3Rwater
- Company typePrivate
- Founded2019
- HeadquartersHonolulu, United States
- Headcount1–10
- GTM typeB2B and B2C
- OfferingSoftware
3Rwater firmographics
Firmographics- 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
3Rwater industry classification
Industry- 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
Where 3Rwater is headquartered
LocationHeadquarters
- HQ city
- Honolulu
- HQ country
- United States
- HQ region
- North America
Markets served
3Rwater business model
Business model- GTM type
- B2B and B2C
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Others
Revenue model
- 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.
- 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.
- 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
3Rwater product offering
Product offeringCore 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
Companies that use 3Rwater
Customer profileNamed customers2 records
Segments4 records
Ideal customer profiles4 records
3Rwater technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature6 records
3Rwater partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- Malama MaunaluacoreMalama 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 HonolulucoreThe 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 SupplycoreThe 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 KoolaupokominorHui 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)minorHui 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
3Rwater competitors and assessment
Company assessmentBroad 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
3Rwater social profiles
Digital presence3Rwater financial estimates
Financial estimateRevenue estimate
Valuation estimate
3Rwater leadership team
Management profileNumber of profiles
Profiles7 records
3Rwater funding detail
Funding detailFunding overview
Funding rounds2 records
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
3Rwater M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about 3Rwater
What does 3Rwater do?
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.
Is 3Rwater a public or private company?
3Rwater is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was 3Rwater founded?
3Rwater was founded in 2019. It employs 1 to 10 people.
Where is 3Rwater based?
3Rwater is headquartered in Honolulu, United States, in the North America region.
How does 3Rwater make money?
Three revenue lines are on record. Follow the Drop SaaS Platform Subscription is the primary driver. The others are enterprise Data and API Services and program Facilitation for NGOs.
Who are 3Rwater's main competitors?
Broad incumbents on record are ESRI (ArcGIS Utility Network), Xylem, Trimble Water (Cityworks/Trimble Unity), Tetra Tech and Bentley Systems (OpenFlows). Emerging players are Watershed and Measurabl. Direct peers are StormSensor and OptiRTC. ACO (Stormbrixx) / stormwater infrastructure vendors is listed as an others.
Does 3Rwater have an API?
Yes. Follow the Drop provides API capabilities enabling data exchange with external platforms. The platform supports pushing and pulling APIs to communicate with corporate sustainability reporting platforms, on-premise dashboards, and central asset management platforms. Data can be exported as CSV and PDF outputs. Integration enables organizations to monitor, communicate impact, and share data.
What industry is 3Rwater in?
3Rwater's product category is Stormwater Management Software. Its primary akta.pro industry code is EUANAEAA, Stormwater Collection & Conveyance (Inlets, Catch Basins, Pipes, Channels), with a secondary code of EUANAIAI, Digital Self-Service & Customer Portals (web/mobile, e-bill, notifications, consumption dashboards). Its NAICS code is 518 and its SIC code is 7370.