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Table 18. AWWA Equivalent Meter Ratios4 <br />5/8" X 3/4" <br />20 <br />1.00 <br />1.00 <br />3/4" <br />30 <br />1.50 <br />1.00 <br />1 " <br />50 <br />2.50 <br />1.00 <br />1 1 /2" <br />100 <br />5.00 <br />2.90 <br />2" <br />160 <br />8.00 <br />6.19 <br />3" <br />350 <br />17.50 <br />17.98 <br />4" <br />630 <br />31.50 <br />38.32 <br />6" <br />1,300 <br />65.00 <br />111.31 <br />8" <br />2,400 <br />120.00 <br />237.21 <br />10" <br />4,200 <br />210.00 <br />426.58 <br />12" <br />5,300 <br />265.00 <br />689.04 <br />Table 19. Winter Water Flow Ratios by Meter Sizes <br />5/8" X 3/4" <br />25 <br />1.00 <br />3/4" <br />26 <br />1.00 <br />ill <br />40 <br />1.60 <br />1 1 /2" <br />93 <br />3.60 <br />2" <br />203 <br />8.00 <br />3" <br />715 <br />28.40 <br />4" <br />1,264 <br />50.10 <br />>=6" <br />2,787 <br />110.50 <br />4 Meter capacity is measured in maximum gallon per minute (gpm) capacity of each meter size <br />s Winter water flows are the average per meter during the December -January billing period. Winter use is shown in <br />hundred cubic feet <br />City of Santa Ana - 2026 Water and Sewer Rate Study <br />16 <br />