PASO ROBLES GROUNDWATER BASIN GROUNDWATER MONITORING WELL NETWORK WELLHEAD ELEVATION SURVEYING SERVICES

The County of San Luis Obispo is seeking a qualified consultant to perform professional surveying services that will establish precise wellhead reference‑point elevations for approximately 130 groundwater monitoring wells in the Paso Robles Basin. The work includes field coordination with private landowners, GNSS‑grade elevation surveys to NAVD 88 with ≤0.1 ft accuracy, data delivery in Excel and GIS formats, site photographs, and documentation of communications. The contract is a one‑year time‑and‑materials agreement funded by a California DWR grant, with a Not‑To‑Exceed budget and prevailing‑wage requirements. A virtual pre‑proposal conference is scheduled, and proposals must be submitted electronically by the end of October. • Survey ~130 existing monitoring wells (private and public land) • Achieve elevation accuracy of 0.1 ft (NAVD 88) using survey‑grade GNSS equipment • Deliver elevation data in Excel and GIS shapefile, plus photos and field notes • Coordinate landowner access and obtain permissions for each site • Follow DWR grant and County contractual terms; prevailing‑wage compliance required • Contract term: 1 year, time‑and‑materials with NTE amount • Submission deadline: 26 Oct 2026, pre‑proposal conference 19 Oct 2026 (optional)