Where maintenance of color coding is impossible, the Authority may permit use of a permanently attached durable sign or tag of acceptable design on each piece of pipe in each line not to exceed 25 feet between signs or tags, and at each valve. The following are acceptable designs:
(1) Secondary water may be indicated by use of a durable tag in the shape of a four-inch equilateral triangle bearing the legend "water unsafe" in letters not less than 7/16 inch in height.
(2) Potable water may be indicated by use of a durable circular tag of three-inch diameter bearing the legend "safe water" in letters not less than one-half inch in height.
(Ord. No. 144, 5-16-2005)