SAM.gov listing

Sources Sought Notice for Caustic Soda Requirement

Department of Defense → Department of the Army → US Army Corps of Engineers → Engineer Division NORTH Atlantic → ENDIST Baltimore → W2SD ENDIST BaltimoreSources SoughtSolicitation W912DR26R1AW7

Response deadline

Sun, Dec 28, 2025, 3:00 PM EST

NAICS code

NAICS 325180
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Opportunity details

NAICS
325180
Notice type
Sources Sought
Set-aside
Total Small Business Set-Aside (FAR 19.5)
Original posted
November 24, 2025
Last updated
October 19, 2026
Notice ID
c3c7be42198245c1975b5fd34803484b

Summary

Furnish all Washington Aqueduct?s Caustic Soda 25% in accordance with these specifications. Caustic Soda is used at Washington Aqueduct?s two water treatment plants (WTPs), Dalecarlia WTP and McMillan WTP. Caustic Soda shall conform to the requirements of ANSI/AWWA Standard B501, latest revision, for Caustic Soda, except as modified or supplemented herein, and shall be certified to meet NSF/ANSI Standard 60.

Read Full Official Summary

Furnish all Washington Aqueduct?s Caustic Soda 25% in accordance with these specifications. Caustic Soda is used at Washington Aqueduct?s two water treatment plants (WTPs), Dalecarlia WTP and McMillan WTP. Caustic Soda shall conform to the requirements of ANSI/AWWA Standard B501, latest revision, for Caustic Soda, except as modified or supplemented herein, and shall be certified to meet NSF/ANSI Standard 60.

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Why this matters

  • This notice is a sources sought.
  • The listed response deadline is Dec 28, 2025.
  • 4 related opportunities are from this agency.

Related federal terms

  • RFI — Request for Information
  • NAICS — North American Industry Classification System
  • PSC — Product Service Code

Market context

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This notice carries an explicit small-business set-aside designation.

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