Holding tanks shall be considered on an individual basis. Three
complete sets of plans, as required in Wisconsin Administrative Code
§ SPS 383.22, shall be submitted to the County issuing agent
for each request to install a holding tank.
The installation of holding tanks shall be made in accordance
with the following criteria:
A. Materials. The tank shall be constructed of materials approved by
the Department.
B. Location. Tanks shall be located in accord with Wisconsin Administrative
Code Table 383.43-1.
C. Warning device. A high water warning device shall be installed. This
device shall be either an audible or an indoor illuminated alarm.
If the latter, it shall be conspicuously mounted.
D. Manhole. Each tank shall be provided with a manhole opening no less
than 23 inches in the least dimension. Manhole openings located above
treatment apparatus and pumps shall extend a minimum of four inches
above the ground surface. Each manhole cover shall have an effective
locking device. Other manhole openings shall be located no greater
than six inches below ground level.
E. Septic tank. If an approved septic tank is installed to serve as
a holding tank, the inlet and outlet baffles shall be removed and
the outlet sealed.
F. Vent. Each tank shall be provided with a minimum four-inch fresh
air inlet extending 12 inches above final grade, terminating with
an approved vent cap a minimum of 10 feet from a service door, window
or fresh air inlet.
G. Servicing. Holding tanks shall be serviced in accord with § SPS
383.54(3)(c), Wis. Adm. Code, Chapter 145, Wis. Stats., and Wisconsin
Administrative Code Chapter NR 113.
H. Before any holding tank is purchased or installed, a sanitary permit
shall be obtained in accord with § 145.19, Wis. Stats.
The agent for holding tank plan examination and approval shall
be the Pierce County issuing agent.