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View recently adopted ordinances as of January 13, 2009 NOT YET CODIFIED OR INTEGRATED IN THIS SITE. (pdf file)

Ordinances enacted through January 13, 2009

SANTA CLARA COUNTY CODE OF ORDINANCES: Sec. B11-92. Septic tank requirements.

Copyrighted by SANTA CLARA COUNTY CODE & Municipal Code Corporation, 1998.

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Sec. B11-92. Septic tank requirements.

(a) Septic tanks must be a minimum of 1,500 gallons with two compartments. For above-average sewage volumes, the Director may require a larger tank size to achieve sufficient holding time for the anticipated sewage load. The first compartment must be two-thirds the total tank volume. The compartments are to be separated by a baffle or equivalent arrangement. The tank dimensions must be large enough to provide maximum settling and treatment.

(b) Septic tanks must be watertight and constructed of reinforced concrete, heavyweight reinforced concrete blocks, or other materials as approved by the Director. All interior surfaces must be coated with bitumastic or similar compound to minimize corrosion.

(c) Access to each septic tank compartment must be provided by a manhole at least 20 inches in diameter and having a durable handle to facilitate removal.

(d) A riser must extend from each manhole cover to or above the surface of the ground. The riser must be of a size larger than the manhole cover, be both gas- and watertight, and be constructed of durable material.

(e) All connections from building to septic tank must conform to construction standards as required by the local Building Official.

(f) The minimum setbacks, in feet, for a septic tank are as follows:

Any well, spring or watercourse . . . . 100

Drainage swale (as measured from break of slope) . . . . 50

High-water mark of a reservoir . . . . 200

Cut bank (as measured from top of cut) . . . . 10

Property line . . . . 10

Foundation . . . . 10

(Ord. No. NS-517.72, § 2, 4-15-03)

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