Administrative Report Or Publication
 

Irrigation water quality [1998]

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https://ir.library.oregonstate.edu/concern/administrative_report_or_publications/nv935357b

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  • Most irrigation water in Oregon is of excellent quality. Occasionally a deep well yields water that is too salty for irrigation, or contains constituents that are detrimental to plants or soils. Water can be of poor quality for irrigation because of the amount of impurity (salt) it contains or the kinds of impurities present. The table of guidelines for interpretation of water quality for irrigation (next page) lists the most common sources of irrigation water problems. Since water quality is a minor problem in Oregon, virtually no local research has been conducted. The interpretive information comes from southern California, Utah, and Nevada. Considering the climatic differences, standards from California may be too restrictive for Oregon conditions. Experience over many years has indicated that this information is reasonably satisfactory for Oregon, even considering the climatic differences. Irrigation water quality can be evaluated with a water quality test. County offices of the OSU Extension Service have a list of laboratories that offer water testing services. For assistance in interpretation of water tests, contact your county Extension office.
  • Published February 1990. Reprinted January 1998. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
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