# ALUM (ALUMINUM SULFATE) and POLYALUMINUM CHLORIDE (POLYALUMINUM HYDROXYCHLOROSULFATE) IDIQ

Canonical: https://abierto.us/opportunities/w912dr26qa032

- Solicitation number: W912DR26QA032
- Notice type: Presolicitation
- Status: Closed. Deadline was March 20, 2026 at 7:00 PM EDT
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W2SD Endist Baltimore (W912DR)
- NAICS: 325180 Other Basic Inorganic Chemical Manufacturing
- Product or service code: 6810 Chemicals
- First posted: March 2, 2026
- Last posted: March 2, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/b4a9e500eb684e3eb1987aad936fc097/view

## Description

The U.S. Army Corps of Engineers (USACE) Baltimore District is planning the re-procurement of an indefinite-delivery indefinite-quantity (IDIQ) single-award delivery-order contract for ALUM (ALUMINUM SULFATE) and POLYALUMINUM CHLORIDE (POLYALUMINUM HYDROXYCHLOROSULFATE) for the Washington Aqueduct Division (WAD) in Washington, D.C. Attached is a draft statement of work (SOW).The Washington Aqueduct supplies potable water to approximately one million people in the District of Columbia and Northern Virginia.

As part of the water treatment and supply system, the Washington Aqueduct maintains and operates the Dalecarlia and McMillan Water Treatment Plants (WTPs), both of which utilize the subject chemicals in their operations.This is a synopsis of the requirement ONLY. The Government is exploring the use of a reverse auction as a procurement method for acquiring this product. An official Request for Quote (RFQ) is anticipated to be posted in Unison Marketplace on or around March 18, 2026.

## Publications

- March 2, 2026: Presolicitation, due March 20, 2026 at 7:00 PM EDT. Notice b4a9e500eb684e3eb1987aad936fc097. https://sam.gov/workspace/contract/opp/b4a9e500eb684e3eb1987aad936fc097/view

## Points of contact

- Clark Miller, clark.b.miller@usace.army.mil, 4109625679

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