Aquascape 77000 22" Waterfall Spillway – Formal Sheet Waterfall Weir for Pond & Wall Features
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Description
The Aquascape 77000 Waterfall Spillway is a professional-grade, 22-inch wide spillway unit rated for flow rates up to 7,500 GPH. Internal baffles distribute incoming water evenly across the full 22-inch lip for a smooth, consistent sheet-style waterfall without channeling or surging. The compact 17.5” × 24” × 5” housing is strong enough to support direct placement of boulders, gravel, and soil directly on top, making it easy to camouflage into any landscape setting.
Connect the discharge from your pond pump to the rear-mounted 2” bulkhead inlet using either the included 2” PVC slip fitting (for rigid pipe) or the included 1.5” barbed hose fitting (for flexible tubing). The spillway can be built into hardscape walls for a formal sheet waterfall, buried in a natural streambed for a naturalistic cascade, or installed at the edge of a pondless waterfall basin as the system’s starting point. Backed by a Limited Lifetime Warranty.
Ideal For
Technical Specifications
| Specification | Value |
|---|---|
| SKU | 77000 |
| Spillway Opening Width | 22” (56 cm) |
| Maximum Flow Rate | 7,500 GPH |
| Dimensions (L × W × H) | 17.5” × 24” × 5” (unit width 24”; spillway opening 22”) |
| Weight | 8 lbs |
| Inlet Position | Rear of unit (pre-installed 2” bulkhead) |
| Construction | Injection-molded, impact-resistant plastic; boulders/rocks can be placed on top |
| Installation Type | Pondless waterfall | stream start | pond addition | hardscape/formal wall |
| Multiple Unit Use | Yes — install side-by-side for wider waterfalls |
What’s Included
- Aquascape 77000 Waterfall Spillway body with pre-installed 2” rear bulkhead
- 2” PVC slip fitting (for rigid pipe connection)
- 1.5” barbed hose fitting (for flexible tubing connection)
- Installation instructions
Aquascape Waterfall Spillway Family
| Model | SKU | Spillway Width | Max Flow | Inlet |
|---|---|---|---|---|
| Waterfall Spillway 22” ← This | 77000 | 22” | 7,500 GPH | Rear 2” bulkhead |
| Waterfall Spillway 12” | 77023 | 12” | 4,000 GPH | Rear 2” bulkhead |
Both models include the same fittings (2” PVC slip + 1.5” barbed) and carry the Limited Lifetime Warranty. Install two 77000 units side-by-side for a 44” wide waterfall.
Frequently Asked Questions
What is the maximum flow rate for the Aquascape 22" Waterfall Spillway?
The Aquascape 77000 Waterfall Spillway handles flow rates up to 7,500 GPH. The wide 22-inch opening distributes this volume evenly across the full spillway lip, producing a smooth, consistent sheet of water even at high flow rates. For larger waterfall displays, two 77000 units can be installed side-by-side to handle up to 15,000 GPH across a 44-inch waterfall.
How do the internal baffles improve waterfall performance?
The integrated internal baffles are positioned strategically inside the spillway body. When high-velocity water from the pump enters the rear inlet, the baffles diffuse and slow the flow, distributing it evenly across the full 22-inch width. Without baffles, the incoming flow would create a turbulent central surge with slower water at the edges, producing an uneven waterfall with a noticeable hump in the middle. The baffles eliminate this effect, producing a level, even sheet across the entire lip.
Is this spillway compatible with all pond liner types?
Yes. The Aquascape Waterfall Spillway can be used with 45-mil EPDM, PVC, or HDPE pond liners in pondless waterfall applications. The rear-mounted pre-installed 2” bulkhead provides the connection point. Two fitting options are included: a 2” PVC slip fitting (for solvent-welded rigid pipe) and a 1.5” barbed hose fitting (for flexible kink-free tubing). Choose the fitting that matches your plumbing run — both connect to the same pre-installed rear bulkhead.
Can the Aquascape 77000 be used in a pondless waterfall system?
Absolutely. The 77000 is designed specifically as the starting point for pondless disappearing waterfall systems where a biological filter is not required. In a pondless system, the pump draws water from a buried basin reservoir and discharges it up through buried pipe to the rear of the spillway. Camouflage the spillway by placing boulders, gravel, and plant material directly on top of the unit — the durable injection-molded body supports the full weight of large boulders without warping or crushing.
What are the benefits of the structural ribbing on the spillway body?
The ribbed body provides compressive strength that allows heavy rocks, boulders, and even soil loads to be placed directly on top of the spillway for landscape integration. In a naturalistic stream installation, this means the entire unit can be buried and covered with natural materials with only the 22-inch front lip visible — or even built below a rock overhang for a hidden waterfall effect. The ribbing also prevents the body from flexing under hydrostatic pressure when the unit is full, which maintains a perfectly level spillway lip for an even water sheet.
Does this spillway require regular maintenance?
The Aquascape 77000 contains no filter media and requires virtually no routine maintenance. Periodically check that no large debris (leaves, twigs) has accumulated inside the unit that might disrupt the internal baffles. If your installation includes upstream pre-filtration (skimmer or pump vault with a debris screen), debris entry into the spillway body will be minimal. The injection-molded plastic body does not rust, corrode, or degrade UV exposure over time.
