Copyright 2010, Hydrologic Data Collection, LLC
Monitoring OurMonitoring Our
Water ResourcesWater Resources™™
Company Over...
Copyright 2010, Hydrologic Data Collection, LLC
Knowledge and ExpertiseKnowledge and Expertise
• Established in 2001
• Tea...
Copyright 2010, Hydrologic Data Collection, LLC
Company MissionCompany Mission
High Quality Data
• Collect and analyze dat...
Copyright 2010, Hydrologic Data Collection, LLC
Surface WaterSurface Water
• Install and operate
stream flow gaging
statio...
Copyright 2010, Hydrologic Data Collection, LLC
Water QualityWater Quality
• Installation of real-time
monitoring sites
• ...
Copyright 2010, Hydrologic Data Collection, LLC
GroundwaterGroundwater
• Equipment installation
and service
• Manual or co...
Copyright 2010, Hydrologic Data Collection, LLC
TMDL StudiesTMDL Studies
• Watershed assessments
– Surface water (flow, st...
Copyright 2010, Hydrologic Data Collection, LLC
TMDL StudiesTMDL Studies
• Determining pollutant
loads
– Stage data
– Rati...
Copyright 2010, Hydrologic Data Collection, LLC
TMDL StudiesTMDL Studies
Total Phosphorus Load Duration Curve
0.0
0.1
1.0
...
Copyright 2010, Hydrologic Data Collection, LLC
Stormwater and MeteorologicalStormwater and Meteorological
MonitoringMonit...
Copyright 2010, Hydrologic Data Collection, LLC
Stream Restoration MonitoringStream Restoration Monitoring
• Effectiveness...
Copyright 2010, Hydrologic Data Collection, LLC
Other ServicesOther Services
• Dam and reservoir
monitoring
• Wetland and ...
Copyright 2010, Hydrologic Data Collection, LLC
Methodology and EquipmentMethodology and Equipment
• Follow established
US...
Copyright 2010, Hydrologic Data Collection, LLC
Data Services – Surface WaterData Services – Surface Water
• Daily dischar...
Copyright 2010, Hydrologic Data Collection, LLC
Data Services – Water QualityData Services – Water Quality
• Real-time dat...
Copyright 2010, Hydrologic Data Collection, LLC
Representative ClientsRepresentative Clients
Copyright 2010, Hydrologic Data Collection, LLC
Value of Working with HDCValue of Working with HDC
• Unmatched experience
...
Copyright 2010, Hydrologic Data Collection, LLC
Company Locations andCompany Locations and
Main Contact InformationMain Co...
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HDC Company Overview, 2010

