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Loudoun Watershed Watch
Overseeing the Water Resources of Loudoun County, VA

 


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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