| 237110 |
Storm sewer construction |
| 237110 |
Utility line (i.e., sewer, water), construction |
| 237110 |
Water desalination plant construction |
| 237110 |
Water filtration plant construction |
| 237110 |
Water main and line construction |
| 237110 |
Water pumping or lift station construction |
| 237110 |
Water sampling station installation |
| 237110 |
Water system storage tank and tower construction |
| 237110 |
Water treatment plant construction |
| 237110 |
Water well drilling, digging, boring or sinking (except water intake wells in oil and gas fields) |