Atlantic
FastFalls SP1900
Best spillway for DIYers building durable, leak-free backyard waterfalls.
The Atlantic FastFalls SP1900 is a robust spillway box designed to initiate pond-free streams and waterfalls. It simplifies plumbing at the waterfall's top with an innovative rear liner attachment to prevent leaks. Its crush-proof construction and internal baffles support heavy rock and stone loads. The reinforced spillway lip secures landscaping materials, allowing seamless integration into your environment. This model offers a 19-inch waterfall width and supports a maximum flow rate of 4,000 GPH, ensuring a beautiful water feature start.
$285.99
Owner Satisfaction
4.6
/ 5
Category Rank
519
/ 2590
#519 in Fountains & Waterfalls
Price vs Category Average
-87%
Below average
Model
1900
/ SP
Who it's for
- DIY enthusiasts wanting a clean, hidden look for pondless systems
- Homeowners seeking a high-end, professional aesthetic for their water feature
- Landscapers prioritizing long-term reliability and heavy-duty construction
Who should skip it
- Novice installers lacking experience with precise leveling and masonry
- Budget-conscious buyers planning smaller or entry-level garden projects
- Eco-conscious users looking to minimize ongoing energy consumption
Performance breakdown
Structural Integrity
Crush-proof construction handles heavy stone loads with absolute confidence.
Leak Prevention
Rear liner attachment design effectively eliminates common waterfall plumbing failure points.
Flow Efficiency
Internal baffles ensure smooth, consistent water distribution across the spillway.
Installation Ease
Simplified plumbing connections make setup straightforward for DIY pond builders.
Landscape Integration
Reinforced lip design allows for seamless blending with natural rockwork.
Flow Capacity
Supports high-volume pumps up to 4,000 GPH for dramatic water effects.
Key Specs
Model
SP1900
Waterfall Width
19 inches
Inlet Size
2 inches FIPT
Maximum Pump Flow
4,000 gph
Dimensions
20.5 inches W x 17 inches D x 10.25 inches H
Warranty
Lifetime
Height
10.25 inches
Width
20.5 inches
Features
- Diffuses water flow for stream and waterfall beginnings
- Easy plumbing at waterfall's top
- Leak-free installation with rear liner attachment
- Crush-proof design supports heavy rocks
- Reinforced lip for landscaping materials
- Allows for planting on spillway lip
- Includes installation kit and adapters
What customers say
The FastFalls SP1900 earns high marks primarily for its robust quality and reliable operation. Consumers appreciate the heavy duty construction, confirming its durability and justifying the price point as a long term investment. Installation is surprisingly simple, allowing users to achieve a professional looking, consistent sheet of water without unnecessary complexity. It is a highly dependable component for serious water feature projects.
Know before you buy
The SP1900 is designed to handle a maximum flow rate of 4,000 gallons per hour. Exceeding this flow may cause the spillway to overflow or create uneven water distribution.
Yes, the unit features a crush-proof construction specifically engineered to support the weight of heavy rocks and stones. This allows you to camouflage the spillway box seamlessly into your landscape.
No, the pump is not included with this model. You will need to purchase a pump separately that is compatible with your desired flow rate, up to the 4,000 GPH limit.
The rear liner attachment creates a secure, watertight seal where the pond liner meets the spillway box. This design eliminates the need for messy silicone or unreliable seals, significantly reducing the risk of water loss at the connection point.
Yes, the reinforced spillway lip is designed to hold landscaping materials, including soil and plants. This allows you to integrate the spillway naturally into your garden's aesthetic.
The SP1900 features a 2-inch FIPT inlet. It comes with the necessary installation kit and adapters to simplify the plumbing process at the top of your waterfall.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$286