Blount County Ionwave #2026-0059 Addendum 2

Blount County, TN Visual Stream Assessment and Monitoring for 303(d) Listed Streams

Blount County, Tennessee is seeking a contractor to conduct a comprehensive Visual Stream Assessment of 303(d) listed stream segments within its MS4 (Municipal Separate Storm Sewer System) urbanized area. - Government Buyer: - Blount County Purchasing Department, MS4 Stormwater Program - Scope of Work: - Visual stream assessment of impaired (303(d) listed) stream segments using Maryland Department of Natural Resources Stream Corridor Assessment Survey (SCA) protocols - Non-analytical (observation-only) monitoring for each impaired stream segment - Dry weather screening at outfalls from the Blount County MS4 system - Analytical water quality testing at six specified locations - Detailed reporting, including photographs and GPS locations of outfall screenings - Notable Requirements: - Use of SCA protocols for all visual assessments - Observation-only methods for non-analytical monitoring - Ability to use drones or non-motorized boats for remote or navigable stream reaches - Documentation of inaccessible or dry stream segments - County provides GIS shapefiles for stream centerlines and MS4 boundaries - Contractor responsible for coordinating property access; county will not obtain landowner permissions - No specific OEMs or vendors are named in the solicitation - Project supports compliance with MS4 General NPDES permit and aims to identify environmental problems, assess water quality, and prioritize restoration efforts

Description

Blount County, TN is seeking competitive proposals for Visual Stream Assessment. The scope includes performing a visual stream assessment of 303(d) listed stream segments within Blount County's MS4 area, non-analytical monitoring for each segment, and dry weather screening at outfalls from the Blount County MS4. The work aims to comply with the MS4 General NPDES permit and monitoring requirements to assess water quality and identify environmental problems. The project requires detailed reporting including photographs and GPS locations of outfall screenings.

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