Hudson RiverKeeper
Riverkeeper (dba Hudson RiverKeeper) is a 501(c)(3) nonprofit founded in 1966 and headquartered in Ossining, NY. It protects the Hudson River and New York drinking water through field patrols, Clean Water Act enforcement, advocacy campaigns, and a public Water Quality Portal.
- Company typePrivate
- Founded1966
- HeadquartersOssining, United States
- Headcount11–50
- GTM typeB2C
- OfferingServices
What Hudson RiverKeeper does
Riverkeeper, doing business as Hudson RiverKeeper, is a 501(c)(3) nonprofit environmental advocacy organization headquartered in Ossining, New York, and operating continuously since its founding in 1966. Its functional mission is the protection of the Hudson River and the safeguarding of drinking water supplies for New York State residents. The organization serves two distinct constituencies: a donor and member base that funds its operations, and a public beneficiary population consisting of New York residents reliant on Hudson River-adjacent water resources.
The organization's core operational assets are its water quality monitoring program and the Water Quality Portal, an interactive map-based platform hosted at data.riverkeeper.org that publishes testing and analysis data on river conditions. Field operations include patrol and debris-removal activities covering 2,400+ river miles annually, with 404 tons of debris removed since 2012. The advocacy arm pursues Clean Water Act enforcement and policy campaigns, a posture credited with securing $5.5 billion in clean water funding allocations since 2017 and mobilizing 28,148 constituent letters to lawmakers in a single year. The organization also operates within the Waterkeeper Alliance, a global environmental movement.
The business model is donor-funded rather than transactional. Revenue is sourced from individual donations, membership contributions, and grants. The organization is recognized with the Candid Seal 2025, a third-party transparency and accountability designation for U.S. charities. Headcount is reported in the 11-50 range. As a tax-exempt 501(c)(3), the organization reinvests surplus into mission delivery rather than distributing profits.
Hudson RiverKeeper firmographics
Firmographics- Name
- Hudson RiverKeeper
- Legal name
- Riverkeeper
- Website
- https://riverkeeper.org
- Company type
- Private
- Founded year
- 1966
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Riverkeeper (dba Hudson RiverKeeper) is a 501(c)(3) nonprofit founded in 1966 and headquartered in Ossining, NY. It protects the Hudson River and New York drinking water through field patrols, Clean Water Act enforcement, advocacy campaigns, and a public Water Quality Portal.
- Ownership category
- akta.pro rank
Hudson RiverKeeper industry classification
Industry- Product category
- Environmental Advocacy Services
- akta.pro primary industry
- Water Resources & Watershed Protection (BPAGAGAK)
- akta.pro secondary industries
- Marine & Freshwater Conservation (BPAGAGAE), Water Resources Administration (Watersheds, Rivers, Groundwater) (BPAIAMAE), Drinking Water Quality & Safe Water Regulatory Authorities (HLAJAFAD)
Keywords
Where Hudson RiverKeeper is headquartered
LocationHeadquarters
- HQ city
- Ossining
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Hudson RiverKeeper business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Others
Revenue model
- Donations and Membership: Revenue is generated through charitable donations, membership contributions, and direct support from individuals committed to clean water advocacy. The organization conducts fundraising campaigns and accepts planned giving.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Hudson RiverKeeper product offering
Product offeringCore offering
Riverkeeper is a nonprofit environmental advocacy organization that protects the Hudson River and safeguards drinking water for millions of New Yorkers. It carries out volunteer river patrols, water quality sampling, debris removal, legal action against polluters, and state-level policy advocacy, supported by an interactive Water Quality Portal that publishes watershed data to the public.
Product overview
Riverkeeper operates as a single-purpose environmental advocacy organization focused on protecting the Hudson River and safeguarding drinking water. The organization offers the Water Quality Portal as its primary interactive platform, providing real-time water quality data and analysis for the Hudson River watershed. Additional offerings include advocacy campaigns, volunteer programs, legal case work, and policy initiatives, rather than a modular software product portfolio.
Differentiator
Problem solved
Functional benefit
Products and services
- Water Quality Portal An interactive map-based online platform that allows users to explore water quality data throughout the Hudson River watershed, including indicators on swimming and boating safety, drinking water quality, fish health, and climate change impacts. The portal aggregates data collected by Riverkeeper and its partners and is offered free to the public.
