About
Built by people who move the dirt
FieldFlowCAD is built by Rogue Ag Irrigation & Excavation, an irrigation and excavation contractor in Southern Oregon. It was created by Jeremy Crandall.
Why it exists
Irrigation work gets planned on napkins, in heads, and in phone calls, and then someone moves dirt. FieldFlowCAD exists so the plan can be drawn on the actual ground, sized, simulated, and priced before a single yard is excavated — by the landowner, the contractor, or the district, without a CAD license.
What we build
- Irrigation design software for ranchers, farmers, and contractors.
- WaterOps, the map-based operations side for irrigation districts and canal companies.
- Guides that explain the equations the software uses, with worked examples.
How we treat the numbers
Every analysis screen says what it is: a calculated steady-state planning estimate. The app names its methods — Manning for ditches, Hazen-Williams for pipe, the orifice equation for gates — and refuses to animate flow that a valid source is not actually feeding. Field verification and qualified engineering review are required for final construction or official operation.
How we treat your data
Landowner projects are local-first and stay in your browser unless you explicitly share them or use cloud saves. District workspaces are separate, and each district owns its own records.