Hydro-Shield Advance

Handle larger flows with compact structures using adaptable treatment module heights designed to fit diverse site conditions. Backed by NJCAT 2021 protocol approval, this advanced hydrodynamic separator offers the market’s highest verified treatment flow rate for unmatched stormwater management.

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Overview

ADVANCED STORMWATER TREATMENT

Hydro-Shield™ Advance is a cutting-edge hydrodynamic separator designed to capture stormwater pollutants at the industry’s highest verified flow rates, with NJCAT 2021 protocol approval.

Engineered for flexibility, it adapts to shallow, restricted conditions and accommodates large pipe diameters—up to 18” for a 4’ unit and 24” for a 6’ unit. With multiple diameters and depth profiles, it delivers high-performance treatment in compact spaces, reducing installation costs and meeting regulatory requirements.

Optimized for superior removal of total suspended solids (TSS) and other pollutants, Hydro-Shield™ Advance combines proven engineering with an intuitive online design tool for quick site-specific configuration.

Backed by 40+ years of expertise, it’s crafted by the creators of Downstream Defender® and First Defense®.

Features & Benefits

HIGH PERFORMANCE, LOW COMPLEXITY

Unmatched Stormwater Treatment Performance

  • Achieve market-leading treatment flow rates, certified under NJCAT 2021 protocol (53.4 gpm/sf).
  • Remove pollutants like Total Suspended Solids (TSS) with advanced lamella plate technology for exceptional efficiency.

Flexible Designs for Any Site Condition

  • Customize with three module heights (Shallow, Standard, Plus) to meet specific site requirements.
  • Handle larger flows with ease—compatible with pipe diameters of up to 18” (4’ unit) and 24” (6’ unit).
  • Compact outlet modules with integrated peak flow bypass fit small footprints and restricted spaces.

Cost-Saving Solutions for Contractors and Engineers

  • High flow rates reduce the need for multiple treatment units, saving time and money on installation.
  • Adaptable depths can eliminate expensive excavation or blasting in shallow or constrained sites.

Streamlined Design with Powerful Tools

  • Simplify project planning with our online design tool—input site-specific details, flow rates, and get instant specifier drawings.
  • Designed for ease, so you can configure treatment systems quickly and efficiently.

Backed by Decades of Engineering Excellence

  • Built on 40+ years of expertise, developed by the same experts behind Downstream Defender® and First Defense®.
  • Trusted by engineers and contractors nationwide for reliable and compliant stormwater management solutions.

Specs & Downloads