Description: The City of Austin is soliciting bids for liquid aluminum sulfate (alum) to support wastewater treatment at the Austin Water wastewater treatment facility. The chemical will be used to remove soluble phosphorus from the mixed liquor stream at the end of the activated sludge process, with quantities and delivery schedules determined by operational needs. This open Invitation for Bids is due August 25, 2026, at 2:00 PM Central Time, and questions are due August 10, 2026, at 5:00 PM Central Time.
City · TX, US
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Special DistrictTX
Jul 23, 2026
Closes
Aug 13, 2026
Annual supply of 850,000 lbs liquid aluminum sulfate/copper sulfate blend in two categories. This product is used as a coagulant for settling and clarification in the water treatment process. Quantities listed are estimates only and may be more or less throughout the year.
CityTX
Jul 30, 2026
Closes
Aug 20, 2026
The City of Waco is soliciting bids under Invitation for Bid RFB2026-036 for liquid ammonium sulfate used in potable-water treatment and distribution facilities. The successful contractor must provide the product along with transportation, delivery labor, transfer equipment, documentation, technical assistance, safety equipment, and related services, with detailed requirements in Appendix D. The award will go to the lowest responsible bidder, and responses are due August 20, 2026, at 10:00 AM local time.
CityTX
Jul 30, 2026
Closes
Aug 20, 2026
The City of Waco is soliciting bids under RFB 2026-038 for furnishing and delivering liquid aluminum sulfate in 275-gallon intermediate bulk containers for phosphorus removal at the Bull Hide Wastewater Treatment Plant. The contractor must provide the aluminum sulfate, totes, transportation, labor, unloading equipment, liftgate service when requested, documentation, technical assistance, and other materials and services needed for each delivery and tote exchange. Bidders must submit a Pricing Sheet and Appendix C Documents in PDF format through the online portal by the stated close date.
CountyMD
Jul 16, 2026
Closes
Aug 12, 2026
Howard County, Maryland issued Invitation for Bid IFB 2027-07 seeking a qualified firm to furnish and deliver liquid aluminum sulfate for the Little Patuxent Water Reclamation Plant. The solicitation lists required forms (e.g., Contractor Qualification Form, Material Safety Data Sheet, EBO Participation Form) and provides an online Q&A period; submissions are made electronically through the county's PlanetBids portal. Bids are due August 12, 2026 at 11:00 AM EDT (Q&A deadline August 3, 2026 at 11:00 AM EDT).
