NDS DrainageProducts & Systems
NDS (National Diversified Sales) is the value and availability leader in residential and light-commercial stormwater drainage. This hub maps the complete NDS line — catch basins, channel & trench drains, grates, pop-up emitters, StormChamber detention, and permeable pavers — with selection guidance and load-class explainers to help you specify the right product the first time.
Who Makes NDS Drainage Products?
National Diversified Sales, Inc. (NDS) was founded in 1972 and is based in Lindsay, California, where it grew into one of the largest U.S. suppliers of stormwater management, landscape, and flow-management components. Its sweet spot is yard and landscape drainage, driveways, patios, pool decks, and light-commercial work — sold through both homeowner channels (Home Depot, Lowe's, SiteOne) and professional contractor distribution. NDS wins on price, availability, and ease of installation rather than heavy-municipal specification.
Ownership update: In February 2026, NDS was acquired by Advanced Drainage Systems (ADS)in an all-cash transaction, joining the largest stormwater pipe and chamber manufacturer in North America. NDS had previously been owned by Norma Group SE (2014–2026). As an ADS company, the NDS surface and stormwater drainage line now sits alongside ADS's pipe and detention portfolio. The primary NDS manufacturer site is ndspro.com.
On stormwaterdrainage.com, we position NDS as the go-to choice when value, availability, and DIY-friendly installation matter. For high-load airport/port (Class E/F), architectural slot drains, or hygienic stainless specifications, compare ACO and Josam instead.
Shopping by product type rather than brand? Cross-reference NDS against our buyer-facing category pages for catch basins, trench drains, and drainage grates. NDS products are most at home on residential and light-commercial jobs, from driveways and pool decks to warehouse floors with Dura Slope and Pro Series.
The Complete NDS Catalog, by Category
From residential yard drainage to subsurface detention, every NDS category links to a detailed page with specs, grate options, and shop links. Cross-check current models, literature, and installation documents in the official NDS catalog.
Catch Basins
Point drainage for low spots, downspouts, and yard drains. Square basins in 9", 12", 18", and 24" plus the 6" round Spee-D basin — load ratings up to 575 psi.
- 9"–24" square + 6" round
- Up to 575 psi with encasement
- Atrium & flat grates
Channel & Trench Drains
Linear surface drainage for driveways, patios, and pool decks. Six families from the ultra-slim Micro to the pre-sloped, Class D Dura Slope.
- Micro / Slim / Mini / Spee-D
- Pro Series & Dura Slope
- Class A through Class D
Grates
158 NDS grate SKUs in one filterable catalog — by material, load class, ADA compliance, heel-proof rating, size, and color.
- Polymer, iron, steel, brass
- ADA & heel-proof filters
- Round, square & channel
Pop-Up Emitters
Spring-loaded daylight outlets for 3" and 4" pipe. Pop up under flow to disperse up to 56 GPM, then seal shut against debris and rodents.
- Fits 3" & 4" pipe
- Up to 56 GPM
- Models 420 / 421 / 430
StormChamber Systems
Open-bottom HDPE infiltration chambers for subsurface detention, retention, and conveyance. Available in 18" and 34" heights, stackable for added storage.
- 18" & 34" arch chambers
- Detention / retention / infiltration
- Stackable storage
Permeable Pavers
Recycled-plastic grass and gravel paver grids for overflow parking, fire lanes, and green driveways — H-20/H-25 rated with EZ Roll and Tufftrack systems.
- EZ Roll & Tufftrack
- H-20 / H-25 rated
- Snap-together, no tools
Valves
Flow-control and irrigation valves for water-management systems. Corrosion-resistant bodies for residential and light-commercial service.
- Flow control
- Corrosion resistant
- Irrigation adjacency
Valve, Meter & Telecom Boxes
Polymer and HDPE access enclosures — meter boxes, valve boxes, and telecom/pull boxes that protect buried utilities while staying serviceable.
