NAICS Code Guide
NAICS 237110: Water & Sewer Line Construction
237110 covers municipal-scale water and sewer infrastructure — pipeline replacement, treatment plant connections, and lead-line replacement. EPA SRF funding flows heavily into this code.
Quick facts
- NAICS code
- 237110
- Title
- Water & Sewer Line Construction
- SBA size standard
- $45M
Government buyers
Example contract opportunities
- Lead service line replacement
- Tribal water system upgrades
- Base water main replacements
Industry context
Davis-Bacon and Buy American Build America (BABA) apply to most federally-funded municipal projects.
Related NAICS codes
- NAICS 237310 — Highway, Street & Bridge Construction
- NAICS 237990 — Other Heavy Construction
Related industries
States with the most activity in this NAICS
FAQs
- What is NAICS 237110?
- NAICS 237110 is the federal classification for Water & Sewer Line Construction. 237110 covers municipal-scale water and sewer infrastructure — pipeline replacement, treatment plant connections, and lead-line replacement. EPA SRF funding flows heavily into this code.
- What is the SBA small-business size standard for NAICS 237110?
- The SBA size standard for NAICS 237110 is $45M. A business at or below this threshold qualifies for small-business set-asides under this code.
- Which agencies buy under NAICS 237110?
- Top federal buyers under NAICS 237110 include U.S. Army Corps of Engineers, Environmental Protection Agency, BOR.
- What are example contracts under NAICS 237110?
- Lead service line replacement; Tribal water system upgrades; Base water main replacements.
- What are the most-related NAICS codes?
- Closely related codes include 237310 (Highway, Street & Bridge Construction), 237990 (Other Heavy Construction), 238910 ().