173-218-040  <<  173-218-050 >>   173-218-060

WAC 173-218-050

Exemptions from UIC well status.

The following are not considered UIC wells and are not regulated under this chapter.
(1) Single-family residential septic systems, handling only sanitary wastes and have the capacity to serve less than twenty people per day or an equivalent design capacity of less than 3,500 gallons per day;
(2) Nonresidential septic systems and cesspools handling only sanitary wastes and have the capacity to serve less than twenty people per day or an equivalent design capacity of less than 3,500 gallons per day;
(3) Any dug, blasted or drilled hole, bored shaft that is not used for the subsurface placement of fluids in accordance with 40 C.F.R. 144.1 (g)(1)(ii);
(4) Infiltration ponds, dispersion systems, or infiltration trenches that do not contain perforated pipe; or
(5) Storm drain components that contain perforated pipes, drain tiles or other similar mechanisms designed and intended to convey water directly or indirectly to a surface water body.
[Statutory Authority: Chapters 43.21A and 90.48 RCW. WSR 06-02-065 (Order 01-10), § 173-218-050, filed 1/3/06, effective 2/3/06. Statutory Authority: RCW 43.21A.445. WSR 84-06-023 (Order DE 84-02), § 173-218-050, filed 2/29/84.]
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