Sustainable Water Investment Group

What Sustainable Water Investment Group does

Sustainable Water Investment Group (SWIG), legally Sustainable Water Infrastructure Group, LLC, is a privately held US water treatment technology company founded in 2017 and headquartered in Seattle, Washington, with operational offices in Orange Park, Florida, and a media production facility in Mount Dora, Florida, operated through its wholly-owned subsidiary Sustainable Water Infrastructure Group, Production Company LLC. The company designs and deploys nature-based, passive water treatment systems built around proprietary engineered granular media blends — the PES (Phosphorus Elimination System) family — that remove phosphorus, nitrogen, color, TSS, metals, bacteria, PFAS, and other contaminants from stormwater and surface waters through physical and chemical adsorption without chemical additives. Its product portfolio comprises three media variants (PES, PES+N, PES+C) and five deployment formats: the Field System (in-ground, scalable), the Module (prefabricated skid-mounted steel unit), the Floating Module (marine-grade on-water platform), Stormwater BMPs (bioswales and raingardens), and RE-Treat (integrated stormwater pond retrofit).

SWIG generates revenue through a combination of one-time system sales, multi-year managed services (operations and maintenance, media supply and replacement on 5-15 year cycles, vegetation management), and professional services (design and engineering, permitting support, stormwater pond inspections). The go-to-market is enterprise field sales targeting municipalities, utilities, developers, engineering consultants, and corporations pursuing Water-Positive or VWBA-credited water stewardship outcomes, with all pricing handled via quote-based consultative engagement. The company is led by CEO Jerome Ryan (Stanford MBA), COO Mark Merkelbach, CTO Dr. William Lucas (holder of 2 US and 10 international patents with 500+ citations), and a 15+ person team with deep Florida regulatory experience, anchored by FDEP and Water Management District approvals and Florida Stormwater Rule compliance.

Name

Sustainable Water Investment Group

Legal name

Sustainable Water Infrastructure Group, LLC

Website

https://swig-llc.com

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Water Treatment Systems

NAICS

Water Supply and Irrigation Systems (221310), Environmental Consulting Services (54162)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro industry

PRIMARYIMAHAEAJ

Water & Wastewater Treatment Plant Equipment (Clarifiers, Aeration, Membrane Systems)

Industrials, Manufacturing & Construction/Industrial Machinery & Heavy Equipment/Process & Industrial Plant Equipment

SECONDARYEUANABAH

Nutrient & Contaminant Removal (Nitrate, Fluoride, Arsenic, PFAS, Metals)

Energy, Utilities & Environment/Water & Wastewater Utilities/Water Treatment (Potable)

SECONDARYBPABAJAK

Monitoring & Control (Dosing Systems, Remote Monitoring, Sensors)

Business & Public Services/Facilities Management & Building Services/Water Treatment & Building Water Hygiene (Legionella)

SECONDARYBPADALAH

Water Resources, WASH & Integrated Water Management

Business & Public Services/International Organizations & Development/Climate, Environment & Sustainable Development Programs

Keywords

• Water treatment systems
• Stormwater filtration
• Nature-based solutions
• Nutrient removal media
• Phosphorus elimination

Headquarters

HQ city

Seattle

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D

Revenue model

1. Water Treatment Systems (Field Systems, Modules, Floating Modules): Sale of custom-engineered nature-based water treatment systems. Systems are configured based on client requirements, site conditions, and target parameters. Includes product delivery and installation. Long-term revenue from media replacement cycles (5-15 years depending on system and loading).
2. Operations and Maintenance Services: Multi-year O&M contracts covering routine monitoring, wet/dry season operations, vegetation management, pump maintenance, SCADA updates, media performance tracking, water sampling. Proactive approach to maintain system performance and regulatory compliance.
3. Design and Engineering Services: Comprehensive design and specification services including preliminary product recommendations, hydrologic/hydraulic modeling, cost estimates, ERP/NPDES permitting, QAPP preparation, site-specific drawings, submittal packages, and permit-ready specifications.
4. Media Supply and Replacement: Ongoing supply of proprietary engineered granular media blends. Media replacement cycles of 5-15 years depending on system type and influent loading. Spent media removed and beneficially reused as agricultural soil amendment.
5. Corporate Water Stewardship Solutions: Custom water replenishment systems for corporations meeting Water-Positive, replenishment, or VWBA commitments. Full delivery service including site identification, permitting, construction, monitoring, and long-term operation. Services include VWBA Method D-6 verified reporting for ESG disclosures.
6. Stormwater Pond Inspection Services: Site assessment and inspection services evaluating pond condition against permit requirements, identifying erosion, vegetation encroachment, sediment accumulation, and compliance risks. Produces defensible documentation for permitting authorities. Includes corrective action planning.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Sustainable Water Investment Group designs, manufactures, and deploys nature-based passive water treatment systems using proprietary engineered granular media (PES, PES+N, PES+C) to remove phosphorus, nitrogen, color, metals, PFAS, and other contaminants from impaired waters. The company offers multiple deployment formats — Field Systems, skid-mounted Modules, Floating Modules, Stormwater BMPs, and the RE-Treat pond retrofit — alongside design, engineering, operations and maintenance, inspections, vegetation management, and corporate water stewardship services. SWIG targets municipalities, utilities, developers, engineering consultants, and corporations seeking compact-footprint, permit-compliant nutrient removal.

