How to Choose the Right Full Capture Device for Your California Project

If you manage storm water infrastructure in California, you already know the 2030 full trash capture deadline is not a suggestion — it is a regulatory requirement. But knowing you need a full capture device and knowing how to choose a full capture device that actually performs in the field are two very different things. The wrong choice can mean repeated maintenance headaches, failed inspections, and costs that add up fast. The right choice protects your waterways, satisfies regulators, and keeps your budget predictable for years to come.

At SWIMS, we have spent 26+ years installing and maintaining trash capture systems across California, not as a manufacturer pushing a single product but as an installer and service provider who has worked with multiple device types across hundreds of sites. That field experience gives us a perspective that spec sheets alone cannot provide. Here is what you should actually evaluate when deciding how to choose a full capture device for your project.

Start with Certification: Is the Device on the State Water Board’s List?

This is the first question, and the one that eliminates most options immediately. In California, a full trash capture device must be certified by the California State Water Resources Control Board. If the device you are considering is not on the Board’s approved list, it does not matter how good the sales pitch is. It will not satisfy your permit requirements.

The California State Water Board maintains a list of certified full capture systems that have been tested and verified to meet trash capture performance standards. Before you schedule a site visit, before you compare pricing, before you talk to a single vendor. Confirm the device carries state certification.

This is not just a compliance checkbox. Certification means the device has been independently tested to capture trash particles 5mm and larger, which is the regulatory threshold in California. Devices without this certification may reduce visible debris, but they will not meet the standard your Regional Water Quality Control Board requires, and that gap will show up during inspections.

It is also worth understanding the difference between “full capture” and “partial capture” designations. A full capture device meets the state’s performance standard on its own, with no additional treatment or supplemental BMPs required. Partial capture devices, by contrast, may need to be paired with other controls to achieve compliance, which adds complexity and ongoing cost. If your MS4 permit requires full trash capture, a partial capture device, no matter how affordable upfront, will not get you there without additional investment.

SWIMS’ proprietary StormTek™ Connector Pipe Screen has been California State Water Board-certified since 2006, one of the longest-standing certifications in the state. That track record matters when you are choosing a device you need to depend on for a decade or more.

Match the Device to Your California Catch Basin Configuration

Not every certified full capture device fits every catch basin. This is where many projects run into trouble: a device gets specified based on general performance data, only to arrive on site and not fit the existing infrastructure.

California catch basins come in a wide range of configurations. Pipe diameters vary. Inlet orientations differ. Some basins have connectors at awkward angles or limited clearance for installation. A full trash capture system that works perfectly in a standard 18-inch round connector may be completely wrong for an oval pipe or a basin with an offset inlet.

Before you select a device, you need a thorough site assessment that accounts for:

• Pipe diameter and shape — round, oval, and rectangular configurations all require different sizing
• Connector orientation — vertical, horizontal, and angled inlets each present unique installation considerations
• Basin depth and clearance — some devices require more vertical space than others for proper installation and removal
• Flow capacity — the device must handle your site’s peak flow without causing backups or flooding during storm events
• Debris load — high-debris areas like commercial corridors or locations near vegetation may need larger capacity screens

This is one of the reasons why working with an experienced installer, not just a distributor, matters. A company that has installed devices across hundreds of California sites can identify configuration issues before they become costly change orders. At SWIMS, every project starts with a field assessment because we have learned that no two catch basins are exactly alike. Understanding how to choose a full capture device starts with understanding the infrastructure it will serve.

Evaluate Long-Term Maintenance Requirements and Costs in California

The purchase price of a full capture device is only the beginning. The real cost is what it takes to maintain that device over its lifetime, and this is where many property managers and municipal teams get surprised.

Every certified full capture device that California municipalities and property managers install requires regular maintenance. Trash accumulates. Sediment builds up. If the device is not cleaned on schedule, it restricts flow, which can cause flooding, property damage, and compliance violations. The question is not whether you will need maintenance. The question is how difficult and expensive that maintenance will be.

When evaluating long-term maintenance, ask these questions:

• Does the device require special tools for removal and cleaning? Some systems need cranes, vacuum trucks, or proprietary tools that add cost to every service visit.
• Can your in-house crew handle routine maintenance? For municipalities, this is a major consideration. A device your public works team can service without specialized equipment saves significant labor cost over time.
• How frequently does the device need cleaning? This depends on debris load, but some designs clog faster than others due to screen geometry and flow patterns.
• What does a typical maintenance visit involve? Time on site, equipment required, disposal of captured material, and documentation all factor into cost.

The StormTek™ Connector Pipe Screen was designed with maintenance as a priority, not an afterthought. Its stainless steel construction resists corrosion, and the tool-free removal design means a maintenance technician can pull the screen from its frame, clear it, and reinstall it without specialized equipment. For municipal crews managing hundreds of basins, that simplicity translates directly to lower labor costs and faster service across your entire network.

