Sole Source: Teledyne ISCO Flow and Rainfall Monitor Parts, Equipment, Training and Associated Services and Licenses.

County of DeKalb, GA - Purchasing & Contracting has issued sole/single source, solicitation 2026-139-SS.

Procurement Details: Flow and Rainfall Monitoring Program Estimated Value: TBD Term (Years): 2 Years Vendor: Teledyne ISCO Justification: The County owns and utilizes Teledyne ISCO flow monitors and rain gauges. Teledyne ISCO is the sole manufacturer authorized to provide compatible parts and services for the existing equipment.

DeKalb County Department of Watershed Management’s (DWM) Wastewater Collection and Transmission System (WCTS) includes an estimated 2,600 miles of sanitary sewer lines, 66 lift stations and 70,000 manholes. Per the Consent Decree (CD) entered with the United States Environmental Protection Agency and Georgia Environmental Protection Division, the County maintains a System-wide Flow and Rainfall Monitoring Program. On average, the County maintains 300 flow monitors and 40 rain gauges used for model calibration, to quantify sanitary sewer overflow (SSO) volumes, identify areas of high I/I, provide flow data for design and construction, etc. This contract is to provide parts and equipment associated with the flow monitors and rain gauges as well as any training and support needed, and associated software and licenses.

Responses are due October 2, 2026 at 3:00 PM EDT.

Commodity categories: Controls, Cooling Tower Water Treatment: pH, Conductivity, Corrosion Sensors; Computer Instructional Aids and Training Devices, Environmentally Certified Products; Controlling, Indicating, Measuring, Monitoring, And Recording Instruments And Supplies; Charts: Flowmeter, Receiver, Recorder; Flow Controllers and Recorders (For Liquids); Gauges: Altitude, Pressure, Profile, Temperature, Liquid Level, etc.; Water Quality Monitoring Equipment: BOD Analyzers, Turbidimeters, Well Samplers, etc.; Testing and Monitoring Services for Air, Gas, and Water.

Contact: Giovanni MulinelliRamos, Procurement Technician (gmulinelliramos@dekalbcountyga.gov, (404) 371-7058).

2 documents are attached to the notice: Teledyne_ISCO_Flow_Monitor_Parts_Technical_Specs; Public_Notice.

The full solicitation document, addenda and the question-and-answer thread are on the agency's OpenGov portal at https://procurement.opengov.com/portal/dekalbcountyga/projects/305317. Responses are submitted electronically there, and a free vendor account is required before you can upload one.