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Collier County Wellhead Vulnerability Assessment     

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​Client: Collier County (sub-consultant to WSA)
Year: 2014
​

About: 
Collier County contracted the services to evaluate the feasibility of using the MIKE SHE/MIKE11 software with the particle tracking module in order to define wellhead protection zones.​
Specifics:
LAGO imported model inputs from the previous model (that has been used in the past to define wellhead protection zones for the County) into the MIKE SHE/MIKE11 County-wide model.

The particle tracking analysis is used to obtain the capture zones around the well fields for 1-, 2-, 5-, and 20-years period. One telescoped model at higher resolution is also developed to illustrate the benefit of using higher resolution.
Applied Skills:
  • Integrated modeling: Model conceptualization & setup
  • Particle tracking & capture area delineation
Consulting Areas:
  • Groundwater management
Software Applied:
  • MIKE SHE / MIKE11
  • LAGO Toolbox
  • ArcMap
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​Outcome:

The modeling study indicated that the county-wide MIKE SHE results were very good at producing comparable results as the previous model for the 20-year wellhead protection zone. However, due to the coarseness of the model grid, the 1- and 2- year protection zones were not well defined. On the other hand, the results from the telescoped model were considered to be satisfactory for the 1-, 2-, 5-, and 20-year wellhead protection zones.  Therefore, it was concluded that high resolution MIKE SHE models would be appropriate tools for use in completing future wellfield vulnerability assessments.
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Modeling Services
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- Data mining & Processing
- Conceptualization & Setup
- Sensitivity Tests
- Model Calibration
- Model Telescoping
- Design Storm Simulations
- Scenario Evaluations
​- Post-Processing of results
- Peer review
- Model QA/QC
- Mass balance checks
- Fixing numerical instabilities
- Calibration/validation checks
​- Reservoir Storage Modeling
- GIS data mgmt. and tools

Consulting Areas
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- Natural resources planning
- Stormwater management
- Groundwater management
- Surface water structure design
- Water supply planning
- Species and sediment transport
- Salt water intrusion
- Floodplain delineation & management
- Floodway Encroachment Analysis
​- Urban and coastal flooding
- Water quality studies
- Wetland conservation and restoration
- Wellhead protection area delineation
- Landscape ecology
- Water regulations permitting

Featured Software
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MIKE 11
MIKE SHE
MIKE21
ECOLab
MODFLOW
GWV (Vistas)
MODHMS
​GIS-ArcMap

HEC-RAS
​HEC-HMS
EPA-SWMM
​XP-SWMM
ICPR
​RiverFlow2D
WASP
HSPF

Software Development
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Spreadsheet modeling
File format converters
Pre- & post-processing tools
A la carte software (C#, Python, etc)


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4921 S West Shore Tampa FL 33611, P.O. Box 10481, Tampa, FL 33679.  813-774-5559
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