Informational (e.g. now flow data) Temporal (e.g. data only co...