For a closer look at the specifications and maintenance design behind a full capture device built for long-term California performance, explore the StormTek™ Connector Pipe Screen page. It covers the key details, useful whether you are evaluating StormTek™ or comparing it against other full capture device options on the market. Understanding how to choose a full capture device means evaluating maintenance costs over years, not just purchase price at the start.

Ask About Warranty Coverage and What It Actually Includes

A warranty sounds reassuring — until you read the fine print. Not all full capture device warranties are created equal, and understanding what is actually covered can save you from expensive surprises down the road.

Here is what to look for when comparing warranty terms:

• Material and structural coverage: Does the warranty cover corrosion, weld failure, and frame integrity? Devices exposed to storm water runoff take a beating from chemicals, sediment, and debris. Stainless steel construction, like what SWIMS uses in the StormTek™ device, resists corrosion far better than galvanized or coated alternatives.
• Performance guarantee: Does the manufacturer warrant that the device will continue to meet state capture certification standards for the duration of the warranty? A structural warranty without a performance guarantee is incomplete.
• Exclusions and conditions: Many warranties require that maintenance be performed on a specific schedule and documented. If you miss a cleaning cycle, the warranty may be void. Make sure you understand these requirements before purchase.
• Replacement terms: If a device fails, does the warranty cover replacement cost, installation labor, or both? A materials-only warranty leaves you paying for removal and reinstallation out of pocket.

Ask the vendor to walk you through the warranty document, not the sales summary, but the actual terms. If they cannot explain the exclusions clearly, that tells you something about how they handle claims. Knowing how to choose a full capture device means asking the hard warranty questions before signing a purchase order.

One more thing to consider: the longevity of the manufacturer itself. A warranty is only as good as the company standing behind it. A device from a startup that may not exist in five years carries more risk than one from an established provider with a proven field history. SWIMS has been manufacturing and installing the StormTek™ device since 2007, and as part of the Apex Companies family since 2024, clients have the added assurance of institutional backing behind every product and warranty commitment.

Consider the Installer’s Track Record, Not Just the Product

Here is something most trash capture device selection guides will not tell you: the installer matters as much as the device. A California Water Board-approved device installed incorrectly will fail just as surely as an uncertified one.

When you are evaluating who will install and maintain your full trash capture system, look beyond the product brochure. Ask about the installer’s experience with your specific type of project: municipal, commercial, industrial, or residential. Ask how many devices they have installed in California. Ask for references from sites with similar basin configurations.

The difference between a distributor and an experienced installer shows up in three places:

• Site assessment accuracy — An experienced installer identifies configuration issues, access limitations, and flow concerns during the initial assessment, before you commit to purchasing.
• Installation quality — Proper fit, secure mounting, and correct orientation affect long-term performance. Devices that shift or settle after installation compromise capture rates and create maintenance problems.
• Ongoing service relationship — The 2030 deadline is not the end of your compliance obligation. It is the beginning. You need a partner who will be there for maintenance, inspections, and support for years after the install, not a vendor who disappears after the invoice clears.

SWIMS has been installing and maintaining full capture devices across California since 2007. Our team includes CASQA-certified professionals and confined space technicians, the credentials that matter when working in catch basins and storm water infrastructure. We are not a national distributor learning California’s requirements on the fly. We are a California company with offices in Brentwood and San Juan Capistrano that built its reputation doing this work, site by site, for more than two decades.

How to Choose a Full Capture Device: Request a Site Assessment

Choosing the right full capture device starts with understanding your site — not with a catalog. Every catch basin has its own configuration, debris load, flow pattern, and access considerations. A proper site assessment addresses all of these factors before you spend anything on equipment.

Here is what a typical SWIMS site assessment covers:

• Catch basin inventory and configuration documentation
• Pipe diameter and connector measurements
• Flow capacity analysis for storm event conditions
• Debris load evaluation based on surrounding land use
• Access review for installation equipment and ongoing maintenance
• Recommendation on device type, sizing, and installation approach

Whether you are a municipality working toward the 2030 full trash capture deadline, a property manager addressing compliance requirements, or a facilities team evaluating options for the first time, the assessment is where smart decisions begin. There is no cost for the initial conversation, and there is no obligation. We would rather help you make an informed decision, even if that means recommending a different approach, than sell you a device that does not fit your site.

Many of the organizations we work with today started with a single site assessment. The City of Jurupa Valley, for example, began with an initial evaluation and has since planned for 700+ StormTek™ installations across their storm water network. That kind of relationship starts with getting the basics right: measuring the basins, understanding the flow, and recommending the device that actually fits.

If you are wondering what should I look for when choosing a full trash capture device in California, the answer starts with the right questions and a site visit from a team that has done this work hundreds of times. SWIMS has been helping California organizations navigate storm water compliance since 1998, and our StormTek™ device has been state-certified and field-proven since 2006.

Frequently Asked Questions About Choosing a Full Capture Device in California