- Meter & valve boxes
- Telecom / pull boxes
- Multiple sizes
How to Choose an NDS Channel Drain
NDS channel families form a ladder from slimmest/lightest to widest/heaviest. Match the width and load to your surface, then pick a grate.
| Family | Width | Load | Best For |
|---|---|---|---|
| Micro Channel | 1-1/4” | Class A (pedestrian) | Tight paver joints, patios |
| Slim Channel | 2-3/8” | Class A | Door thresholds, shallow runs |
| Mini Channel | 2-3/4” | Class B (light vehicular) | Pools, patios, tennis courts |
| Spee-D Channel | 4” | Class A | Most popular residential driveway/patio |
| Pro Series | 3” / 5” / 8” / 12” | Class A–D (by profile/grate) | Modular driveways, light commercial |
| Dura Slope | 6” | Class D (575 psi) | Pre-sloped loading docks, warehouses |
NDS Load Ratings Explained (EN 1433 & AASHTO)
Drainage load class is set by the grate material and the concrete encasement. NDS surface lines span Class A (pedestrian) to Class D (~575 psi) — equivalent to AASHTO H-20/HS-20 highway loading. Class E/F (airport/port) is outside the NDS range; for those, see ACO.
| EN 1433 Class | AASHTO / US Equivalent | Pressure | Typical Use | NDS Products |
|---|---|---|---|---|
| Class A (A15) | Pedestrian | ~1–160 psi | Foot traffic, bicycles, pool decks, patios | Micro, Slim, Spee-D channels; Spee-D basins |
| Class B (B125) | Light vehicular | ~61–175 psi | Driveways, cars, light parking | Mini Channel; square catch basins |
| Class C (C250) | H-10 | ~176–325 psi | Light commercial, occasional truck | Pro Series (deeper profiles) |
| Class D (D400) | H-20 / HS-20 | ~326–575 psi | Forklifts, loading docks, commercial driveways | Dura Slope; Pro Series w/ iron grate |
Need to filter grates by load class, ADA, or heel-proof rating? Browse the full NDS grate catalog.
NDS vs ACO vs Josam
Choosing a drainage brand comes down to load, material, and budget. Here is where NDS fits relative to the premium spec brands we also carry.
| NDS | ACO | Josam | |
|---|---|---|---|
| Core market | Residential & light commercial (DIY + pro) | Architectural, municipal, ports & airports | Institutional plumbing-spec drainage |
| Materials | Polymer, HDPE, PP; iron & steel grates | Polymer concrete, stainless, cast iron | Cast iron, stainless, epoxy-coated |
| Load classes | Up to Class D (575 psi) | Full A–F (incl. E/F airport/port) | Heavy cast-iron / stainless |
| Price position | Best value / volume | Premium | Premium spec |
| Install | Snap-together, DIY-friendly | Engineered, often spec’d | Engineered, plumber-installed |
Popular NDS Series: Spee-D, Pro Series & Dura Slope
Six series account for most NDS searches — and most of what buyers actually order. Each links to a dedicated page with dimensions, grate options, and shop links.
Spee-D Channel
4" channel · Class AThe channel most people mean when they search "NDS drain" — snap-together 4" sections for driveway aprons, patio edges, and garage thresholds.
Series detailsPro Series
3" / 5" / 8" / 12" · Class A–DThe modular workhorse: one system scales from residential driveways to light-commercial pavement by changing profile depth and grate material.
Series detailsDura Slope
6" pre-sloped · Class D (575 psi)Interlocking pre-sloped channel for loading docks, warehouses, and wash-down bays — the built-in fall replaces on-site grading.
Series detailsSpee-D Basin
6" round catch basinThe compact round basin that anchors the classic NDS yard-drainage layout: basin at the low spot, buried pipe, pop-up emitter at daylight.
Series detailsPop-Up Emitters (420 / 421 / 430)
Fits 3" & 4" pipe · up to 56 GPMSpring-loaded outlets that open under flow to discharge roof and yard water, then seal shut against debris and rodents.
Series detailsStormChamber
18" & 34" arch chambersOpen-bottom HDPE chambers for subsurface detention and infiltration when code requires stormwater to stay on the lot.
Series detailsBuilt for Performance.Priced for Value.
Value & Availability
NDS is the volume leader in residential and light-commercial drainage — stocked at big-box stores, distributors, and online, so projects rarely wait on parts.
Proven Durability
UV-stabilized polymer, HDPE, and polypropylene bodies resist corrosion, chemicals, and cracking, with iron and steel grates for traffic up to Class D.
