The Water Line in Network data was derived using conventional survey methods and the original paper based Atlas sheets as a field guide. The network data contains attribute information describing very useful information such as. Please be advised that this information will change on a weekly basis. The materials contained herein are provided "AS IS" and may contain inaccuracies. User is warned to utilize the materials herein at user's own risk and to verify the materials accuracy independently and assumes the risk of any and all loss.