Nature-Based Solutions
for Water Treatment
Why Choose SWIG
SWIG designs and deploys innovative pollutant removal systems that restore and protect nutrient-impaired waters from excess nitrogen, phosphorus, and other stressors. Our small-footprint, nature-based systems are custom-engineered for each project to ensure reliable, consistent removal of pollutants at low installation and maintenance costs.
Our Products

Media
SWIG's engineered granular media blends remove phosphorus, nitrogen, color, and contaminants of emerging concern (CECs) from water, and can be selected or combined based on the target parameters and treatment objectives of each project.

Field System
A passive, scalable, nature-based water treatment platform that processes large volumes of water to remove phosphorus, nitrogen, and color at up to 90% less land area than a conventional wetland — fully automated and drought-tolerant.

Module
A prefabricated, skid-mounted steel treatment unit that delivers SWIG's proven media performance for phosphorus and nutrient removal in a compact, rapidly deployable format for urban sites, temporary applications, and locations where in-ground construction isn't feasible.

Floating Module
A marine-grade, on-water treatment system that pumps water from stormwater ponds and lakes directly through SWIG's engineered media and returns it treated, requiring no land area and no reliance on plant roots for nutrient removal.

Stormwater BMPs
Nature-based bioswales and raingardens filled with SWIG's engineered media that simultaneously remove phosphorus, nitrogen, metals, TSS, and bacteria from stormwater runoff in a single passive system, designed to comply with Florida's new Stormwater Rule.

RE-Treat
A comprehensive stormwater pond treatment solution that integrates SWIG's PES+N media with existing pond infrastructure to achieve greater than 90% phosphorus and 80% nitrogen removal, treating storm flows and recirculating pond water year-round without the need for larger ponds.
Nature-based Passive Media and Systems
SWIG manufactures a variety of granular media products, the Phosphorus Elimination System (PES), engineered to remove nutrients, color, and other environmental stressors from surface waters and stormwater. Our patented technologies can be combined or used independently. In addition to removing nitrogen and phosphorus, our systems can remove suspended solids, metals, fecal pathogens, PFAS, herbicides and pesticides, and toxic compounds such as arsenic.
Advanced filtration and phosphorus removal
Same filtration with added nitrogen removal
Same filtration with improved color removal
Applications and Use Cases
SWIG systems can be deployed across a range of environments to treat and improve water quality.
Water Resources
Stormwater Management
Water Quality Treatment
Industrial Water Treatment
Domestic Water Treatment
Data Centers
Vegetation Management
Contact us today to schedule
a consultation or project tour.
Projects and Facilities
Explore where SWIG systems are actively improving water quality across real-world applications. View project details, system configurations, and performance across different environments.
