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Water Resources Libraries
Groundwater Management Program
- Groundwater Management Plan Webpage
- Groundwater Monitoring Program Early Warning Level Assessment - 2017 (PDF)
- Groundwater Production Field Test Summary and Comparison - 2017 (PDF)
- Groundwater Monitoring Program Early Warning Level Assessment - 2016 (PDF)
- Conversation on Bainbridge Island's Water Supply - June 18, 2015 (Video)
Conversation on Bainbridge Island's Water Supply - June 18, 2015 - Q&A (PDF) - Conversation on Bainbridge Island's Water Supply - January 12, 2016 (Video)
Conversation on Bainbridge Island's Water Supply - January 12, 2016 - Q&A (PDF) - Bainbridge Island Groundwater Model:
- Task 1 - Hydrogeological Assessment of Groundwater Quantity, Quality, and Production - December 21, 2015 (PDF)
- Review Findings and Recommendations (Task 2) and Critical Aquifer Recharge Area Assessment (Task 3 Scenario) - December 21, 2015 (PDF)
- Modeling Support for Operational Scenario Analysis - December 2, 2016 (PDF)
- Aquifer System Carrying Capacity Assessment (Task 3 Scenario) - Revised March 25, 2026 (PDF)
- Island County Water Resource Management Plan - Seawater Intrusion Topic Paper (PDF)
- Environmental Protection Agency - Sole Source Aquifers for Drinking Water Webpage
- How Do I Know Which Aquifer I'm Using?! A Step-by-Step Guide for Owners of Private Wells (PDF)?
- Drinking Water Well FAQ - April 13, 2022 (PDF)
- Bainbridge Island Numerical Groundwater Model Project Page
- University of Washington Geologic Mapping Project 2005 - Project Page
- Baseline Groundwater Technical Information Summary 2006
- Kitsap County Groundwater Management Plan - 1991 - Volumes 1 & II Webpage
- Seabold Potential Seawater Intrusion Investigation Project Page
- City of Bainbridge Island Level ll Assessment: An Element of the Water Resources Study - December 2000 (PDF)
Stormwater Management
- Stormwater Management Program Webpage
- 2026 Stormwater Management Program Plan (PDF) - Annual plan to achieve MS4 NPDES permit compliance
- Stormwater Management Action Plan (SMAP) - Plan created to meet 2019-2024 MS4 NPDES permit requirements
- Stormwater System Plan (SWSP) Webpage - Plan in development as requested by City Council
- Previous Stormwater Planning efforts:
- Western Washington Phase II Municipal Stormwater National Pollutant Discharge Elimination System (NPDES) Permit
Stormwater Manuals and Guidance
- 2019 Stormwater Management Manual For Western Washington Webpage
- Stormwater Pollution Prevention Plan 13 Elements (PDF)
- Low Impact Development (LID) – Links and Guidance Page
- Washington Stormwater Center Website
- WSU Extension - Rural Stormwater Solutions Website
Water Quality and Flow Monitoring Program
- Winslow Improvements Reduced Stormwater Impacts webpage
- Water Quality and Flow Monitoring Program Webpage
- Final Monitoring Plan
- King County – “Stressor Identification and Recommended Actions for Restoring and Protecting Select Puget Lowland Stream Basins (PDF)” Note: Includes COBI’s Manzanita Watershed in its study area – Dec 2019
- Stream Benthos and Hydrologic Data Evaluation - City of Bainbridge Island - December 2015 (PDF)
- 2013 - 2014 Water Quality & Flow Monitoring Program (WQFMP) Monitoring Sites (PDF)
- State of the Island's Waters Report webpage
- Assessment and Suitability of Existing Historic Water Quality Data - February 2006 (PDF)
- Biological Water Quality Data Assessment Final Technical Memorandum - December 2008 (PDF)
Departments & Projects:
- Public Works
- Planning and Community Development
- Documents, Forms & Applications
- Storm and Surface Water Utility
Programs and Studies:
Regional:
- Clean Water Kitsap Website
- Watershed Restoration and Enhancement Committee, WRIA 15 Website
- West Sound Partners for Ecosystem Recovery Website
Historical Interest:
For Fun: