Agencies › Department of the Interior › NAICS 237110

Department of the Interior (DOI): NAICS 237110 — Water and Sewer Line and Related Structures Construction

9open solicitations

$648.3Mobligated in FY2026

72contracts ending within 18 months

Open solicitations

Y--Rehabilitation of Water and Wastewater SystemNPS · Small Business Set Aside - Total · Due 07 October 2026
Y--BRCA 318695 - CONSTRUCTIONNPS · Small Business Set Aside - Total · Due 08 October 2026
Y--HAVO 326181 Rehabilitate Rainshed&Water TreatmentNPS · Unrestricted (full and open) · Due 23 October 2026
Y--GRAY WALL LIVESTOCK WATER WELLBLM · Small Business Set Aside - Total · Due 26 October 2026
Y--NGWSP Cutter Lateral Reach 21 Booster PlantReclamation · Small Business Set Aside - Total · Due 30 October 2026
Y--Turnout BuildingsReclamation · Unrestricted (full and open) · Due 10 November 2026
GRTE 237343 - Rehab 4 Lazy F RanchNPS · Small Business Set Aside - Total · Due 13 November 2026
EAST CANAL EFFICIENCY IMPROVEMENTSReclamation · Small Business Set Aside - Total · Due 20 November 2026
J--LAKE25-101-CC LIFT STATION PUMP REPAIRNPS · Small Business Set Aside - Total · Due 06 June 2029

How DOI NAICS 237110 spends

FY2021$33.8M

FY2022$307.1M

FY2023$402.3M

FY2024$525.6M

FY2025$199.5M

FY2026$648.3M

Contract obligations by federal fiscal year (October–September), from USASpending.gov award data. IDIQ ceilings are excluded. * The current year is partial, and USASpending lags 4–8 weeks.

DOI NAICS 237110 contracts expiring in the next 18 months

72 contracts worth $1.0B.

Incumbent	Buyer	What	Value	Ends	Est. solicitation	Record
GREY SNOW PATRIOT ALLIANCE	NPS	237110 Water and Sewer Line and Related Structures Construction	$60K	23 October 2026	Now / imminent	USASpending
JMG CONSTRUCTORS LLC	NPS	237110 Water and Sewer Line and Related Structures Construction	$1.6M	30 October 2026	Now / imminent	USASpending
WCA CONSTRUCTION, LLC	Reclamation	237110 Water and Sewer Line and Related Structures Construction	$937K	30 October 2026	Now / imminent	USASpending
NORTH FORK CIVIL CONSTRUCTION, LLC	U.S. Fish and Wildlife Service	237110 Water and Sewer Line and Related Structures Construction	$84K	31 October 2026	Now / imminent	USASpending
JK CATTLE, LLC	BLM	237110 Water and Sewer Line and Related Structures Construction	$75K	31 October 2026	Now / imminent	USASpending
PURE ENVIRO-MANAGEMENT, LLC	NPS	237110 Water and Sewer Line and Related Structures Construction	$4.4M	02 November 2026	Now / imminent	USASpending
WELFL CONSTRUCTION CORP	U.S. Fish and Wildlife Service	237110 Water and Sewer Line and Related Structures Construction	$362K	02 November 2026	Now / imminent	USASpending
TERRAWORKS LLC	U.S. Fish and Wildlife Service	237110 Water and Sewer Line and Related Structures Construction	$57K	02 November 2026	Now / imminent	USASpending
WCA CONSTRUCTION, LLC	Reclamation	237110 Water and Sewer Line and Related Structures Construction	$7.9M	03 November 2026	Now / imminent	USASpending
BLUE WORLD CONSTRUCTION INC	NPS	237110 Water and Sewer Line and Related Structures Construction	$127K	06 November 2026	Now / imminent	USASpending
BLUE WORLD CONSTRUCTION INC	NPS	237110 Water and Sewer Line and Related Structures Construction	$14.7M	13 November 2026	Now / imminent	USASpending
JMG CONSTRUCTORS LLC	NPS	237110 Water and Sewer Line and Related Structures Construction	$2.1M	14 November 2026	Now / imminent	USASpending
WHITE BEAR CONSTRUCTION, INC.	NPS	237110 Water and Sewer Line and Related Structures Construction	$64K	16 November 2026	Now / imminent	USASpending
U.S. TANK & MECHANICAL SERVICES, INC.	BLM	237110 Water and Sewer Line and Related Structures Construction	$495K	17 November 2026	Now / imminent	USASpending
PIEDMONT ENVIRONMENTAL SCIENCES INC	BLM	237110 Water and Sewer Line and Related Structures Construction	$756K	30 November 2026	Now / imminent	USASpending

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

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