All Technical Resources
Below is an alphabetical list of all Technical Resources. You can also use our advanced search and filtering options to find your resource:
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Cover Crop Nitrogen Scavenging Calculator
This tool estimates the aboveground biomass, tissue chemistry, and nitrogen uptake of a winter cereal cover crop from three things you already know: the variety, when you planted, and how tall the stand is now. It is built on field trials by Dr. Eric Brennan (USDA-ARS) and Richard Smith (UC Cooperative Extension) in California vegetable…
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Ecological Recharge Basins: Three Case Studies (2026)
Three San Joaquin Valley recharge basins that also support wildlife: a large water bank operating for 30 years, a small basin managed by a land trust, and a privately owned basin still in planning. Each case study covers how the basin is designed, managed, permitted, and funded.
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Flow-Through Basins Report (2026)
Flow-through basins are small basins beside creeks and rivers that capture flood flows, let water soak into the ground, and return the excess to the stream. This report covers design, site selection, permitting, and funding, with examples from an irrigation district and a GSA.
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Get Recharge Ready
A package of tools to help groundwater sustainability agencies, growers, and nonprofits plan and carry out groundwater recharge in their area.
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Groundwater Recharge Crop Health Guidance: Alfalfa (2026)
This guidance document will help growers conduct on-farm recharge while protecting their alfalfa crop’s health.
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Groundwater Recharge Crop Health Guidance: Almonds (2026)
This guidance document will help growers conduct on-farm recharge while protecting their almond crop’s health.
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Groundwater Recharge Crop Health Guidance: Annual Crops When Fallow (2026)
This guidance document will help growers conduct on-farm recharge while protecting their crop’s health.
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Groundwater Recharge Crop Health Guidance: Pasture (2026)
This guidance document will help growers conduct on-farm recharge while protecting their pasture’s health.
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Groundwater Recharge Crop Health Guidance: Pistachios (2026)
This guidance document will help growers conduct on-farm recharge while protecting their pistachio crop’s health.
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Groundwater Recharge Crop Health Guidance: Vineyards (2026)
This guidance document will help growers conduct on-farm recharge while protecting their vineyard’s health.
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Groundwater Recharge Crop Health Guidance: Walnuts (2026)
This guidance document will help growers conduct on-farm recharge while protecting their walnut crop’s health.
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Groundwater Recharge Incentives and Strategies (2026)
Drawing on practitioners’ experience, this report shares financial incentives, water management strategies, opportunities, and pitfalls to help California water districts and GSAs tailor local water replenishment efforts.
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Kaweah RapidGRAT (2026)
This technical memo estimates the maximum recharge possible through canal seepage, recharge basins, and on-farm recharge across the Consolidated Water District’s roughly 80,000 acres in the Greater Kaweah GSA. It introduces RapidGRAT, a faster, simplified version of the Groundwater Recharge Assessment Tool (GRAT) that shows districts what they could achieve in a wet year like…
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On-Farm Recharge Methods Manual (2026)
Observed results and lessons learned from over a decade of working directly with growers and irrigation districts to implement on-farm recharge. Practical information from growers to growers, including over 20 case studies spanning grapes, almonds, pistachio, fallow land, basins, and more.
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Turlock: Groundwater Recharge Program Guidance and Recommendations (2026)
The East and West Turlock Subbasin GSAs jointly manage a basin where surface water is plentiful on the west side but groundwater decline is concentrated on the east. This memo describes how the two GSAs divided responsibility through strategies like in-lieu recharge, demand reduction, and a replenishment water agreement. It also offers guidance for building…
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Yolo District Recharge Guidance (2026)
Sustainable Conservation worked with the Yolo County Flood Control & Water Conservation District to expand its decades-old canal recharge program onto agricultural lands. This memo describes the District’s grower incentives, including reimbursement for field setup costs and free or discounted winter water. It also covers a simplified prioritization map that helps identify fields where recharge…