Project Information

Bid Title

Supply and Delivery of Water Treatment Chemicals

Issuing Agency

City of Seattle

Location

Washington

Published Date

Oct 30, 2025

Closing Date

Dec 4, 2025

Government Level

State & Local

Status

Closed

Ref. #

SU0-6667

Original Source

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Bid Documents

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Project Description

Project ID: SU0-6667

Title: Supply and Delivery of Water Treatment Chemicals

Addenda: 0

Release Date: 10/30/2025

Due Date: 12/4/2025

Post Information

Posted At:Thu, Oct 30, 2025 8:00 AMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

The City of Seattle is soliciting bids to establish multiple contracts with interested and qualified vendors to supply water treatment chemicals on an “as-needed” basis for a multi-year period. Vendors must be able to provide a continuous supply of chemicals, as required by the specifications for Seattle Public Utilities water treatment facilities.

The City requires chemical supplies for use at multiple locations, primarily Seattle Public Utilities water treatment facilities. The successful bidder(s) will be responsible for supply, transport and delivery of the chemicals to the facilities in a safe and secure manner as defined in the specifications.

Facility locations and the estimated annual quantities for each chemical are identified in the specifications. The City anticipates spending approximately $1,000,000 to $5,000,000 annually for the chemicals being purchased through this solicitation. These estimated quantities are for planning purposes and do not guarantee a purchase volume.

The City currently has contract #3667 with JCI Jones Chemicals to supply sodium hypochlorite and #4357 with Dubois Chemicals to supply hydrofluorosilicic acid, but these contracts are due to be rebid. The City has bundled these along with other water treatment chemicals into this one solicitation for new contracts.

Timeline

ITB Issued:

October 30, 2025

Pre-Bid Conference (Non-Mandatory):

November 13, 2025, 2:00pm

https://teams.microsoft.com/l/meetup-join/19%3ameeting_NTRjYmQ0ZTEtNTZjZi00ODgwLTlmMjctYWExNDQ3Y2IwOTcz%40thread.v2/0?context=%7b%22Tid%22%3a%2278e61e45-6beb-4009-8f99-359d8b54f41b%22%2c%22Oid%22%3a%223c404313-6a51-494b-95f6-b334b3ae49cc%22%7d

Meeting ID: 296 982 740 676 1
Passcode: mC2dm3FB

Dial in by phone
+1 206-686-8357,,932219323# United States, Seattle
Phone conference ID: 932 219 323#
Join on a video conferencing device
Tenant key: seattle@m.webex.com
Video ID: 113 150 662 3

Deadline For Questions:

November 26, 2025, 12:00am

Sealed Bids Due to the City / Bid Opening:

December 4, 2025, 2:30pm

https://teams.microsoft.com/l/meetup-join/19%3ameeting_MzQ3OTAzODctN2I5Mi00MjgyLTg4ZWYtODQ0ZWExMTcxMzVl%40thread.v2/0?context=%7b%22Tid%22%3a%2278e61e45-6beb-4009-8f99-359d8b54f41b%22%2c%22Oid%22%3a%223c404313-6a51-494b-95f6-b334b3ae49cc%22%7d

Meeting ID: 283 097 800 258 5
Passcode: TF3Lx7cS

Dial in by phone
+1 206-686-8357,,296705341# United States, Seattle
Phone conference ID: 296 705 341#
Join on a video conferencing device
Tenant key: seattle@m.webex.com
Video ID: 115 921 666 8

Commodity Codes

• NAICS 221310Water Supply and Irrigation Systems
• NAICS 325998All Other Miscellaneous Chemical Product and Preparation Manufacturing
• NAICS 424690Other Chemical and Allied Products Merchant Wholesalers

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