Update to SWFWMD Guidelines and Specifications for Watershed Evaluations
And Watershed Management Plans
Preliminary Draft Outline 8/14/2012
1. Project Approach
a. Preliminary Stakeholder Meeting
b. Define Objectives and Scope
i. Inventory
ii. Inventory + Network
iii. Floodplains
iv. Level of service criteria
v. Water budgets (Watershed Resource Assessment)
vi. Nutrient Loads
vii. TMDLs and Receiving Water Body Effects (BMAPs)
viii. BMPs – Quantity and/or Quality
ix. Miscellaneous
x. Computer Model simulations
1. Hydrologic and Hydraulic
2. 1-D / 2-D
3. Water Quality
4. Water Budgets
5. Integrated Groundwater / Surface Water Modeling
6. Level of Detail and Accuracy Criteria
c. Initial Data Inventory
d. Understanding of Watershed
i. Unique hydrologic features
ii. Hydrologic processes
e. Model Tool Selection / Technology
f. Approach to modeling unique hydrologic conditions
g. Project Schedule and Fee Estimate
h. Possible initial peer review (if warranted by unique aspects of project)
Deliverable: Project Approach Report
2. Watershed Evaluation
a. Data Inventory (as applicable depending objectives)
i. Topographic Data
ii. Preliminary Stormwater Infrastructure Database
iii. Hydrologic Data
1. Historical Flood Information
2. Gage Data
3. Rainfall
4. Streamflow
5. ET
6. Etc.
iv. Geologic Data
v. Soils
vi. Land Use
vii. Water Quality Data
viii. Existing Survey Data
b. Preliminary Primary Flow Model Network
c. Water budgets
i. Analytical Water Budget Development
ii. Nutrient Loads
d. Initial Peer Review – Approach Approval
Deliverables
i. Data Inventory Report (TSDN)
ii. Identification of Additional Survey
iii. Geodatabase
3. Watershed Management Plan
a. Additional Survey
b. Assembly of Stormwater Infrastructure Generic Database
c. Model Assembly
i. Development of Catchments
ii. Model Network
iii. Use of Arc Hydro Tools
iv. Parameterization
v. Level of Detail
d. Floodplain
i. Calibration/Verification
ii. Reasonableness
e. Existing Level of Service
i. Quantification of flood damages
ii. Water quality issues (TMDLs BMAPs)
f. Best Management Practices
i. Water quantity – flood protection; cost vs. benefit
ii. Water quality – optimization of pollutant removals
g. Watershed Resource Assessment.
h. Peer Review of Results
i. Deliverables
i. TSDN
ii. Model
iii. Peer Review-comments and Approval
iv. Database
v. Floodplain
vi. Other
4. Appendices
a. Modeling Tools (e.g., Arc Hydro processes)
b. Database Standards
c. Deliverable Specifications