# NAICS 237110: Water and Sewer Line and Related Structures Construction

The SBA size standard for NAICS 237110 is $45,000,000 in average annual receipts (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 237110 |
| Title | Water and Sewer Line and Related Structures Construction |
| Level | 6 |
| Parent | 23711 |
| Size standard | $45,000,000 in average annual receipts |
| Footnote | - |

## Description

This industry comprises establishments primarily engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to water, sewer line, and related structures construction. All structures (including buildings) that are integral parts of water and sewer networks (e.g., storage tanks, pumping stations, water treatment plants, and sewage treatment plants

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/237110/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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