With the summer heat peaking, it’s a wonder that Â鶹Ãâ·Ñ°æÏÂÔØBoulder’s lawns stay pristine. Here are 10 interesting facts about CU’s irrigation system which gets the job done: Â鶹Ãâ·Ñ°æÏÂÔØhas the largest centrally-controlled irrigation system west of the Mississippi River. All told, campus has over 66,000 sprinkler heads. The sprinklers...