Orenco Meander Tanks

 Meander gravity septic tanks manufactured by Orenco® are watertight, lightweight, durable tanks optimized for use in onsite wastewater collection and treatment systems for residential, multi-family, or commercial applications as well as for community-wide effluent sewer systems. Orenco meander tanks provide primary wastewater treatment, reducing wastewater contaminants.
  • Durable, lightweight construction
  • Transportable by light truck
  • Installable by small backhoe or excavator
Available in two sizes:
  • 1,000 gallon: Includes one access ports: 30" allows access to inlet and outlet baffle
  • 1,500 gallon: Includes two access ports: 30" main port allows access to inlet and outlet baffle, optional 24" port allows access to second baffle
All septic tanks include 6" effluent filter. Read more about our filters here. Prices current September 2024 and subject to change.
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Please note:
  • Orenco fiberglass septic tanks are no longer in production (as of January 2021)
  • Meander gravity tanks are not the same as Prelos tanks that require pumps
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1,500 gallon Meander gravity tank

Septic Tanks

Available capacities:
• 1,000 Gal.: $6,700
• 1,500 Gal.: $7,200

Grease Interceptors

Pending approval

Water Tanks

Available capacities:​
• 1,000 Gal.: Call for price
• 1,500 Gal.: Call for price