UNRBA Resources
Disclaimer: Some of the files listed on this page are over ten years old and contain incomplete information. Hyperlinks in older files may be broken. Please refer to this resource library for UNRBA file access and contact us if you need assistance.
- Developing An Innovative Approach to Nutrient Management
- UNRBA IAIA Reporting Template-Updated May 2024
- UNRBA Bylaws Amended for IAIA Program
- UNRBA IAIA Program Document
- Submission of IAIA for EMC Approval
- FY 2021-22 IAIA Report to DWR
- Project details FY2021-22
- UNRBA IAIA FY 2022-23 Report
- Project details FY2022-23
- UNRBA Nutrient Study
- Watershed Trapping Analysis
- Screening- Level Analysis to Select Priority Measures, with Appendix A & B
- Screening- Level Analysis to Select Priority Measures, Appendix C
- Screening- Level Analysis to Select Priority Measures, Appendix D
- Soil Improvement Practice - Approved
- Cattle Exclusion Submittal
- Land Conservation Practice Submittal
- Buffer Improvements in Developed Areas Submittal
- Remedying Illicit Discharges - Approved
- Cattle Exclusion - Approved
- Nutrient Credit Tool User Guide
- Nutrient Credit Tool
- Soil Improvement
- Task 1-Develop a Framework for a Reexamination of Stage II of the Falls Lake Nutrient Management Strategy
- Task 2-Review Existing Data and Reports to Summarize Knowledge of Falls Lake and the Falls Lake Watershed
- Task 3-Review Methods for Delivered and Jurisdictional Nutrient Loads
- Task 4-Recommend Future Monitoring and Modeling Approaches
- Project Overview
Planning Documents for Reexamination
- UNRBA Monitoring Plan approved by DWR
- UNRBA Monitoring Quality Assurance Project Plan
- Jurisdiction Sampling Route "A"
- Jurisdictional Sampling Route "B"
- Lake Loading Sampling Route "C" with Site Pictures
- Lake Loading Sampling Route "D" with Site Pictures
- Lake Loading Sampling Route "E"
- High Flow Study Plan
- Bathymetric and Sediment Mapping Study Plan
- Light Extinction Study Plan
- Storm Event Study Plan
- Model Performance Evaluation Study Plan
- Constriction Point Study Plan
- Lake Sediment Evaluation Study Plan
- Description of the Modeling Framework With Approval Letter from DWR
- Model Selection Criteria to Stakeholders
- Model Selection Package
- Conceptual Model Plan
- Modeling Quality Assurance Project Plan
- Data Management Plan
Monitoring Data and Reports
- 2019 Annual Monitoring Report
- 2018 Annual Monitoring Report
- 2017 Annual Monitoring Report
- 2016 Annual Monitoring Report
- 2016 Interim Monitoring Report
- 2015 Annual Monitoring Report
- 2015 Interim Monitoring Report
- Flow Estimation Technical Memorandum
- Transition Monitoring Final Report
- Model Sensitivity Technical Memorandum
- Model Performance Evaluation Report
- UNC Sediment Study Report
- Water Quality Estimation and Monitoring Optimization
- EPA Sediment Flux Study
Modeling Reports
- UNRBA watershed modeling report
- Appendix A Code Modification
- Appendix B Model Coefficients an Catchment Characteristics
- Appendix C Stage Area Stage Release Curves
- Appendix D Atmospheric Deposition Literature Review
- Appendix E Rating Curve Field Data for USGS Gages
- Appendix F Box Plots and Scatter Plot Comparisons
- Appendix G Time Series Comparisons of Observed and Simulated Values
- Appendix H Subject Matter Experts Review Supplemental Evaluations
- Appendix I Source Loads by Area
Bylaws
Links to Other Organizations
- EPA Water Quality Portal (NC Division of Water Resources and US Geologic Survey)
- NC Collaboratory
- City of Durham
- City of Raleigh
- NC State University Center for Applied Aquatic Ecology
Technical Stakeholder
Handouts and FAQs
Maps
- Falls Lake EFDC Model Grid and Bathymetry
- Falls Lake Bathymetry
- Falls Lake Sediment Cores and EFDC Model Grid
- Falls Lake Monitoring Stations
- Falls Lake Sediment Thickness and Sampling Cores
- Hydrologic Soil Groups
- Lake Segments for WARMF Lake
- Lake Segments For Data Summaries and Statistical Model
- UNRBA Tributary Monitoring Stations
- USGS Gages Sub-impoundments and WARMF Model Catchments
- Soil Series
- National Land Cover Data 2006
- National Land Cover Data 2016
- National Land Cover Data 2021