General Onsite Wastewater Products
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| General Onsite Wastewater Products Orenco Systems®, Incorporated 814 Airway Ave., Sutherlin, OR 97479 USA 800-348-9843 • 541-459-4449 www.orenco.com/product_catalogs

| General Onsite Wastewater Products Catalog To Our Customers Thank you for the opportunity to introduce you to the products we design and manufacture for general onsite wastewater applications. Whether you need risers and lids, tank adapters, pump basins, effluent filters, splice boxes, or control panels, Orenco’s line of General Onsite Products offers many advantages. They’re carefully engineered, durable, reliable, and competitively priced. Of course, we’re also proud of our pre-sales and post-sales technical support, which many people say is the best in the industry. The purpose of this...

General Onsite Wastewater Products Catalog | Orenco

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General Onsite Wastewater Products Catalog | Orenco Fiberglass Tanks Fiberglass 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 fiberglass tanks provide primary wastewater treatment, reducing wastewater contaminants by 65-70%.

| General Onsite Wastewater Products Catalog Fiberglass Tanks 500-Gallon (1890-L) Fiberglass Tanks (T5) Orenco’s 500-gallon (1890-L) fiberglass tanks are designed for underground use as pump tanks in onsite residential and commercial wastewater collection and treatment systems, as well as for grease tanks and tanks for non-potable rainwater collection. • Durable, lightweight FRP construction • Injection-molded for part consistency and quality • 100% watertight — factory-tested before shipping • 623 gallons (2347 L) total volume available • Direct-fit for 12-24-inch (300-600-mm) Orenco...

General Onsite Wastewater Products Catalog | Orenco Fiberglass Tanks 1000-Gallon (3785-L) Fiberglass Tanks (T1) Orenco’s 1000-gallon (3785-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...

| General Onsite Wastewater Products Catalog Fiberglass Tanks 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...

General Onsite Wastewater Products Catalog | Orenco Fiberglass Tanks 2000-Gallon (7570-L) Fiberglass Tanks (T2) Orenco’s 2000-gallon (7570-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%. 2000-gallon fiberglass tanks are available fully...

| General Onsite Wastewater Products Catalog Fiberglass Tanks Fiberglass Tank Volume per Unit of Liquid Depth: 1000-, 1500- and 2000-Gallon Tanks These tables show the relationship between tank volume, the float setting elevation, and the liquid depth of the tank. The float setting is measured from the top of the tank to the liquid surface; liquid depth is measured from the liquid surface to the floor of the tank. Liquid Depth: 1000- and 1500-Gallon Tanks NOTE: Data used in the tank volume tables are rounded; totals may not exactly match the actual total volume of your tank. Top of Tank...

General Onsite Wastewater Products Catalog | Orenco Fiberglass Tanks Liquid Depth: 2000-Gallon Tanks Liquid Depth, Inches Float Setting, Inches Float Settings Liquid Depth

| General Onsite Wastewater Products Catalog Fiberglass Tanks Fiberglass Tank Volume per Unit of Liquid Depth: 500-Gallon Tanks All Orenco® 500-gallon tanks are single-compartment tanks. The table below shows the relationship between tank volume, the float setting elevation, and the liquid depth. The float setting is measured from the tank’s top to the liquid surface; liquid depth is measured from the liquid surface to the tank’s floor. NOTE: Data used in this table are rounded; totals may not exactly match the actual total volume of your tank. Float Setting, Inches Volume/Inch of Depth,...

General Onsite Wastewater Products Catalog | Orenco Access Risers and Accessories Orenco® PVC Access Risers provide access to tanks and components in water and wastewater systems. They can be cast into the tops of concrete tanks, bonded to a concrete or fiberglass tank with epoxy, or bolted down to a concrete tank with an adapter and bolt-down kit. In addition to providing risers, Orenco also offers riser accessories including grade rings, grade ring inserts, and riser-to-lid adapters, as well as tools for cutting risers squarely and cutting grommet holes. Orenco strongly recommends that...

| General Onsite Wastewater Products Catalog Access Risers and Accessories Ultra-Rib™ Access Risers (RR, RU, RPU) Ultra-Rib™ PVC access risers are used to provide access to tanks and also used as valve enclosures in water and wastewater systems. Bulk quantities are available. • PVC construction • Concentric rib design • Available in 12-inch, 18-inch, 21-inch, and 24-inch nominal diameters (300-mm, 450-mm, 525-mm, and 600-mm DN) • Heights available in 3-inch (76-mm) nominal increments to 13 feet (3.96 m) for 12-inch and 18-inch nominal diameter (300-mm and 450-mm DN) risers and 14 feet (4.27...