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

Canonical: https://abierto.us/opportunities/w912dr26ra039

- Solicitation number: W912DR26RA039
- Notice type: Combined synopsis and solicitation
- Status: Closed. Deadline was May 29, 2026 at 11:00 AM 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
- Place of performance: Washington, District of Columbia
- County: District of Columbia (FIPS 11001). https://abierto.us/counties/district-of-columbia-dc-11001
- City: Washington. https://abierto.us/cities/washington-dc-1150000
- First posted: April 24, 2026
- Last posted: April 24, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/535a66fd29224777b6f07fd28afe3c00/view

## Description

The complete solicitation and reverse auction is available for review at https://marketplace.unisonglobal.com/fbweb/fbobuyDetails.do?token=olwZ1yv59v18VuVUplQl1PUZ2wCBodbEoDyt1y%2FDtKpHcESVo0vtK0s%3D.

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. Please see the listing at the Unison Global Marketplace for complete information.

## Publications

- April 24, 2026: Combined synopsis and solicitation, due May 29, 2026 at 11:00 AM EDT. Notice 535a66fd29224777b6f07fd28afe3c00. https://sam.gov/workspace/contract/opp/535a66fd29224777b6f07fd28afe3c00/view

## Points of contact

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

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w912dr26ra039.