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Water and Sewer Line and Related Structures Construction (NAICS 237110) contracts expiring 2027–2028

12 small-business set-aside contracts in NAICS 237110 end between Apr 18, 2027 and Apr 18, 2028, with $150,830,966 obligated so far. 6 score as high priority (80+). Biggest buyers: Department of the Army, National Park Service, Department of Veterans Affairs. By set-aside: 6 small business, 2 8(a), 2 HUBZone, 1 WOSB/EDWOSB, 1 SDVOSB.

Data as of Oct 17, 2026 from USAspending.gov (refreshed weekly, last Oct 17, 2026). 6 open NAICS 237110 bids now · NAICS 237110 size standard · How the score works

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Contracts ending, highest score first

Score	Incumbent	Agency	Industry	State	Total obligated	Ends
86	BAIRCO CONSTRUCTION INC GLAC 318705 - PACKAGE #1 CONSTRUCTION SO Why 86? ends in 10 mo · no option years left · $19M · 3 offers last time · standalone contract Ends in about 10 months (Aug 31, 2027). +22/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $19M obligated so far. +17/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10	Department of the Interior National Park Service	Water and Sewer Line and Related…	MT	$18,573,634	Aug 31, 2027
86	KWR CONSTRUCTION INC REPAIR OF WASTE WATER TREATMENT PLANT 2 AT FORT HUACHUCA, ARIZONA Why 86? ends in 9 mo · no option years left · $6.8M · 2 offers last time · standalone contract Ends in about 9 months (Jul 10, 2027). +26/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $6.8M obligated so far. +13/20 Last time it was competed among eligible firms (set-aside competition) with 2 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2021 (about 5 years).	Department of Defense Department of the Army	Water and Sewer Line and Related…	AZ	$6,806,904	Jul 10, 2027
82	DMS CONTRACTING INC EAST CREEK SEWER SEPARATION PROJECT, BELLEVILLE, ILLINOIS Why 82? ends in 11 mo · no option years left · $11M · 3 offers last time · standalone contract Ends in about 11 months (Sep 30, 2027). +20/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $11M obligated so far. +15/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2024 (about 3 years).	Department of Defense Department of the Army	Water and Sewer Line and Related…	IL	$11,035,023	Sep 30, 2027
81	PARAGON PROFESSIONAL SERVICES LLC CONSTRUCTION SERVICES FOR HIDDEN LANE WATERLINE EXTENSION, STERLING, VIRGINIA Why 81? ends in 6 mo · no option years left · $22M · sole source last time · standalone contract Ends in about 6 months (Apr 21, 2027). +30/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $22M obligated so far. +17/20 Last time it was not available for competition (sole source), so the agency could sole-source the follow-on again. +4/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 2 years).	Department of Defense Department of the Army	Water and Sewer Line and Related…	VA	$22,008,724	Apr 21, 2027
81	BAIRCO CONSTRUCTION INC YELLOWSTONE - MAMMOTH WATER LINE REPLACEMENT Why 81? ends in 7 mo · no option years left · $532K · 2 offers last time · standalone contract Ends in about 7 months (May 31, 2027). +29/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $532K obligated so far. +5/20 Last time it was competed among eligible firms (set-aside competition) with 2 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10	Department of the Interior National Park Service	Water and Sewer Line and Related…	WY	$532,226	May 31, 2027
80	SEA PAC ENGINEERING INC REFER TO SECTION J FOR THE STATEMENT OF WORK, DRAWINGS, SPECIFICATIONS, AND ALL OTHER… Why 80? ends in 12 mo · no option years left · $9.9M · 3 offers last time · standalone contract Ends in about 12 months (Nov 1, 2027). +18/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $9.9M obligated so far. +15/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 1 year).	Department of Defense Department of the Air Force	Water and Sewer Line and Related…	GU	$9,905,586	Nov 1, 2027
77	IDEAL ENGINEERING SOLUTIONS P.S.C REPLACE EXISTING UNDERGROUND UTILITIES ON PROPERTY INCLUDING DOMESTIC WATER, FIRE WATER,… Why 77? ends in 13 mo · no option years left · $7.7M · 2 offers last time · standalone contract Ends in about 13 months (Nov 23, 2027). +16/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $7.7M obligated so far. +14/20 Last time it was competed among eligible firms (set-aside competition) with 2 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 1 year).	Department of Transportation Federal Aviation Administration	Water and Sewer Line and Related…	PR	$7,674,040	Nov 23, 2027