Why Buy from Pond Pro Direct?
- Authentic Aquascape products with Limited Lifetime Warranty
- Expert water feature sizing guidance — call or text (765) 508-4352, Mon–Fri 9am–5pm EST
- Free shipping on all orders
- Price match guarantee on identical products
- 30-day return period on eligible items
Price Match
At Pond Pro Direct, we want you to shop with confidence, knowing you’re always getting a good deal.
We will match or beat the lowest online price on its products.
If you find a lower price for any products on our store, we will beat it by $50 for products listed over $2000. In order to be eligible, you must provide proof, whether a screenshot, invoice, email, etc. of the lower offer.
Please note that this does not apply to every product in the store, so reach out via email or chat for confirmation before purchasing.
For the policy to apply, simply send us a screenshot, link, or any other proof of the lower price.
For more information, please check out Price Match Policy Page
Shipping & Delivery
Order Processing
Orders are processed within 1–5 business days, depending on product type, brand, and fulfillment method. Products sold on Pond Pro Direct ship directly from manufacturers or authorized distribution partners and do not ship from a single centralized warehouse.
Processing times may vary by brand, item type, fulfillment method, and whether an item is made to order or ships via freight.
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After placing your order, you will receive an order confirmation email confirming that we have received your order and pre-authorized your payment method.
Once your order is received, we contact the manufacturer or distribution partner to confirm availability and fulfillment timelines.
- If an item is unavailable or on backorder, we will notify you by email and void the pre-authorization.
- If the item is available, the payment will be processed and the order submitted for shipment.
Order Shipment
If your order is in stock and payment is processed, it will typically ship within 6–13 business days. Once your order ships, tracking information (when available) will be sent to the email address provided at checkout.
If you do not receive shipping confirmation within 6 business days, please contact us at support@pondprodirect.com.
Shipping Destinations
At this time, we primarily ship within the United States. Some products may be available for shipment to Canada. If the website allows checkout and accepts your shipping address, the product is eligible for delivery to that location.
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Address changes after an order has been processed or shipped may result in delays or additional carrier fees. Any carrier charges associated with address changes are the responsibility of the customer.
Shipping Times
All shipping times are estimates only and not guarantees.
- Typical handling time: 1–5 business days
- Typical transit time after shipment: 5–8 business days
- Estimated delivery window: 6–13 business days
Delivery timelines may vary based on brand, item type, production status, freight requirements, and carrier availability.
If an order is cancelled after it has been processed or shipped, the customer may be responsible for applicable shipping charges, freight fees, carrier return fees, and warehouse handling costs, where applicable.
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Available shipping options vary by product and location.
Our standard Curbside Delivery option is provided at no additional cost where applicable and delivers the item to the curbside or driveway of the delivery address.
Additional options, such as Threshold Delivery or White Glove Delivery, may be available for select products and locations.
For full details regarding freight delivery, inspection requirements, liftgate service, returns, and customer responsibilities, please review our full Shipping Policy page.
Returns & Refunds
Cancellations & Refunds
Orders may be canceled free of charge before shipment, unless the item is classified as Custom or Made-to-Order (see below).
If you have questions about your order, please contact us at support@pondprodirect.com or call (765) 508-4352 during business hours.
Cancellations (Before Order Ships)
If you need to cancel an order before it ships, please contact us as soon as possible. Orders canceled prior to shipment are eligible for a full refund.
You can reach our team by phone at (765) 508-4352, via live chat on our website, or by email at support@pondprodirect.com.
Cancellations (After Order Ships)
Once an order has shipped or entered fulfillment, it may no longer be eligible for cancellation. If you no longer wish to keep the item, you must wait until delivery and then request a return.
A Return Merchandise Authorization (RMA) is required before returning any item.
Custom or Made-to-Order Items
Custom or made-to-order products are produced specifically for your order and cannot be canceled or refunded once production has begun, except in cases of defect or error.
Product pages will clearly indicate when an item is custom or made-to-order. If you are unsure whether an item falls into this category, please contact us before placing your order.
Returns & Refunds
Returns are subject to the following conditions:
- Customers have 30 days from delivery to request a return, unless otherwise stated on the product page or by manufacturer policy
- Items must be unused, uninstalled, and in original packaging
- An RMA is required prior to returning any item
Because we ship products directly from manufacturers, return eligibility may vary by brand. If a manufacturer does not permit returns on a specific product, we may be unable to accept the return. Please contact us if you would like confirmation of return eligibility for a specific item.
Fees & Shipping Costs
- Return shipping costs are the responsibility of the customer unless the item is defective or shipped in error
- Freight / LTL shipments may incur higher return shipping costs due to carrier fees
- Approved returns of non-defective items may be subject to a restocking fee of up to 25%
- Original outbound shipping charges are non-refundable
If you are exchanging an item rather than returning it outright, we may be able to assist with some costs depending on the product and manufacturer.
For full details, including freight deliveries, damage reporting requirements, and manufacturer-specific terms, please review our complete Return and Refund Policy
