Wash. Admin. Code § 173-160-211

Current through Register Vol. 24-21, November 1, 2024
Section 173-160-211 - What are the recommended well diameters?

TABLE 3

Recommended Well Diameters

Anticipated

Well Yield

in gpm

Nominal Size

of Pump Bowls

in inches

Optimum Size

of Well Casing

in inches

Less than 100

4

6 ID

75 to 175

5

8 ID

150 to 350

6

10 ID

300 to 700

8

12 ID

500 to 1000

10

14 OD

800 to 1800

12

16 OD

1200 to 3000

14

20 OD

2000 to 3800

16

24 OD

3000 to 6000

20

30 OD

Wash. Admin. Code § 173-160-211

Statutory Authority: Chapter 18.104 RCW and RCW 43.21A.080. 98-08-032 (Order 97-08), § 173-160-211, filed 3/23/98, effective 4/23/98.