Since the instream issue is covered by a different white paper I will concentrate on curtailment. Curtailment plans are very likely to be the biggest near term need for most entities. A description of the frequency and magnitude of supply deficiencies and current capacity limitation. The Department's Model Ordinance is more detailed for specific actions and the Division 86 process is oriented more toward a decision making process. One of the weaknesses of working on the decision making process when there is no impending shortage is that some cities will not commit to making the hard choices of rationing until they are completely out of water.
Most irrigation systems have the capacity to apply too much water early in a season.
Scheduling helps you get the best use out of your irrigation water. For more information, contact your local Natural Resource Conservation District office, Soil and Water Conservation District, or OSU Extension Agent. This requires correct nozzle size, sprinkler spacing, and system pressure. Check all nozzles for wear and replace worn ones. Avoid irrigation during periods of high wind and temperature.