Stream Physical Assessment
From 2002-2003, a comprehensive assessment of the physical conditions of streams in Fairfax County was conducted. The completion of this project represents a major milestone in the county's watershed planning program, and will provide necessary information for the development of management plans for the county's thirty watersheds.
The purpose of the stream physical assessment was to collect information on and document the following:
- Habitat conditions (habitat assessment)
- Impacts on the stream from specific infrastructure and problem areas (infrastructure inventory)
- General stream characteristics
- Geomorphic (the physical state of the stream channel) classification of stream type
The stream assessment was comprised of a habitat assessment and an inventory of physical stream features based on protocols developed specifically for this project. The habitat assessment (scoring of various habitat parameters) and the inventory (characterization of physical features such as pipelines, utilities, and buffers) together provide a baseline of overall stream conditions, which can be further extrapolated to indicate the condition of the associated watershed.
Stream Physical Assessment Report
- Contents, Acknowledgements & Executive Summary
- Sections 1 & 2 - Introduction and Methods
- Section 3a – Summary of Stream Assessment Data (part I)
- Section 3b – Summary of Stream Assessment Data (part II)
- Section 3c – Summary of Stream Assessment Data (part III)
- Sections 4 & 5 – Conclusions and References
- Section 6 - Appendices
For additional information, please contact the Stormwater Planning Division, 703-324-5500, TTY 711.


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