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Award notice, first published as sources sought

NGWSP BLOCK 2-3 PIPELINE

140R4026B0001

Bureau of Reclamation, Upper Colorado Regional Office. Water and Sewer Line and Related Structures Construction.

25 open like this View on SAM.gov Markdown

Awarded

Carstensen Contracting Inc.

$80,959,560.47 on the award notice, September 4, 2026, contract 140R4026C0013

Get the next one like this from Bureau of Reclamation by email, the day it is posted.Find my opportunities

This one was awarded in 2026

25 like it are open now in water and sewer line and related structures construction

All 25 open in water and sewer line and related structures construction

Description

As published on SAM.gov.

NGWSP BLOCK 2-3 PIPELINE

Attachments

Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.

The contract, on USAspending

Federal procurement data the awarding office reported to FPDS, matched to this solicitation by its number.

Recipient
Carstensen Contracting Inc.
UEI
VK9ECEET4GG5
CAGE
6WDA0
Vendor location
Dell Rapids, SD
Contract
140R4026C0013, definitive contract
Obligated
$72,863,604.42, potential $80,959,560
Actions
1 between September 4, 2026 and September 4, 2026
Competition
Full and Open Competition, 3 offers received
Set-aside reported
No Set Aside Used.
Described as
NGWSP Block 2-3 Pipeline
Match
solicitation number 140R4026B0001 equals the FPDS solicitation identifier; same awarding office 140R40 (high confidence)
Record
USAspending award page

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. December 18, 2025

    Sources sought

    Due January 5, 2026 at 1:00 PM EST. SAM.gov, notice 9d789c22a19343c69e55c2d33d1257d4

    3 revisions on SAM
    • April 15, 2026: publish, solicitation
    • March 10, 2026: publish, presolicitation
    • December 18, 2025: publish, sources sought

  2. March 10, 2026

    Presolicitation, originally sources sought

    Due June 24, 2026 at 12:00 PM EDT. SAM.gov, notice 4f0d976d6f374070b0a56ca6882d07c2

    3 revisions on SAM
    • March 13, 2026: publish, presolicitation
    • March 10, 2026: publish, presolicitation
    • December 18, 2025: publish, sources sought

  3. March 13, 2026

    Presolicitation

    Due June 24, 2026 at 12:00 PM EDT. SAM.gov, notice a1c0859e3a4f4e48b850a97e89881f2d

    3 revisions on SAM
    • March 13, 2026: publish, presolicitation
    • March 10, 2026: publish, presolicitation
    • December 18, 2025: publish, sources sought

  4. April 15, 2026

    Solicitation, originally sources sought

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice 7531dce0b04a451680d2676d79ff826c

    8 revisions on SAM
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  5. April 27, 2026

    Solicitation

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice 6dc5f04670de47ee8f7059beffd4b3ab

    8 revisions on SAM
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  6. June 1, 2026

    Solicitation

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice 1bc073ded14a44f99bf2e0a49f44738e

    8 revisions on SAM
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  7. June 9, 2026

    Solicitation

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice 79c6697ce1a847b0aa30afaa9e2e136a

    8 revisions on SAM
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  8. June 11, 2026

    Solicitation

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice 9856c1b4a27443f0b820347c7bce83fe

    8 revisions on SAM
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  9. June 16, 2026

    Solicitation

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice 7b449064ed7944eaa8a77351c1cb78f1

    8 revisions on SAM
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  10. June 24, 2026

    Solicitation

    Due June 30, 2026 at 12:00 PM EDT. SAM.gov, notice b5e6149ec678400b9585ec3ba4121fee

    9 revisions on SAM
    • September 4, 2026: publish, award notice
    • June 24, 2026: publish, solicitation
    • June 16, 2026: publish, solicitation
    • June 11, 2026: publish, solicitation
    • June 9, 2026: publish, solicitation
    • June 1, 2026: publish, solicitation
    • April 27, 2026: publish, solicitation
    • April 15, 2026: publish, solicitation
    • December 18, 2025: publish, sources sought

  11. September 4, 2026

    Award notice, originally solicitation

    Awarded to Carstensen Contracting Inc. for $80,959,560. SAM.gov, notice 0e631687b7fe4a078c64a5b5a6218fc3

    2 revisions on SAM
    • September 4, 2026: publish, award notice
    • June 24, 2026: publish, solicitation

Points of contact