SIM Smart Irrigation Management
Lower Colorado River Validation Corridor

Test the field-level claim where water accounting is already serious.

This is not a claim of system-wide conservation. It is a field-level validation framework designed to measure applied water, root-zone response, pressure, flow, energy, and crop outcome under continuous ultra-low-flow delivery.

Yuma / Lower Colorado

Validation should happen where accounting standards can challenge the model.

Reclamation's Lower Colorado River accounting framework tracks diversions, returns, consumptive use, CUL categories, and LCRAS evapotranspiration and acreage estimates. That makes the region a serious place to validate or reject field-level Nano Flow assumptions.

Public accounting context

  • Water Accounting Reports tabulate measured diversions, measured returns, and consumptive use by lower Colorado River user.
  • The Reclamation page lists the 2024 Water Accounting Report as the newest report.
  • CUL data is categorized by use type, reporting area, and state, with a 1971-2024 dataset referenced on the public page.
  • LCRAS estimates agricultural, riparian vegetation, and open water acreage and water use along the lower Colorado River.
1. Field hydraulics

Measure the receiving-system demand profile.

  • Flow rate and runtime logs.
  • Pressure stability by zone and line.
  • Application intensity versus conventional set design.
2. Root-zone response

Document whether continuous delivery stabilizes the root zone.

  • Soil tension inside the target operating band.
  • Moisture variability during 24-hour operation.
  • Crop response and management observations.
3. Accounting fit

Connect field measurements to public accounting language.

  • Applied water by interval and block.
  • Energy per useful acre-foot.
  • Peak Hydraulic Demand per Useful Acre-Foot.

Validation statement

Nano Flow should be tested where public accounting can keep the claim honest. The defensible claim is not a blanket system-wide water savings number. The defensible claim is that Nano Flow reduces peak field-level hydraulic demand, allowing water to be applied more slowly, continuously, and measurably under constrained supply conditions.

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