Section 24.17.200 Expansions.

24.17.200 Expansions.

(1) The health officer shall require an on-site sewage system and its reserve area be in full compliance with the new system construction standards specified in this regulation for an expansion of a residence or other facility.

(2) Any necessary permits for the on-site sewage system repair or construction must be issued prior to final building plan approval.

(3) For a single-family residence where a detached guest house is proposed (allowed in Clark County in accordance with Section 40.260.010), the following options are possible:

(a) A separate OSS is installed to serve the guesthouse;

(b) The existing OSS is sized for the total number of bedrooms; or

(c) A single-bedroom guesthouse is connected to the existing OSS, provided time dosing can be added and notice to title is recorded.

(4) For a single-family residence that will be converted to a guest house on a lot where a new single-family residence is proposed, the OSS must be sized for the total number of bedrooms for both structures. This is possible through:

(a) Installation of a new OSS to serve both houses and the existing OSS abandoned;

(b) Installation of a new OSS to serve the new house and the existing OSS maintained;