Water Treatment Chemicals General Specifications
Specifications listed below are general requirements for all chemicals - detailed requirements are stated in
the individual chemical specifications attached. All treatment chemicals or products must be certified as
meeting the current specifications of NSF International/American National Standard Institute (NSF/ANSI) 60-
2005 (Drinking Water Treatment Chemicals - Health Effects), which is hereby incorporated by reference.
Certification shall be from an American Water Works Association (AWWA) accredited product certification
organization whose certification system includes, as a minimum, the following criteria for ensuring the
chemical or product meets NSF/ANSI Standard 60.
1. Annual product testing
2. Annual facility inspections
3. Annual quality assurance and quality control review
4. Annual manufacturing practice reviews
5. Annual chemical stock inspections
All prospective vendors must submit proof of current NSF/ANSI 60 certification for chemical works of origin
for all chemical bids. The bill of lading must clearly identify the product delivered to be NSF 60 certified by
stamp or typed written statement - no handwritten notations accepted. Failure to provide clear identification
of the NSF products will result in the rejection of the load at no cost to the Contra Costa Water District (CCWD). Questions concerning the Invitation to Bid for water treatment chemicals should be directed to Brian Jackson at ccwdpurchasingrequests@ccwater.com, referencing ITB#2500 and must be received by 5:00pm, Wednesday, February 7, 2024. Responses to all questions received by the due date will be published on CCWD website as an Addendum to the ITB on Tuesday, February 13, 2024.
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