Request for Proposal for Madera County GSA Measurement Services
This Request for Proposal (RFP) issued by the Madera County Groundwater Sustainability Agencies (GSAs) seeks proposals from qualified consultants to provide satellite measurement services. The contract(s) may be awarded for a one-year or multi-year term. The deadline to submit a proposal is June 16, 2025.
Questions received in May 2025 regarding the RFP, along with Madera County GSAs’ responses, are now available: RFP Questions and Responses May 2025
What is being measured?
Within the County Groundwater Sustainability Agency (County GSA), water use on irrigated acres is measured.
How is water being measured?
The County GSA measures water used by irrigated agriculture within the County GSA. In 2023, the County GSA offers three methods for growers to choose from for measurement:
1. IrriWatch
2. Land IQ with paper reports available 45-60 days after the end of each month
3. Private meters (with pre-inspection both for installation and for flow calibration and a map of meter and well locations and what each well irrigates, along with monthly meter reads uploaded to our portal; see list at bottom of the page with potential vendors for inspections)
- Madera County GSA Flow Meter Approval Checklist
- Madera County GSA Flow Meter Attestation Form
- Madera County GSA In Field Flow Meter Calibration Form | Additional Meter Page
- Madera County GSA Approved Vendors For Flow Meter Inspection Services List
You must select the same measurement method for all APNs within your Master Account.
Additional Resources
Evapotranspiration of Applied Water Appeal Process
2022 Verification Project Results Grower Workshop 2/28/2023
2023 Preliminary Growers Workshop Presentation 1/22/2024
Madera Verification Final Project Report 2023
2024 Preliminary Project Results Grower Workshop 1/27/2025