Best Catch Basin For 6 Inch Corrugated Pipe: 7 Options Compared

#1 · Best Overall

1. Polylok 12×12 Catch Basin

• Dimensions: 12"W x 12"H
• Material: Plastic

Best for: For 6-inch pipe in landscaping.

Why it ranks #1: Its seals accept corrugated pipe, and the listing specifically says this 12-by-12-inch basin now fits 6-inch pipe; it also has two precut holes.

This 12-by-12-inch Polylok kit lists 6-inch pipe compatibility and comes with a green grate, making it a square collection point for landscaping drainage where that pipe size matters. Its two precut inlet and outlet holes provide a ready starting layout for connecting the basin to a drain run.

The two precut openings reduce the need to create the initial inlet and outlet layout, and the listed seals accept 2-, 3-, and 4-inch pipe, including corrugated pipe. The product also states that the 12-by-12-inch basin fits 6-inch pipe, extending its listed range for a larger connection. A green grate finishes the surface, while the plastic basin is specified for normal abuse in landscaping applications.

Skip it if you need four outlet positions for a custom layout; the Uni-Green 12×12 Catch Basin Kit has four pipe outlet areas.

Choose this Polylok kit for a square landscaping basin with a green grate, two precut openings, and listed 6-inch pipe fit. Its two-hole layout suits a simpler run rather than a multi-branch connection scheme.

Listed on Amazon as: Polylok 12"x12" Square Catch Basin Kit (Green Grate)

#2 · Flexible Inlet Height

2. Polylok 20-inch Basin Kit

• Material: Plastic

Best for: For adaptable 6-inch connections.

Why it ranks #2: The 20-inch basin accepts 6-inch pipe with a separate 6-inch seal, and its pipe can be installed at various heights.

Its six-hole layout and adjustable pipe heights let you place connections where the drainage run needs them, while the basin accepts 6-inch pipe when paired with a separately sold 6-inch seal. The 20-inch round body also works with Polylok risers and solid covers for a compatible installation.

The basin accepts 2-, 3-, and 4-inch pipe directly, giving smaller lines several connection options; 6-inch pipe requires the separate 6-inch seal. Pipe can enter at various heights, which helps align the basin with an existing run. Two seals are included, and compatibility with Polylok 20-inch risers and solid covers supports later height adjustment or closure using matching components. Its plastic construction weighs 11.84 pounds, a practical consideration when positioning the basin.

Skip it if you need 6-inch pipe to connect without a separate seal; the Polylok 12×12 Square Catch Basin Kit lists 6-inch pipe compatibility.

Choose this Polylok kit for a drainage layout needing adjustable connection heights and future compatibility with 20-inch Polylok risers or covers. For 6-inch pipe, plan to obtain the separate seal; the basin itself is 20 inches round.

Listed on Amazon as: Polylok 20" Round Catch Basin Kit – 6 Hole

#3 · Basket Included

3. Uni-Green 12×12 Basin Kit

• Dimensions: 12"W x 12"H
• Material: Metal Or Plastic

Best for: For multi-line landscape drainage.

Why it ranks #3: Its four outlets include connection areas for 6-inch pipe, while the kit also supplies a debris basket and grating for collection and access.

Four outlet areas and knockouts for 2-, 3-, 4-, and 6-inch pipe let this 12-by-12-inch basin support a custom multi-line layout. Its removable debris basket and grating help collect sediment and debris while making routine cleaning more accessible in lawns, landscaped areas, or driveways.

The four pipe outlet areas give you options for building a patio or landscape drainage system, with connection areas listed for 2-, 3-, 4-, and 6-inch pipe. Knockout design supports pipe connections, while the 12-by-12-inch insert basin collects standing water and directs it toward a drain. A debris basket gathers sediment and debris, and the grating and removable feature support access for cleaning. The widened rim provides a broader edge around the basin.

Skip it if you need a compact 6-inch round collection point; the Teal Turtle Double Outlet Yard Drainage Basin has a 6-inch round body.

Choose the Uni-Green kit for a larger landscape or patio drainage layout that needs multiple outlets and accessible debris collection. Allow space for its 12-by-12-inch footprint and plan the pipe connections around its knockout design.

Listed on Amazon as: Catch Basin Kit 12X12 inch with Debris Basket and Grating | Square Storm Drain,Catch Basin for Drainage with 4 Outlet,Fit for 4 Size(2, 3, 4 and 6) inch Pipe,for Lawns, Landscaped Areas

#4 · Heavy-Flow Option

4. NDS 1200 Square Basin

• Dimensions: 12"W x 12"H
• Material: Polypropylene (PP)

Best for: For heavy-flow, larger-pipe runs.

Why it ranks #4: The 12-inch polypropylene basin connects to 6-inch drain pipe and is described as managing heavy water flows, though corrugated compatibility is not specified.

This 12-inch square NDS basin is specified to manage heavy water flows and connect to drain pipes from 3 through 8 inches, including 6-inch pipe. That combination suits larger drainage runs where a smaller basin’s listed pipe range or flow application would not match the job.

The basin’s stated heavy-flow capability makes it a candidate for collection points handling substantial runoff, while its connections accommodate 3-, 4-, 6-, and 8-inch drain pipes. That range includes 6-inch corrugated pipe projects where the pipe size is the key constraint. The 12-by-12-inch polypropylene body provides a square collection format, and its two openings support pipe routing. The listed package components identify the basin itself, so plan other surface components separately if needed.