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HDC Company Overview, 2010

  1. 1. Copyright 2010, Hydrologic Data Collection, LLC Monitoring OurMonitoring Our Water ResourcesWater Resources™™ Company Overview
  2. 2. Copyright 2010, Hydrologic Data Collection, LLC Knowledge and ExpertiseKnowledge and Expertise • Established in 2001 • Team of Hydrologists, Chemists, Biologists and Professional Geologists • Over 350 years of USGS experience • Over 50 years of private sector experience • 2 former USGS senior hydrologists • 9 former USGS senior hydrologic technicians Providing a total solution for water resource monitoring
  3. 3. Copyright 2010, Hydrologic Data Collection, LLC Company MissionCompany Mission High Quality Data • Collect and analyze data using proven methods developed by the USGS Rapid Turnaround • Deliver finalized data within one week of site visits, and provide real-time data access Cost-effective Rates • Provide high-value services within our customers’ project budgets
  4. 4. Copyright 2010, Hydrologic Data Collection, LLC Surface WaterSurface Water • Install and operate stream flow gaging stations • Conduct discharge measurements • Develop stage vs. discharge ratings • Compute unit and daily values of discharge • Assist in NPDES, MFL, TMDL, and time-of- travel studies
  5. 5. Copyright 2010, Hydrologic Data Collection, LLC Water QualityWater Quality • Installation of real-time monitoring sites • Manual or continuous WQ monitoring • Calibration and ongoing site service • Vertical profiling • Automated and flow- weighted sampling • Stormwater sampling • Pollutant concentrations
  6. 6. Copyright 2010, Hydrologic Data Collection, LLC GroundwaterGroundwater • Equipment installation and service • Manual or continuous monitoring • Real-time ground water networks • Low-flow sampling
  7. 7. Copyright 2010, Hydrologic Data Collection, LLC TMDL StudiesTMDL Studies • Watershed assessments – Surface water (flow, stage) – Surface water quality – Groundwater quality and recharge rates • Data to develop and calibrate hydrologic models • Fill data gaps – Informational (e.g. no flow data) – Temporal (e.g. data only collected during a drought) – Spatial (e.g. not enough monitoring points to give the complete picture)
  8. 8. Copyright 2010, Hydrologic Data Collection, LLC TMDL StudiesTMDL Studies • Determining pollutant loads – Stage data – Rating curve – Daily average flow – Pollutant concentration • Duration curves • Models are only as good as the original quality/quantity of data used • Models need regular recalibration
  9. 9. Copyright 2010, Hydrologic Data Collection, LLC TMDL StudiesTMDL Studies Total Phosphorus Load Duration Curve 0.0 0.1 1.0 10.0 100.0 1000.0 10000.0 0 10 20 30 40 50 60 70 80 90 100 Percent of Days Flow Equaled or Exceeded (%) MeanDailyStreamflow(cfs) Higher Loads Lower Loads Discharge of 36.4 cfs is equalled or exceeded 60% of the time Black Line - flow duration curve for the station's period of record Red line - load duration curve for the parameter standard Blue line - load duration curve allowing for a 10% safe margin ▲ - Water quality samples as loads plotted using the flow duration at which they were sampled. Points above the curve represent exceedance of standards and allowable loadings
  10. 10. Copyright 2010, Hydrologic Data Collection, LLC Stormwater and MeteorologicalStormwater and Meteorological MonitoringMonitoring • Water Quantity • Water Quality • Rainfall • Humidity • Wind speed and direction • Evaporation • BMP Efficiency
  11. 11. Copyright 2010, Hydrologic Data Collection, LLC Stream Restoration MonitoringStream Restoration Monitoring • Effectiveness evaluations
  12. 12. Copyright 2010, Hydrologic Data Collection, LLC Other ServicesOther Services • Dam and reservoir monitoring • Wetland and marsh monitoring • Tide and coastal monitoring • Time-of-travel studies • Reactivation of decommissioned gages • Crest stage and flood monitoring
  13. 13. Copyright 2010, Hydrologic Data Collection, LLC Methodology and EquipmentMethodology and Equipment • Follow established USGS protocols • Use cutting-edge technology • Expertise in all major instrumentation • Full installation and service capability • Years of training and field experience • Data is collected to USGS standards
  14. 14. Copyright 2010, Hydrologic Data Collection, LLC Data Services – Surface WaterData Services – Surface Water • Daily discharge tables • Rating tables • Rating curve sheets • Summary of discharge measurements • Unit values hydrograph • Daily discharge hydrograph • Flow duration curves
  15. 15. Copyright 2010, Hydrologic Data Collection, LLC Data Services – Water QualityData Services – Water Quality • Real-time data, condition alarming, and web hosting • Calibration records • Tabular unit and daily values for each parameter
  16. 16. Copyright 2010, Hydrologic Data Collection, LLC Representative ClientsRepresentative Clients
  17. 17. Copyright 2010, Hydrologic Data Collection, LLC Value of Working with HDCValue of Working with HDC • Unmatched experience • High quality data • Professional service • Timely delivery of data • Customized solutions • A lower cost alternative
  18. 18. Copyright 2010, Hydrologic Data Collection, LLC Company Locations andCompany Locations and Main Contact InformationMain Contact Information Florida Office John Coffin President and Sr. Hydrologist USGS - Retired 5706 Ternwater Place Lithia, FL 33547 813-299-1108 john.coffin@hydrologicdata.com Virginia Office Rob Mooney Vice President 805 Vassar Road Alexandria, VA 22314 202-341-9811 rob.mooney@hydrologicdata.com

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