City of Visalia Jason Diamond
Visalia W WWTP Municipal Regional Lifecycle Manager
7579 Ave 288 Veolia Water Tech
Visalia , California 9 3277
Attn: Ben LItwack
Veolia Water Technologies & Solutions ZENON Environmental Corporation Head office: 3600 Horizon Blvd. Trevose, PA 19053 3239 Dundas St. W. Oakville, ON Canada off. +1-215-533-0000 - fax +215-633-0000 off. +1-905-465-3030 www.watertechnologies.com
November 5, 2025
re: Sole Source Purchase - ZeeWeed ® Membrane Parts & Services Dear Mr. Litwack:
This letter is provided to confirm that a Sole Source Purchase with ZENON Environmental Corporation , a legal entity of Veolia, will be required to procure parts and/or services for ZeeWeed® hollow fiber immersed ultrafiltration membrane systems. ZeeWeed® membrane systems are a proprietary technology developed by ZENON Environmental Corporation, a wholly owned business of Veolia, subject to multiple patents. As a result, only Veolia can manufacture and supply ZeeWeed ® membranes & components directly to customers or via one of our approved partners.
Research and development work by Veolia is regularly producing process and technology upgrade options.
At the point where system upgrades are required, Veolia will work closely with each client to select the best options specific for your plant.
Veolia has structured the after -purchase support of our ZeeWeed ® clients to assure access to a very high level of service and product support. Veolia has a service team with extensive experience and the capabilities to provide technical and engineering services distinctive to maintaining a high level of performance from the ZeeWeed® hollow fiber ultrafiltration membranes. We offer these unique services:
1. Membrane Replacement Planning
2. System spare parts
3. Insight™ Remote Process Monitoring
4. 24/7 Emergency Telephone Technical Support
5. On-Site Service Visits
6. Membrane Maintenance Services & System Upgrades
7. PLC Control System Component and Programming Upgrades
If you have any questions, please do not hesitate to contact me.
Sincerely,
Jason Diamond, P.Eng.
Regional Lifecycle Manager
Veolia Water Tech