NIGP 88560: Ferrous Sulfate and Ferrous Chloride

NIGP 88560 Ferrous Sulfate And Ferrous Chloride, an Item code, covers chemical additives and treatment compounds that state and local governments procure for water treatment, wastewater management, and ice control applications. Recent solicitations show water utilities and public works departments purchasing ferric chloride solution for coagulation and flocculation in treatment processes, ferrous sulfate and ferrous chloride for sewer odor and corrosion control, calcium chloride for de-icing, and related chemicals such as copper sulfate and polymer additives for solids handling. The issuing bodies span water utility districts, county water resources departments, city public works and water utilities departments, and special-purpose districts. Water utilities represent the dominant buyer category, with repeat activity from metropolitan and regional systems managing treatment and wastewater collection infrastructure. Public works departments procure ice-control chemicals on a seasonal or as-needed basis.

Recent activity concentrates in the Southeast and Midwest. Clean Water Services in Oregon posted an ITB for ferric chloride solution due September 30, 2026, on a twelve-month bulk supply basis running November 1, 2026 through October 31, 2027. Gwinnett County, Georgia solicited solids dewatering and thickening polymer for three water reclamation facilities under a competitive sealed bid due July 30, 2026, with award to the lowest responsive bidder meeting performance testing requirements and a four-year initial term plus optional renewals. The City of Dallas issued an Indefinite Delivery/Indefinite Quantity service agreement due June 26, 2026, for liquid ferrous iron salt, liquid ferrous chloride, and bioxide injection into wastewater infrastructure, carrying an estimated contract value of $10 million over thirty-six months and a mandatory Small Business Enterprise participation goal under the DRIVE Policy. The City of Detroit's Office of Contracting and Procurement posted an RFQ due October 14, 2026, for 200,000 to 100,000 gallons of liquid calcium chloride for ice control, with a Detroit-based vendor equalization credit policy and a two-year contract term with renewal options. The City of Griffin, Georgia invited bids for water treatment chemicals including multiple compounds on a line-item basis with fiscal year 2027 term and renewal options, due May 28, 2026.