DIY & Contractor Friendly
Snap-together channels, locking outlets, and pre-sloped sections cut install time for homeowners and crews alike — no mortar, no special tools.
Big-Box Shelf vs. NDS Distributor: What You Actually Get
Home centers stock the fastest-moving NDS parts — a Spee-D Channel section, a 9" or 12" basin, a pop-up emitter. The rest of the catalog is distributor territory: iron and steel grate upgrades for vehicular traffic, pre-sloped Dura Slope runs, 18" and 24" basins, StormChamber, and the adapters and end caps that tie a run together.
Ordering through a distributor also means the job ships as a system — channel bodies, outlets, end caps, and grates matched to one load class — instead of piecing together whatever is on the shelf, plus quantity pricing when the order runs to pallets rather than pieces.
DrainageConnect, our affiliated online store, carries the NDS lines mapped on this page; for spec-grade or bulk jobs, our quote desk prices the complete bill of materials and sanity-checks the load class before concrete is poured.
What distributor ordering adds
- Full-catalog access: iron & steel grates, Dura Slope, StormChamber, 18"–24" basins
- Complete-system orders — channels, outlets, end caps & matched grates together
- Quantity and project pricing on pallet-scale orders
- Load-class checks against the EN 1433 / AASHTO table above, before you pour
NDS Drainage FAQs
Common questions about NDS products, ownership, load ratings, and where to buy
NDS (National Diversified Sales) was acquired by Advanced Drainage Systems (ADS) in an all-cash transaction that closed in February 2026, making NDS an ADS company. NDS had previously been owned by Norma Group SE from 2014 until 2026. The brand was founded in 1972 in California and the primary manufacturer website is ndspro.com.
NDS manufactures a full surface and stormwater drainage line: catch basins (square 9"–24" and round Spee-D), channel and trench drains (Micro, Slim, Mini, Spee-D, Pro Series, and Dura Slope), drainage grates in polymer, iron, and steel, pop-up emitters, StormChamber subsurface detention systems, permeable pavers, and utility valve/meter/telecom boxes.
NDS publishes its official catalogs, spec sheets, and installation guides on the manufacturer site, ndspro.com. For a shoppable version, this page organizes the full NDS line by category — catch basins, channel drains, grates, pop-up emitters, StormChamber, permeable pavers, and valve/meter/telecom boxes — and each category page links to the matching products on DrainageConnect.
NDS surface drainage spans EN 1433 Class A (pedestrian, ~1–160 psi) through Class D (~575 psi), which corresponds to AASHTO H-20/HS-20 highway loading. Pedestrian channels like Micro and Slim are Class A; Mini and square catch basins reach Class B; Pro Series and the pre-sloped Dura Slope reach Class C–D with the right grate and concrete encasement. Class E/F (airport/port) is outside the NDS range.
Yes. NDS is the value and availability leader for residential and light-commercial drainage. Its snap-together channels, catch basins, and pop-up emitters are designed for DIY and contractor installation on driveways, patios, pool decks, and yard drainage, and are stocked at big-box stores, distributors, and online.
NDS focuses on best-value residential and light-commercial drainage with polymer and HDPE products up to Class D. ACO specializes in premium polymer-concrete, stainless, and architectural slot drains with full A–F load classes including airport/port grades. Josam supplies institutional plumbing-spec cast-iron and stainless drainage. Choose NDS for value and availability; ACO or Josam for heavy-load or specification-driven projects.
You can shop the full NDS catalog on DrainageConnect, our affiliated online store, with deep links to each product family from the category pages on this site. For bulk or spec-grade orders, request a quote and our drainage specialists will size the system and provide pricing.
NDS sells through two channels: home centers, which stock the fastest-moving residential parts, and drainage distributors, which carry the full catalog — iron and steel grate upgrades, pre-sloped Dura Slope, StormChamber, and the larger traffic-rated basins. DrainageConnect, our affiliated online store, carries the NDS lines covered in this guide, and our quote desk prices bulk and spec-grade orders.
Ready to Specify NDS Products?
Shop the full NDS catalog on DrainageConnect, or get a fast quote and let our drainage specialists size the right system for your project.