3Rwater

Name

3Rwater

Legal name

3Rwater, Inc.

Website

https://3r-water.com

Company type

Private

Founded year

2019

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Stormwater Management Software

NAICS

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821), Water Supply and Irrigation Systems (22131), Water Supply and Irrigation Systems (221310)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Water Supply (4941)

akta.pro primary industry

Stormwater Collection & Conveyance (Inlets, Catch Basins, Pipes, Channels) (EUANAEAA)

akta.pro secondary industries

Digital Self-Service & Customer Portals (web/mobile, e-bill, notifications, consumption dashboards) (EUANAIAI), Water, Wastewater & Stormwater Compliance (BPAHAJAJ)

Keywords

• Stormwater management software
• Green infrastructure planning
• Water data platform
• Stormwater compliance reporting
• Distributed green infrastructure

Headquarters

HQ city

Honolulu

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B and B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Others

Revenue model

1. Follow the Drop SaaS Platform Subscription: Water agencies, utilities, and corporations subscribe to the Follow the Drop platform for project management, compliance reporting, and data analytics. The platform supports both agency-facing (admin dashboard) and citizen-facing (mobile app) deployments, typically sold as annual or multi-year subscriptions.
2. Enterprise Data and API Services: Corporate facilities and data centers use the platform to quantify and report green infrastructure impacts for ESG and regulatory reporting, with API integration into corporate sustainability platforms representing an enterprise-tier revenue component.
3. Program Facilitation for NGOs: 3Rwater partners with local non-profits to support community engagement, education, and workforce development programs. Revenue may come from program fees, platform licensing, or collaborative grant-funded initiatives.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels8 records

Core offering

3Rwater develops and sells Follow the Drop, a software platform for green stormwater infrastructure management. The platform combines a web-based administrator dashboard, mobile applications for iOS and Android, and APIs to help water agencies, utilities, corporations, NGOs, and property owners assess stormwater volumes, size green infrastructure solutions using professional design standards, administer incentive programs, monitor real-time project metrics, and produce compliance and ESG reporting.

Product overview

3Rwater offers Follow the Drop™ as a unified stormwater management and data platform combining cloud-based infrastructure with mobile applications. The platform includes a digital twin and cloud-based data management system, a mobile app for iOS and Android, and an educational curriculum. Together, these products enable water agencies, utilities, corporations, NGOs, and property owners to assess stormwater volume, size rainwater solutions, track projects, measure impact, and report on green stormwater infrastructure across the entire project lifecycle.

Differentiator

Problem solved

Functional benefit

Brands

• Follow the Drop: Stormwater management and data platform that provides predictive analytics and connects water agencies, utilities, NGOs and property owners to help them capture and leverage rainwater. Includes mobile app for property owners to assess stormwater volume, size rainwater solutions, and submit projects.

Products and services

• Follow the Drop™ Platform All-in-one green infrastructure planning and management platform combining a digital twin and cloud-based data management. It helps water agencies, utilities, corporations, and NGOs identify and size green stormwater infrastructure options using professional design standards, track projects over their lifetime, and collect metrics in near real time for compliance and ESG reporting.
• Follow the Drop Mobile App Mobile application for iOS and Android that enables residential and commercial property owners and managers to assess stormwater volume, size rainwater solutions (rain gardens, permeable pavement, rainwater catchment), draw drainage areas, submit projects to local water agencies, and access incentive programs.
• Follow the Drop Educational Curriculum Educational curriculum available through Teachers Pay Teachers designed to engage future generations in regenerative practices and restoring urban water cycles, extending the Follow the Drop platform into formal education.

Quantifiable outcome

• 118 million gallons baseline annual stormwater runoff volume tracked for City and County of Honolulu
• +6 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature6 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Malama MaunaluacoreStrategic or Co-development PartnerMalama Maunalua, a non-profit dedicated to preserving Maunalua Bay in Hawaii, partnered with 3Rwater to provide stormwater education and free rainwater assessments for property owners. The partnership identified over 200 project inquiries from East Honolulu residents and evolved into the NFWF/NOAA-funded Smart Yards program, offering GSI workshops and connecting residents with contractors.
• City and County of HonolulucoreStrategic or Co-development PartnerThe City and County of Honolulu launched a pilot stormwater management program with 3Rwater in 2020, using Follow the Drop to engage the community, collect data for incentive programs, and track GSI projects. The program led to the 2025 launch of the Rain Ready Incentive Program with over 2,300 applicants in its first 3 months.
• Honolulu Board of Water SupplycoreStrategic or Co-development PartnerThe Honolulu Board of Water Supply aligned the Follow the Drop program with its Water Conservation program under the One-Water Honolulu initiative, integrating green stormwater infrastructure with the city's water management strategy.
• Hui O KoolaupokominorStrategic or Co-development PartnerHui O Koolaupoko partnered with 3Rwater to lead workshops on rainwater catchment, rain gardens, and permeable pavement installation for community members and contractors in Hawaii.
• Hui Kū Maoli Ola (native plant nursery)minorOthersHui Kū Maoli Ola, a native Hawaiian plant nursery, partnered with 3Rwater and Malama Maunalua to provide native plants as giveaways during contractor-homeowner matchmaking workshops.

Scale indicators6 records

Recent moves6 records

Expansion highlights7 records

Broad incumbents

• ESRI (ArcGIS Utility Network): Dominant GIS platform used by water utilities for spatial stormwater data, asset management, and field operations. 3Rwater integrates with similar utility stacks and competes for the same GIS-centric workflows.
• Xylem: Large global water technology company with utility-focused smart metering, analytics, and asset management offerings. Competes for the same municipal water agency buyers across a much broader portfolio.
• Trimble Water (Cityworks/Trimble Unity): Asset and work management software for water and stormwater utilities, including GIS-centric asset management. Competes for utility-side project management, compliance, and incentive program administration budgets.
• Tetra Tech: Global engineering and consulting firm with major water, stormwater, and MS4/TMDL compliance practices serving municipalities. Competes indirectly for stormwater program design and advisory work that surrounds 3Rwater's platform.
• Bentley Systems (OpenFlows): Provides hydraulic and stormwater modeling, asset management, and digital twin software widely used by water utilities and engineering consultancies. Overlaps with 3Rwater's design and digital twin functions for utilities.

Emerging players

• Watershed: Enterprise sustainability platform that helps corporates measure, report, and reduce environmental impact including water. Overlaps with 3Rwater's corporate ESG reporting and API integration use cases for water-intensive enterprises.
• Measurabl: ESG and sustainability data management platform for real estate and corporate facilities, including water-related ESG metrics. Comparable to 3Rwater's corporate ESG / API integration motion with data center and corporate customers.

Direct peers

• StormSensor: Offers hardware and software for urban stormwater monitoring and analytics; co-founded by 3Rwater advisor Erin Rothman. Directly comparable on the smart stormwater monitoring and data analytics layer.
• OptiRTC: Provides real-time control (RTC) and monitoring software for stormwater and urban watershed management, including sensor/SCADA integrations. Most directly comparable to 3Rwater's smart stormwater and real-time monitoring capabilities.

Others

• ACO (Stormbrixx) / stormwater infrastructure vendors: Physical stormwater management and green infrastructure product manufacturers that 3Rwater's GSI sizing engine effectively 'front-ends' for property owners. Adjacent ecosystem participant rather than direct software competitor.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/3rwater-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds2 records

Investors2 records

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 3Rwater