All house laterals, industrial connection sewers, septic tank outlet connections to
STEP system, and appurtenances thereto existing as of January 23, 1953, or thereafter
constructed, shall be maintained by the owner of the property served in a safe and
sanitary condition, and all devices or safeguards which are required by this Division
2 for the operation thereof shall be maintained in good working order. For septic
tanks connected to a STEP system, the limits of maintenance responsibility are: a)
the septic tank and its outlet pipe up to the point of connection to the STEP pumping
unit wet well shall be maintained by the owner of the property served; b) the STEP
pumping unit, wet well, pumped discharge piping and mainlines shall be maintained
by the public agency established for that purpose; and c) the costs of the electrical
power for the STEP pump shall be paid by the owner of the property served.