Companies that use Hudson RiverKeeper
Customer profileSegments1 record
Ideal customer profiles1 record
Hudson RiverKeeper technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Hudson RiverKeeper partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Waterkeeper AlliancecoreRiverkeeper is a member organization of Waterkeeper Alliance, a global environmental movement dedicated to protecting water resources. This affiliation provides networking, resources, and shared advocacy frameworks across water protection organizations worldwide.
Scale indicators4 records
Recent moves5 records
Expansion highlights4 records
Hudson RiverKeeper competitors and assessment
Company assessmentDirect peers
- American Rivers: National nonprofit dedicated to protecting and restoring U.S. rivers — closest national-scale direct peer to Riverkeeper in mission, advocacy approach, and focus on riverine ecosystems.
- Earthjustice: Nonprofit environmental law organization that litigates against polluters and defends clean water protections — overlaps directly with Riverkeeper's legal-action track record against Hudson polluters.
- Clean Water Action: National grassroots organization focused on clean water advocacy, drinking water protection, and pollution prevention — a direct peer in mission, donor base, and policy advocacy style.
- Waterkeeper Alliance: Global network of which Riverkeeper is a member organization; provides shared advocacy frameworks, resources, and visibility across water protection organizations worldwide — a direct peer in mission and operating model.
- Chesapeake Bay Foundation: Regional watershed advocacy nonprofit protecting the Chesapeake Bay — directly comparable to Riverkeeper in mission, volunteer-driven science + advocacy + legal model, and geographic concentration around a single major U.S. waterway.
Regional players
- Heal the Bay: California-based nonprofit focused on Santa Monica Bay water quality through science, advocacy, and community engagement — a regional water advocacy peer with comparable operating model but different geographic focus.
Broad incumbents
- Sierra Club: One of the largest U.S. environmental nonprofits with a water protection and advocacy program that competes with Riverkeeper for both members and policy influence on watershed and drinking water issues.
- Environmental Defense Fund (EDF): Major national environmental organization using science, economics, and law to address water, climate, and ecosystem issues. Overlaps with Riverkeeper on water quality advocacy and donor pool, but at a significantly larger scale and broader mandate.
- Natural Resources Defense Council (NRDC): Large national environmental nonprofit combining science, law, and advocacy across water, air, climate, and public health. Operates at a much larger scale but competes with Riverkeeper for donor mindshare and policy influence on water issues.
Emerging players
- Surfrider Foundation: Volunteer-driven nonprofit protecting coastal water quality through chapter-based advocacy, water testing, and beach cleanups — a comparable community-led model, though focused on coastal rather than river watersheds.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Hudson RiverKeeper social profiles
Digital presenceHudson RiverKeeper financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hudson RiverKeeper leadership team
Management profileNumber of profiles
Hudson RiverKeeper funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hudson RiverKeeper 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 Hudson RiverKeeper
What does Hudson RiverKeeper do?
Riverkeeper is a nonprofit environmental advocacy organization that protects the Hudson River and safeguards drinking water for millions of New Yorkers. It carries out volunteer river patrols, water quality sampling, debris removal, legal action against polluters, and state-level policy advocacy, supported by an interactive Water Quality Portal that publishes watershed data to the public.
Is Hudson RiverKeeper a public or private company?
Hudson RiverKeeper is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Hudson RiverKeeper founded?
Hudson RiverKeeper was founded in 1966. It employs 11 to 50 people.
Where is Hudson RiverKeeper based?
Hudson RiverKeeper is headquartered in Ossining, United States, in the North America region.
How does Hudson RiverKeeper make money?
One revenue line is on record: donations and Membership.
Who are Hudson RiverKeeper's main competitors?
Direct peers on record are American Rivers, Earthjustice, Clean Water Action, Waterkeeper Alliance and Chesapeake Bay Foundation. Heal the Bay is listed as a regional player. Broad incumbents are Sierra Club, Environmental Defense Fund (EDF) and Natural Resources Defense Council (NRDC). Surfrider Foundation is listed as an emerging player.
Does Hudson RiverKeeper have an API?
No public API is recorded for Hudson RiverKeeper.
What industry is Hudson RiverKeeper in?
Hudson RiverKeeper's product category is Environmental Advocacy Services. Its primary akta.pro industry code is BPAGAGAK, Water Resources & Watershed Protection, with a secondary code of BPAGAGAE, Marine & Freshwater Conservation.