Drinking Water Sampling and Testing in Shasta, Siskiyou, Lassen, Plumas, and Tehama Counties.

The State of California, Department of Transportation, is soliciting bids for drinking water sampling and testing services across Shasta, Siskiyou, Lassen, Plumas, and Tehama Counties, with service areas including Plumas Lake CDP, Plumas Eureka CDP, Shasta CDP, Shasta Lake City, Mount Shasta City, Rancho Tehama Reserve CDP, Tehama City, and related jurisdictions. The selected contractor shall furnish all necessary labor, testing equipment, materials, travel, and incidentals to conduct analytical sampling and testing of water samples on both scheduled and as-needed bases throughout the specified five-county region. The procurement requires comprehensive capability to perform routine and emergency water quality testing with the ability to respond to requests across a geographically dispersed service area. Key deliverables include completed water sample analyses, testing reports, and documentation of results in compliance with applicable drinking water standards and regulations. The invitation for bid was posted on March 6, 2026, with a proposal due date of March 24, 2026, providing potential bidders with an 18-day submission window. While the attached addendum references a mandatory prebid conference with attendance required for bid eligibility, specific details regarding the timing and location of such conference are not detailed in the provided documentation.

The provided documentation does not specify set-aside designations, disadvantaged enterprise restrictions, incumbent vendors, or existing infrastructure requirements for this procurement. Additionally, no pricing information, contract award value, budget range, or contract term duration is disclosed within the available materials. Interested contractors should note that the attached addendum addressing bidder questions indicates typical service demands of approximately five days of work per month with an estimated four to five active encampment sites in these rural counties, though this may represent supplementary information from a related procurement. Prospective bidders are advised to carefully review all bid documents and any additional addenda, particularly regarding mandatory attendance requirements at prebid conferences and detailed technical specifications for water testing capabilities and certifications that may be required to submit a compliant proposal.