1500-Gallon (5678-L) Fiberglass Tanks (T15)
Orenco’s 1500-gallon (5678-L) fiberglass tanks are designed for underground use in onsite residential and commercial wastewater collection and treatment systems, community-wide effluent sewer systems, grease tanks, and non-potable rainwater collection. When used as a septic tank or interceptor tank, primary treatment occurs in the tank as organic matter is collected and digested, reducing wastewater contaminants by 65-70%.
Durable, lightweight FRP construction
Injection-molded for part consistency and quality
100% watertight — factory-tested before shipping
1800 gallons (6813 L) total tank volume
Ribbed design and baffle wall for use as a two-compartment tank in various volumes
Transportable by light truck
Installable by small backhoe or excavator
48-inch (1219-mm) burial depth, empty
Direct-fit for 24-inch (600-mm) Orenco access risers
Adapter available for 30-inch (750-mm) access risers
IAPMO approved for septic tanks and grease tanks
Not approved for use with potable water
Sample Product Codes*
T1500-23-20/22-11 — 1500-gallon (5678-L) fiberglass tank, two-compartment tank with baffle at third rib, 20-inch and 22-inch (508-mm and 559-mm) access riser openings, 11-inch (279-mm) inlet
T1500-23-19/19-11/13 — 1500-gallon (5678-L) fiberglass tank, two-compartment tank with baffle at third rib, 19-inch (483-mm) access riser openings, 11-inch (279-mm) inlet, 13-inch (330-mm) outlet