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1 . J <br /> �. C-16 <br /> The effluent filter also requires regular maintenance and must be <br /> periodically checked. As a concern for the homeownef s safety in <br /> dealing with the components of a septic system, most <br /> manufacturers and regulatory agencies recommend that a <br /> certified inspector or septic tank pumper provide this <br /> maintenance. The filter must periodically be removed from the <br /> tank, and the solids, which have been trapped and attached to <br /> the filter, must be washed back into the septic tank. This is why it <br /> would be more appropriate to have this done during the time <br /> your septic tank is being pumped. This perhaps is�the one <br /> disadvantage of having an effluent filter. If the filter is not <br /> maintained, it will potentially clog and create problems for the <br /> onsite wastewater treatment system. Such an example could be <br /> plugging the septic tank, causing the sewage to back up into the <br /> home. <br /> Holding Tanks <br /> While holding tanks are not recommended for installation on <br /> newly developed lots, there are some developed lots which do <br /> not have adequate area for a sewage treatment system. In some <br /> insces, a holding tank may be the only alternative. <br /> Figure C-16i shows a schematic diagram of a holding tank, <br /> together with the tank capacity as recommended by Chapter <br /> . <br /> 4"pipe for <br /> access to inlet 6'cleanout pipe <br /> finished grade with tight cap <br /> house sewer :_- �� • at least 6" soil cover <br /> �• '�, <br /> , < i:; <br /> =���, � ,.��; :#. �� � :. ...b•.���';_ � �.� .:+: <br /> "� �7'...;.�nc �'_r f.o,h -� 20 min �7'�'��''�ai 'ry��a s"s r.'::rv'�•a <br /> 4�ji.. <br /> {4` <br /> 4 Tank capacity for residences: 1,000 gallons minimum, �n`: � <br /> '�� or 400 gallons per bedroom,whichever is greatest;for �i��.: <br /> � a, other establishments:five times the average design '� -� <br /> ";' flow. �� <br /> � y�' <br /> �F. f7<:} <br /> �'' Tank must be watertight. •'� ' <br /> a:�� <br /> :: i,- <br /> ;�: Water flowing into sewage system must be monitored. �`�x; <br /> ;� For other establishments,a positive warning system `��: <br /> ; must be installed which allows 25% reserve capacity ���. <br /> '=' after activation. z�`': <br /> �-. ,L <br /> q,�l �T< :ri icilt; O:Y` 1'�" u:7 �';Yc4�,ra'� : :c y�� . . :... <br /> <<•µ• �r �i��!�,1�+��a 3��;�1�, �r` i ." ." -�',,.•'��;Y; <br /> Figure C-12: Holding Tank Specs <br />