Millbach Fabrication LLC

Products — Spillway Grates, Trash Racks & Storm Sewer Fabrication

Spillway Water Grates

Our flagship product: fabricated steel grates engineered to sit over spillway openings and manage water flow while blocking debris. Each grate is sized and configured to match your site's specific conditions—opening geometry, anticipated debris load, and flow rate—ensuring optimal performance without unwanted blockage.

Heavy-gauge steel construction, welded frames, and corrosion-resistant finishes keep these grates performing year after year in demanding storm events. Built to code and backed by our expertise in municipal water infrastructure.

Trash Racks & Debris Screens

Protect your storm water intakes and spillways from clogging with our heavy-duty trash racks and debris screens. These components intercept leaves, branches, sediment, and other debris before they reach critical flow points—a critical line of defense in erosion-prone or vegetated watersheds.

Welded steel construction with aperture sizing matched to your intake diameter and expected debris. We design for both routine maintenance access and seasonal high-flow events.

Storm Sewer Grates

Municipal and contractor drainage systems demand grates that handle vehicle loads, resist shifting, and maintain clear flow under pressure. Our storm sewer grates are engineered for load capacity and designed with flow-through geometry that keeps erosion-prone sites draining reliably.

Specified for harsh conditions: repeated wetting, freeze-thaw cycles, and the abrasive slurry of storm events. Each grate is fabricated to your local code and site conditions.

Erosion Control Accessories

Complete your fabrication package with our mounting frames, anchors, reinforcement straps, and retention hardware. These components pair with grates and racks to create a cohesive, durable storm water system.

Everything is welded, bolted, or fastened to withstand the movement and stress that comes with real water events. No single-use fasteners or field improvisation needed.

How to order

Most of our work is custom-sized to your project. Here's how we turn your specs into steel.

Share your details: Submit your project requirements—opening size, debris load, site conditions, local code references, and timeline—via our contact form or a quick call.

We design and quote: Our team engineers the right grate or rack for your conditions, then provides a quote with lead time and shipping details.

Fabrication and delivery: Once approved, we build to spec and ship to your site. Installation guidance is included.

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