Carpenter Drilling, LLC
Benton City, WA Doing business as Water Well Drilling
- UEI
- XBP7SARJCLA1
- CAGE
- 52T24
- Primary NAICS
- 221310 Water Supply and Irrigation Systems
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Partnership or Limited Liability Partnership
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Physical address
- 11 Goose Gap Rd, Benton City, WA 99320, USA
- Website
- carpenterdrilling.com
- Founded
- 1995
- Employees
- 1-10
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Energy
- Energy Equipment & Services
- Gas Utilities
- Oil & Gas
- SIC code
- 13 Oil & Gas Extraction
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $120,240 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Health and Human Services | $120,240 |
Contract awards
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Central Plateau Cleanup Company, LLC | 89303924FEM400054 | $168,410 | |
| Central Plateau Cleanup Company, LLC | 89303924FEM400054 | $45,000 | |
| Central Plateau Cleanup Company, LLC | 89303921FEM400038 | $753,800 |
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About the company
Carpenter Drilling, LLC, operating as Water Well Drilling, is a limited liability company based in Benton City, Washington, that has been registered to receive federal awards since May 2008. The firm specializes in groundwater well drilling, installation, and decommissioning services for federal infrastructure projects, with particular expertise in environmental remediation and water resource management on tribal lands and at federal facilities. The company brings established capabilities in well construction and abandonment that position it as a specialized service provider within the federal contracting landscape.
Carpenter Drilling's federal contract portfolio demonstrates a strong focus on groundwater-related environmental work across multiple operational areas. Most significantly, the Indian Health Service awarded the company a $120.2 million firm fixed-price contract in November 2025 for the decommissioning of four abandoned community drinking water wells on the Yakama Indian Reservation in White Swan, Washington, designated as a Total Small Business set-aside with completion scheduled for January 30, 2026. Beyond this prime contract award, Carpenter Drilling has served as a subcontractor to Central Plateau Cleanup Company, LLC on multiple groundwater projects at the Hanford Nuclear Site, including well installation and decommissioning work across various operable units. The subcontract awards span from January 2022 through March 2024 and encompass diverse work scopes such as the installation of dual-purpose monitoring wells in the 200-UP-1 Groundwater Operable Unit, installation of wells at the 100-KR-4 Operable Unit, installation of base and optional wells across multiple operable units in fiscal years 2022-2024, decommissioning of four wells in the 200-ZP-1 Operable Unit with optional drilling of additional wells, and decommissioning of individual wells including Well 299-E28-15. This work history reflects the company's technical competency in complex groundwater remediation projects serving federal agencies focused on environmental restoration and public health protection.
Quick answers
Is Carpenter Drilling, LLC registered in SAM.gov?
Yes. Carpenter Drilling, LLC's SAM.gov registration is active through December 9, 2026.
What is Carpenter Drilling, LLC's CAGE code?
Carpenter Drilling, LLC's CAGE code is 52T24, and its Unique Entity ID (UEI) is XBP7SARJCLA1.
How much has Carpenter Drilling, LLC received in federal contracts?
Federal contracts obligated $120,240 to Carpenter Drilling, LLC in fiscal years 2023 through 2027.
What is Carpenter Drilling, LLC's most recent federal award?
Carpenter Drilling, LLC's most recent federal contract award is Yakama white swan well decommissioning (75H70126C00001), from Indian Health Service, on November 4, 2025.
On GovTribe
See Carpenter Drilling, LLC's full federal record
- Federal contract awards
- IDV awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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