Rock Island receives grant for water improvement December 04, 2019 - 00:00 Posted in: News Colorado County engineer Kirk Lowe presented bids for building a water tank in the Rock Island area at the Nov. 25 Colorado County Commissioners Court meeting. Five bids were received and ranged in a high bid of $444,600 to a low bid of $142,600. Lowe said the low bidder is a ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!