At first glance, nothing seems amiss at this lush, members-only golf club in one of the priciest communities in Orange County. Pressed by the four-year dry spell and state-mandated water cuts, some of the finest courses in California are taking such steps as tearing out the grass in places where it won't affect the game, planting drought-resistant vegetation, letting the turf turn brown in spots and installing smart watering systems. ''The new buzzword in the industry is 'Brown is the new green.' We can't provide the same kind of product as we'd like to anymore,'' said Mike Williams of Hidden Valley Golf Club in Norco. Last week, state regulators ordered a 25 overall cut in the use of drinkable water in California, leaving it up to local water agencies to decide how to achieve it. More...