
CompanY Information
FOX Environmental Systems USA
Fox Environmental Systems partners with Delco Sales and ParkUSA to deliver certified diversion systems across the West, Central, and Eastern United States.
Fox Environmental Systems USA – Certified Stormwater & Trade Waste Solutions Across the United States
ParkUSA
Park USA, a Northwest Pipe Company, with a background in creating innovative and reliable products that cater to the unique needs of our clients.

In addition to their three legacy plants in Houston, San Antonio, and Texas, ParkUSA now manufactures precast concrete vaults and fabricated steel housings with preassembled components at other Northwest Pipe Company facilities across the Nation.
Park work with engineers and specifiers to develop and manufacture environmental products that are built to project specifications with pre-assembled components.
Delco Sales
Fox Environmental Systems are represented by Delco Sales in California, Southern Nevada & Hawaiian Islands

Fox Environmental Systems are represented by Delco Sales with a sales team of over 40 staff. The team at Delco Sales will provide a speedy response and solutions to all hydraulic engineering and customer inquiries.
Delco represents California, Southern Nevada & Hawaiian Islands in the waterworks, heating and plumbing, specifications, residential and commercial markets.
Why Choose Fox Diversion Systems?
In the US, over 5,000 Fox drain/Fox valve systems have been installed across the country, including in all Los Angeles school yards, all 62 Dallas fire stations and multiple domestic and international US military bases.
The applications of Fox’s systems are endless. Whether you need a premium wash down area, have a storm water run-off problem or other situation causing a pollution problem, Fox Environmental Systems are the ‘pollution solution’ for premium storm water protection.
The Fox range of Diversion Systems include Demand Driven Wash down, First Flush System, Spill Control, and Constant Monitoring and even custom designed systems to meet your specific pollution problem.
Fox Environmental Systems Drain/ First Flush System Installations include:
- All equipment wash down areas
- Gas stations
- Any fuelling area
- Wineries
- Parking lots
- Equipment storage areas
- Auto recycling facilities
- Amusement parks
- Airports for de-icing
- Beach showers
- Hospital emergency
- Chemical exposure
- Military wash racks
- Wash areas for sea containers
- Marina boat wash and slipways
- All types of vehicle wash downs
- Fire trucks and equipment
- Police stations
- Parks and recreation
- Lunch areas
- Loading docks
- Trash bins and even high-rise roof-top dog parks!
Iapmo Certified
For Installations in California all Fox Environmental Systems Valve/Fox Environmental Drain and First Flush Systems are IAPMO certified(The International Association of Plumbing and Mechanical Officials IGC 234- 2106).
Through our Distributors in California “Delco Sales”, we are also members and strong supporters of ASPE (The American Society of Plumbing Engineers). Our Systems also have LA Building approval.
IAPMO Document
Below is a list of IAPMO and USA Diversion System documents.
Diversion Systems
IAPMO Certificate of Listing 2024 – 2029
Download Spec Sheet (PDF) IAPMO CMS600 Spec Drawing
IAPMO DD400 Spec Drawing
IAPMO DD600-4 inch Spec Drawing
IAPMO FF600 Spec Drawing
IAPMO SCS600 Spec Drawing
USA DD600 Diversion System Fact Sheet
USA FF600 Diversion System Fact Sheet
USA SCS600 Diversion System Fact Sheet



