Vendor: Aerzen USA Corporation

Product: MBR Blower 100HP GM GOS

Reason: To run a successful MBR facility requires the use of proper aeration to not only keep bugs alive for biological nutrient removal but also to keep solids from clogging on the surface of filters. No other manufacturer has a blower package that matches the same performance, configuration of components, maintenance access, specific SCFM output. SCA DA compatibility, or overall dimensions to fit in the existing blower room.

Document: Sole Source Certification - Aerzen USA Corporation

Certification Date: 09/01/2025 - 8/31/2030

Posted: October 28, 2025

Vendor: MP Chavez Enterprises, Inc

Product: Emergency purchase of service to perform repairs at Johnson Road Low Water Crossing

Reason: Flood damage after the Monsoon 2025 flooding events caused extensive damage, rendering customers unable to gain safe access to their homes.

Document: Sole Source Certification - MP Chavez Enterprises, Inc

Certification Date: September 24, 2025

Posted: September 26, 2025

Vendor: James, Cooke and Hobson, Inc.

Product: Flygt Submersible Mixers. Flygt Submersible Pumps and Repairs for all FlygtMixers and Pumps, including Aurora Booster Pumps.

Reason: The new facility at the Wastewater Treatment Plant was equipped with Flygt Mixers and Pumps. EPA requires that the facility has replacement and spare parts inventory. James, Cooke and Hobson, Inc. is the area representative.

Document:Sole Source Certification - James, Cooke and Hobson, Inc.

Dates:  07/28/2025 to 07/27/2030

Posted: August 27, 2025