# California eProcure #0000040859

DWR on-call deep soil drilling and well services

**Posted:** November 04, 2026
**Respond By:** December 09, 2026
**Identifier:** 0000040859
**NAICS:** 213112, 541360

The California Department of Water Resources is seeking on-call deep soil drilling and related well services across California.
- **Buyer:** California Natural Resources Agency, Department of Water Resources (DWR), Sacramento, California.
- **Scope:** Large-diameter rotary drilling, geological exploration, sampling, monitoring-well installation and related work, with capability to drill up to 1,400 feet. Work may occur statewide, primarily in the San Joaquin Valley.
- **Service quantities for bid evaluation:** Mobilization/demobilization, 7 events; rotary drilling and sampling, 3,300 hours; well development, 1,150 hours; well-development overtime, 175 hours.
- **Additional bid items:** Site security (estimated $250,000); special equipment and services, including laboratory testing, geophysical services, well destruction, special labor and equipment rentals (estimated $1,950,000); casing, annular materials and miscellaneous supplies (estimated $3,700,000). These are evaluation estimates, not guaranteed work; applicable contractor cost markups are capped at 10%.
- **Requirements:** At least 3% DVBE participation, a valid C-57 well-drilling license and current DIR registration.
- **OEMs and vendors:** No OEMs, manufacturers or vendors are named. No product part numbers apply.

### Description

The Department of Water Resources is soliciting bids for large-diameter deep soil drilling services, with drilling up to 1,400 feet. The anticipated agreement term is three years. Bidders must meet a minimum 3% Disabled Veteran Business Enterprise participation requirement and submit the specified participation documentation.

[View original listing](https://caleprocure.ca.gov/event/3860/0000040859)