76	RED EAGLE 3 JV THIS IS A REQUIREMENT TO REPLACE THE WATERLINES ON THE SOUTH SIDE OF PINE BLUFF ARSENAL. Why 76? ends in 13 mo · no option years left · $23M · 6 offers last time · standalone contract Ends in about 13 months (Nov 22, 2027). +17/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $23M obligated so far. +17/20 Last time it was competed among eligible firms (set-aside competition) with 6 offers (crowded field). +12/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10	Department of Defense Department of the Army	Water and Sewer Line and Related…	AR	$22,859,800	Nov 22, 2027
76	CBSE2 JV GRCA 318719 CONSTRUCT TEMP. WWTP AT NORT Why 76? ends in 13 mo · no option years left · $18M · 6 offers last time · standalone contract Ends in about 13 months (Nov 19, 2027). +17/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $18M obligated so far. +17/20 Last time it was competed among eligible firms (set-aside competition) with 6 offers (crowded field). +12/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10	Department of the Interior National Park Service	Water and Sewer Line and Related…	AZ	$17,963,311	Nov 19, 2027
76	BOYER COMMERCIAL CONSTRUCTION INC CONTRACTOR SHALL COMPLETELY PREPARE SITE FOR BUILDING OPERATIONS, INCLUDING DEMOLITION… Why 76? ends in 14 mo · no option years left · $13M · 3 offers last time · standalone contract Ends in about 14 months (Dec 24, 2027). +14/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $13M obligated so far. +15/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 1 year).	Department of Veterans Affairs Department of Veterans Affairs	Water and Sewer Line and Related…	SC	$13,023,231	Dec 24, 2027
76	GUARDIAN CONSTRUCTION, INC. MEVE 317500, REPLACE MOREFIELD WATERLINES, MESA VERDE NATIONAL PARK CO Why 76? ends in 12 mo · no option years left · $9.4M · 4 offers last time · standalone contract Ends in about 12 months (Oct 29, 2027). +18/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $9.4M obligated so far. +14/20 Last time it was competed among eligible firms (set-aside competition) with 4 offers. +14/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10	Department of the Interior National Park Service	Water and Sewer Line and Related…	CO	$9,449,817	Oct 29, 2027
69	PRAIRIE BAND CONSTRUCTION, INC. CONSTRUCTION IMPROVEMENTS FOR CLARDY FOX PUMP STATION AT EL PASO, EL PASO COUNTY, TEXAS Why 69? ends in 11 mo · no option years left · $11M · sole source last time · standalone contract Ends in about 11 months (Oct 1, 2027). +20/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $11M obligated so far. +15/20 Last time it was not available for competition (sole source), so the agency could sole-source the follow-on again. +4/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10	Department of Defense Department of the Army	Water and Sewer Line and Related…	TX	$10,998,670	Oct 1, 2027

Largest: Red Eagle 3 JV, $22,859,800 with Department of the Army, ends Nov 22, 2027.

Frequently asked questions

How many NAICS 237110 set-aside contracts are expiring soon?

As of Oct 17, 2026, AwardWatchdog tracks 12 small-business set-aside recompete opportunities in NAICS 237110 (Water and Sewer Line and Related Structures Construction) whose current period of performance ends between Apr 18, 2027 and Apr 18, 2028, with $150,830,966 obligated so far. 6 score as high priority (80+).

Which agencies have the most NAICS 237110 contracts ending?

By dollars obligated: Department of the Army ($73,709,121), National Park Service ($46,518,988), Department of Veterans Affairs ($13,023,231). Source: USAspending.gov, as of Oct 17, 2026.

Which NAICS 237110 contract ends first?

Paragon Professional Services LLC's contract with Department of the Army (W912DR25C0005) ends Apr 21, 2027, with $22,008,724 obligated.

End dates are the current period of performance and can move when options are exercised or the contract is extended. Not affiliated with the U.S. government; confirm on USAspending.gov and SAM.gov.