Prior to commencing the construction of an addition to or modification of a structure which will affect the wastewater flow and/or contaminant load to an existing POWTS, the owner(s) of the property shall:

(1)

Possess a sanitary permit to construct a new POWTS or modify an existing POWTS to accommodate the modification in wastewater flow or contaminant load; or

(2)

Provide the following to the Administrator:

(a)

Documentation that a POWTS of adequate capability and capacity to accommodate the wastewater flow and contaminant load already exists to serve the structure, as specified in Wis. Admin. Code ch. SPS 383;

(b)

Documentation showing that the location of the proposed structure conforms to the applicable setback distances to all of the existing POWTS components; and

(c)

An existing POWTS evaluation report, as specified in section 7.9.24 of this ordinance.

(3)

If the existing POWTS is found to be undersized, construction of the building addition or modification shall be allowed only if permitted by Wis. Admin. Code chs. SPS 383 and SPS 384.

(4)

Any installation, addition or modification of a POWTS must be completed and approved before the addition or modified area of the structure may be occupied.