Product overview

Sustainable Water Investment Group (SWIG) offers a nature-based water treatment platform consisting of engineered filtration media products (PES, PES+N, PES+C) and multiple deployment formats. The core media products remove phosphorus, nitrogen, color, and other contaminants from water through passive adsorption and biological processes. These media are deployed through four distinct delivery systems: the Field System (in-ground, large-scale), the Module (prefabricated, skid-mounted, portable), the Floating Module (marine-grade floating platform for on-water treatment), and Stormwater BMPs (bioswales and raingardens). The RE-Treat system integrates PES+N media with existing stormwater ponds for comprehensive nutrient removal. Supporting services include design, system operations and maintenance, stormwater pond inspections, vegetation management, and corporate water stewardship solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Field System

Quantifiable outcome

• Up to 90% less land area required compared to conventional wetlands for equivalent treatment volumes
• +11 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Scale indicators8 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Hydro International: Designs and supplies stormwater treatment and separation systems (vortex separators, filtration devices) targeting nutrient, TSS, and metals removal. Directly comparable to SWIG on project-based stormwater quality treatment sales to engineering consultants and municipal clients.
• Contech Engineered Solutions: Manufacturer of engineered stormwater treatment products including the Filterra bioretention system and Imbrium filtration/media products. Directly comparable to SWIG because both sell media-based stormwater and nutrient-removal systems to municipalities, developers, and engineers on permit-driven projects.
• Imbrium Systems: Designs and supplies stormwater treatment media systems (e.g., Jellyfish, Filterra downstream components) targeting nutrient and TSS removal. Most direct technology peer to SWIG given shared media-based stormwater filtration approach sold into engineering and developer channels.

Broad incumbents

• Forterra: Large-scale manufacturer of water and stormwater infrastructure products including concrete structures, pipe, and treatment components. Comparable to SWIG as a supplier into municipal water and stormwater bid pipelines, though much broader in scope and not specialized in passive nutrient-media filtration.
• Xylem: Global water technology company serving utilities, industry, and commercial markets with treatment, transport, and monitoring solutions. Comparable as a broad incumbent in water and wastewater treatment infrastructure; competes for the same utility and developer capital budgets though at a much larger scale and broader scope.
• Veolia Water Technologies: Global environmental services and water technology provider with municipal and industrial treatment offerings including nutrient removal. Comparable as a broad incumbent in the water-treatment equipment and services market, especially on municipal nutrient compliance and industrial reuse projects.
• Aqua-Aerobic Systems: Provides water and wastewater treatment equipment and processes for municipal and industrial applications, including biological and filtration systems. Comparable to SWIG in the broader water-treatment plant equipment category, though focused on active treatment processes rather than passive media filtration.
• Advanced Drainage Systems: Publicly traded leader in water management products including stormwater drainage, onsite wastewater, and treatment technologies. Comparable as a broad incumbent selling into developer, municipal, and infrastructure channels that also purchase nature-based treatment systems.
• Oldcastle Infrastructure: A CRH-owned national manufacturer of stormwater management, drainage, and water infrastructure products. Overlaps with SWIG in stormwater BMPs and pretreatment sold to developers and municipalities, but offers a much broader product portfolio rather than specializing in nutrient-removal media.
• StormTrap: Manufactures precast concrete stormwater detention and treatment systems for land development and municipal projects. Overlaps with SWIG on the developer and municipal bid pipeline, especially where stormwater quality and quantity requirements converge.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@swigdl1864
• LinkedInlinkedin.com/company/sustainable-water-investment-group-llc

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sustainable Water Investment Group