Irrigation Evaluation Data
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- Central Valley (sponsored by DWR)
- Central Coast (sponsored by CDFA)
Latest Updates!
- DU Paper Published in Irrigation Today
- New Data Added (see below)
Welcome to the Irrigation Evaluation Project. The purpose of this page is to provide access to Irrigation Evaluation data that has been collected and compiled over the years. The spreadsheets available below are free for public use. For more information about the ITRC Irrigation Evaluation program, ITRC has additional resources available on this website:
- Irrigation Evaluation Database, available for download for six types of irrigation systems
- Summary Graphs of DU data since 1997
- Irrigation System Evaluation Short Courses both online and on-site
- ITRC Paper No. P 2008-005: "Accuracy of Global Microirrigation Distribution Uniformity Estimates" by Styles et al
- External Paper: Burt, C.M. (2004). "Rapid Field Evaluation of Drip and Microspray Distribution Uniformity." Irrig. Drain. Syst., (18) 257-297
- ITRC Paper No. P 1997-003: "Irrigation Performance Measures: Efficiency and Uniformity" by Burt et al
- ITRC Paper No. P 1995-005: "Identification and Quantification of Efficiency and Uniformity Components" by Burt et al
ITRC Data
Data is compiled in spreadsheets for six types of irrigation systems. This data is meant for use with the evaluation data input and results forms for each particular system type, generated using the Irrigation Evaluation program. To retrieve each Excel spreadsheet, click on the irrigation method below. The Drip/Micro file is a compilation of all drip and micro evaluations formatted in the Open Data CA data format.
Drip/Micro
(1995-2026)
Border Strip
(1998-2002)
Furrow
(1997-2002)
Hand Move
(1997-2002)
Undertree
(1999-2002)
Data from Other Agencies
Please see the links below for data from agencies other than ITRC. Please note that ITRC has not reviewed this data or its methodologies for quality control purposes.