hdc company overview, 2010

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Copyright 2010, Hydrologic Data Collection, LLC Monitoring Our Monitoring Our Water Resources Water Resources Company Overview

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2010 Hydrologic Data Collection Company Presentation

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Page 1: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

Monitoring Our Monitoring Our Water ResourcesWater Resources™™

Company Overview

Page 2: HDC Company Overview, 2010

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

Page 3: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

Company MissionCompany MissionHigh 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

Page 4: HDC Company Overview, 2010

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

Page 5: HDC Company Overview, 2010

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

Page 6: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

GroundwaterGroundwater• Equipment installation

and service• Manual or continuous

monitoring• Real-time ground water

networks• Low-flow sampling

Page 7: HDC Company Overview, 2010

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)

Page 8: HDC Company Overview, 2010

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

Page 9: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

TMDL StudiesTMDL StudiesTotal 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 (%)

Me

an

Da

ily

Str

ea

mfl

ow

(c

fs)

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 recordRed line - load duration curve for the parameter standardBlue line - load duration curve allowing for a 10% safe margin

▲ - Water quality samples as loads plotted using the flow durationat which they were sampled.

Points above the curve represent exceedance of standards and allowable loadings

Page 10: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

Stormwater and Meteorological Stormwater and Meteorological MonitoringMonitoring

• Water Quantity• Water Quality• Rainfall• Humidity• Wind speed and

direction• Evaporation

• BMP Efficiency

Page 11: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

Stream Restoration MonitoringStream Restoration Monitoring• Effectiveness

evaluations

Page 12: HDC Company Overview, 2010

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

Page 13: HDC Company Overview, 2010

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

Page 14: HDC Company Overview, 2010

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

Page 15: HDC Company Overview, 2010

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

Page 16: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

Representative ClientsRepresentative Clients

Page 17: HDC Company Overview, 2010

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

Page 18: HDC Company Overview, 2010

Copyright 2010, Hydrologic Data Collection, LLC

Company Locations and Company Locations and Main Contact InformationMain Contact Information

Florida Office

John CoffinPresident and Sr. Hydrologist

USGS - Retired

5706 Ternwater PlaceLithia, FL 33547813-299-1108

[email protected]

Virginia Office

Rob MooneyVice President

805 Vassar RoadAlexandria, VA 22314

[email protected]