All meters shall be sized and a basis for sizes shall be as follows:
Five-eighths by three-fourths-inch meter for single residence, commercial or duplexes and small auto court (two or three) units.
One-inch meter for two or more houses, triplexes or under a requirement not to exceed 50 gallons per minute.
One-and-one-half-inch meter for five units based upon requirements of gallons per minute, maximum delivery 100 gallons per minute. [Ord. 962 Art. VII, § 91, 1959; Code 1970 § 13.24.110; Code 1954 § 4-3.160.]