Reports and Presentations by Loudoun County Government
Listed below are some of the more important recent reports, maps and presentations prepared
by Loudoun County Government. The links are combined into one page as the links also
appear at www.loudoun.gov, but on separate pages.
Reports and Maps
Current and recent hydrologic conditions
2019 Westerm Hills Watershed Management Plan
2014 Upper Broad Run Watershed Management Pilot Program
2009 Comprehensive Baseline Benthic and Habitat Monitoring - Stream Assessment
2009 Final Report of Water Resources Monitoring Program (WRMP)
2008 Comprehensive Watershed Management Plan (CWMP)
2008 Loudoun Environmental Policy and Programs - White Paper
2007 Statistical Summary of Water Resources Data
2006 Strategic Watershed Management Solutions (SWMS)
2006 Introduction to Groundwater Slides
Citizen's Guide to Erosion and Sediment Control
1993 Statistical Analysis of Groundwater in Loudoun County - Volume 1: Groundwater Quantity (Obtained via FOIA 4/1/2025)
Annual Water Resources Monitoring Data Reports
2024 Water Resources Monitoring Data Summary
2023 Water Resources Monitoring Data Summary
2022 Water Resources Monitoring Data Summary
2021 Water Resources Monitoring Data Summary
2020 Water Resources Monitoring Data Summary
2019 Water Resources Monitoring Data Summary
2018 Water Resources Monitoring Data Summary
2017 Water Resources Monitoring Data Summary
2016 Water Resources Monitoring Data Summary
2015 Water Resources Monitoring Data Summary
2014 Water Resources Monitoring Data Summary
2013 Water Resources Monitoring Data Summary
2012 Water Resources Monitoring Data Summary
2011 Water Resources Monitoring Data Summary
2010 Water Resources Monitoring Data Summary
2009 Water Resources Monitoring Data Summary
2008 Water Resources Monitoring Data Summary
County Maps
2010 Stream and Wetland Mitigation Banks
2009 Large Map of Benthic Monitoring
2009 Large Map of Habitat Monitoring
2007 Karst Carbonate Map
2006 Map of Hydrogeological Studies
Programs
2018 Western Hills Watershed Management Plan
2009-2014 Chesapeake Bay Total Maximum Daily Load- Watershed Implementation Plan
2014 Hidden Lane Landfill EPA Superfund site
2014 State-Mandated Stormwater Management Program Update
2013 Stormwater Management Program
2012 Raspberry Falls Area Treatment Options/Water Service Alternative
Presentations
Water Resources Technical Advisory Committee (WRTAC)
05-29-2019 Western Hills Watershed Management Plan
02-24-2014 Upper Broad Run Watershed Management Plan
03-25-2013 Stormwater Utility
12-11-2012 Virginia Stormwater Management Program
10-22-2012 Local TMDLs
09-24-2009 Stream Assessment - Final Findings
07-23-2009 Stream Assessment
11-15-2007 Hydrologic Data Analysis
09-19-2007 Hydrologic Data Analysis Update
Transportation Land Use Committee (TLUC)
04-18-2014 Conservation Easement Stewardship Program
11-15-2013 Update on Water Resources Technical Advisory Committee Activities
09-13-2013 Phase II Watershed Implementation Plan (WIP) – Response to the Virginia Department of Conservation and Recreation (DCR)
09-13-2013 Phase II Watershed Implementation Plan (WIP) – Future Efforts
04-12-1013 Update-Phase II Watershed Implementation Plan (WIP)
04-12-2013 Additional Oversight for Testing Alternative Septic Systems
01-11-2013
Presentation Covering Pump and Haul Facilities
11-16-2012 Water &
Wastewater Needs Assessment Implementation
10-12-2012 Proposed
Upper Broad Run Watershed Management Plan Pilot Project (Pilot Project)
07-13-2012 Loudoun
County Water and Wastewater Needs Assessment
07-13-2012 Phase II
Watershed Implementation Plan (WIP)
07-13-2012 Wetland
Workgroup Update
04-13-2012 Phase II
Watershed Implementation Plan (WIP) Community Outreach Work Plan
07-20-2011 Stream Conditions mapping
07-21-2010 Update Watershed Management Program
07-21-2010 Update Watershed Management Program Appendix I-C
07-21-2010 Update Watershed Management Program Appendix II-III-IV
07-21-2010 Update Watershed Management Program Presentation
06-10-2008 Compilation and Analysis of Existing Surface Water and Groundwater Data
10-20-2005 Presentation by WRTAC Part-A
10-20-2005 Presentation by WRTAC Part-B
10-20-2005 Presentation by WRTAC Part-C
10-20-2005 Presentation by WRTAC Part-D
Planning Commission WorkSession
12-14-2012 Water Quality - Stream Conditions
Committee of the Whole
12-01-2008 Committee of the Whole - Agenda
12-01-2008 COW - Water Quality Protection Options
12-01-2008 COW - Attachment 1 - Overview of Environmental Overiew
12-01-2008 COW - Attachment 2 - Chesapeake Bay Preservation
12-01-2008 COW - Attachment 3 - Assessment Report - Water Quality
12-01-2008 COW - Attachment 4 - CBPA Presentation
12-01-2008 COW - Attachment 5 - Fairfax Info on CBPA
Loudoun Water (Drinking water & Sewer)
Annual Drinking Water Quality Reports
2003 - Goose Creek Source Water Protection Plan
Central Service Area Map (Water and Sewer)
Community Systems (Water and Sewer)
Unindexed access to all files
Click for complete library of reports
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