Section 246-274-405. Location.

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Tier 1, Tier 2, and Tier 3 greywater irrigation systems shall be designed and installed to meet the minimum horizontal setback requirements specified in Table I.

Table I

Minimum Horizontal Setbacks


1	The item is down-gradient when liquid will flow toward it upon encountering a water table or a restrictive layer. The item is up-gradient when liquid will flow away from it upon encountering a water table or restrictive layer.
2	If surface water is used as a public drinking water supply, the greywater system must be located outside of the required source water protection area.

[Statutory Authority: RCW 90.46.015. WSR 11-02-011, § 246-274-405, filed 12/28/10, effective 7/31/11.]

RCW 90.46.015. WSR 11-02-011, § 246-274-405, filed 12/28/10, effective 7/31/11.

                    
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