Skip it if you need a grate included with the basin; the NDS 900BKITRTL1PK includes a plastic drain grate.

Select the NDS 1200 for a heavy-flow collection point using a listed 6-inch pipe connection or other listed larger pipe sizes. Its specifications list the basin, not a grate, so account for the surface finish separately.

Listed on Amazon as: NDS 1200 Square Catch Basin Drain with 2 Openings, Connect to 3 Inch, 4 Inch, 6 Inch & 8 Inch Drain Pipes, Manages Heavy Water Flows, 12 Inch, Plastic, Black

#5

5. NDS 900BKITRTL1PK

• Dimensions: 9.38 x 9.38 x 10.06 in

Best for: For moderate-flow surface runoff.

Why it ranks #5: This 9-inch kit includes two outlet adapters, a plug, and a grate, but its listed details do not confirm a 6-inch pipe connection.

This 9-inch square kit arrives with a two-opening basin, two outlet adapters, a plug, and a plastic drain grate, so the core collection and connection parts come together. It handles moderate stormwater flows from lawns, patios, walkways, landscaped areas, and under downspouts, routing water toward a discharge point.

The two side openings and included outlet adapters provide connection points for drain pipe, while the plug closes an opening that is not used. A cutout guide for a bottom opening adds another installation option, and the square plastic grate covers the basin at the surface. The kit is intended for moderate stormwater flows, with the connected pipe carrying water downstream to a discharge point. Its listed dimensions are about 9.38 by 9.38 by 10.06 inches.

Skip it if you need a basin specifically listed for heavy water flows; the NDS 1200 Square Catch Basin Drain is specified for heavy flows.

Choose the NDS 900BKITRTL1PK for moderate surface runoff where an included grate, adapters, and plug simplify assembling a collection point. Its 9-inch format and moderate-flow application may not suit larger or heavy-flow drainage needs.

Listed on Amazon as: NDS 900BKITRTL1PK Square Kit with 2-Opening Catch Basin, 2 Adapters, 1 Outlet Plug, and 1 Plastic Drain Grate, 9-Inch, for Lawns, Landscaped Areas, Black

#6

6. Teal Turtle Double-Outlet Basin

Best for: For branching yard drainage runs.

Why it ranks #6: Its two outlets offer straight-through or split routing, but they fit 3- or 4-inch pipe rather than the 6-inch corrugated pipe in the search.

Two outlets give this 6-inch round basin a routing choice a single-outlet unit lacks: water can continue straight through a run or feed two separate lines. It collects runoff at low spots in lawns, garden beds, or beside walkways and connects to several common 3- and 4-inch pipe types.

The double-outlet arrangement makes this basin useful where a collection point needs to continue a drainage run or split flow into two lines. Both outlets fit 3- and 4-inch sewer and drain pipe, 3- and 4-inch corrugated pipe, or 4-inch DWV pipe. Its compact 6-inch round body fits a small collection point, while the listed connections help tie it into common yard drainage materials. The single unit weighs 1.4 pounds.

Skip it if you need a 6-inch pipe connection; the Uni-Green Catch Basin Kit lists a 6-inch pipe connection area.

This Teal Turtle basin suits a compact low point where runoff must pass through or branch into two lines using listed 3- or 4-inch pipe. Choose another option if your run requires a listed 6-inch pipe connection.

Listed on Amazon as: Teal Turtle 6 Inch Round Catch Basin, Double Outlet Yard Drainage Basin, Outlets Fit 3 Inch or 4 Inch Sewer and Drain Pipe, Corrugated Pipe, or 4 Inch DWV Pipe, Black

#7

7. Teal Turtle Single-Outlet Basin

Best for: Two-point single-outlet yard drains.

Why it ranks #7: The 6-inch figure describes the round basin diameter, while its single outlet fits only 3- or 4-inch corrugated pipe.

The two-pack supplies a 6-inch round, single-outlet basin at each collection point, letting you address pooled runoff in separate lawn or planting-bed low spots. Each outlet accepts 3- or 4-inch corrugated pipe, sewer and drain pipe, or 4-inch DWV pipe for a straightforward one-direction drainage route.

Each basin’s single outlet sends collected runoff in one direction, a simple arrangement for a low spot connected to a single buried drain line. Listed compatibility covers 3- and 4-inch corrugated pipe, 3- and 4-inch sewer and drain pipe, and 4-inch DWV pipe. The 6-inch round body can suit compact collection points, while the two supplied units extend that approach to a second location. Each basin weighs 1.4 pounds.

Skip it if you need a 6-inch pipe connection; the Polylok 12×12 Square Catch Basin Kit lists 6-inch pipe compatibility.

Pick this two-pack for separate low spots that can each drain through one line using listed 3- or 4-inch pipe. Its single-outlet layout does not provide a pass-through route, and 6-inch pipe is not listed as compatible.

Listed on Amazon as: Teal Turtle Catch Basin, 6 Inch Round Single Outlet Yard Drainage Basin, Fits 3 Inch and 4 Inch Sewer and Drain Pipe, Corrugated Pipe, and 4 Inch DWV Pipe, Black, 2 Pack