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Do you have 17 well-drained greens, and one that doesn’t perform up to the others, and you aren’t sure why?
 In traveling the country for 30 years looking at drainage problems, I periodically run into a poorly drained green on a golf course that otherwise has greens that drain properly. There are the obvious “problem greens” where the superintendent has already identified shade as the culprit. This is usually a situation where, at first glance, there doesn’t appear to be any reasons that its performance should be subpar. Â
In trying to help the superintendent determine what might be different on his problem green, I always start with questions related to possible problems with the outfall piping. Is it