North and South Rivers Watershed Association

What North and South Rivers Watershed Association does

North and South Rivers Watershed Association (NSRWA) is a 501(c)-style nonprofit environmental organization founded in 1970 and headquartered in Norwell, Massachusetts, that protects and restores the North and South Rivers watershed on Boston's South Shore. It serves approximately 150,000 residents across 12 towns (Norwell, Hingham, Scituate, Marshfield, Hanover, Pembroke, Whitman, Hanson, Duxbury, Weymouth, Rockland, and Abington), and operates integrated programs in watershed education, citizen science water quality monitoring (RiverWatch, running since 1994), dam removal and river restoration, advocacy, and outdoor recreation. NSRWA is the official host of EPA's Massachusetts Bays National Estuary Program for the South Shore and runs multi-decade programs including the 36-year Great River Race, the Youth Climate Action Toolkit (grades 6-8), WaterSmart South Shore (12-community water conservation education), Estuary Explorers, River Adventures Camp, and the Estuarine Gradient podcast.

The organization is supported by a small professional staff (1-10 employees), a 21-member volunteer Board of Directors, 1,500+ members, and 800+ annual volunteers. Core products are educational and community programs rather than technology products; the technology stack consists of field water quality monitoring equipment (bacteria, temperature, dissolved oxygen, salinity, conductivity tested at ten sites), GIS mapping, citizen science protocols, and digital content distribution via website, newsletter, Facebook, Instagram, YouTube, and podcast. There is no proprietary software platform or AI/ML capability disclosed.

NSRWA's revenue model is diversified across individual memberships (starting at $50 annually), donations and annual fund contributions, event sponsorships, fee-based programs (River Adventures Camp at $350/week; kayak paddles at $20 single / $60 family; pontoon boat charters), corporate sponsorships (e.g., Battelle sponsorship of Youth CAT), and project-specific state and federal grants (over $465,000 from Massachusetts Division of Ecological Restoration alone for First Herring Brook restoration, plus NOAA Restoration Center support). The go-to-market motion is community-led: engagement is driven by citizen science programs, educational workshops, outdoor events, volunteer recruitment, and membership drives across the South Shore geography.

Name

North and South Rivers Watershed Association

Legal name

North and South Rivers Watershed Association, Inc.

Website

https://nsrwa.org

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

1–10 employees

Short description

The North and South Rivers Watershed Association is a 55-year-old nonprofit that protects and restores the North and South Rivers watershed on Boston's South Shore through education, citizen science water quality monitoring, dam removal, and outdoor recreation programs serving 150,000 residents across 12 towns.

Ownership category

akta.pro rank

Product category

Watershed Conservation Services

NAICS

Nature Parks and Other Similar Institutions (71219), Scenic and Sightseeing Transportation, Water (4872)

SIC

Services-Amusement & Recreation Services (7900)

akta.pro primary industry

Water Resources & Watershed Protection (BPAGAGAK)

akta.pro secondary industries

Marine & Freshwater Conservation (BPAGAGAE), Water & Marine Guiding Services (Kayak, Canoe, Raft, SUP, Sailing) (THAAALAB)

Keywords

• Watershed conservation services
• Environmental education programs
• River restoration services
• Citizen science monitoring
• Habitat restoration services

Headquarters

HQ city

Norwell

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Memberships: Annual membership program with various giving levels, including Leadership Giving Circle, corporate sponsorships, and event sponsorships. Members receive benefits and contribute to the organization's operational funding.
2. Donations and Annual Fund: Direct charitable contributions through annual fund campaigns, tax-smart giving options, and planned giving programs. The organization solicits donations for specific projects like dam removal and education programs.
3. River Adventures Camp: Week-long summer day camp for ages 12-14 teaching kayaking, water safety, and natural/cultural history of local rivers. Fee-based program at $350 per week.
4. Program Fees: Fees for specific programs including kayak paddles ($20 single tickets, $60 family of 4 tickets), pontoon boat charters, and educational workshops.
5. Event Sponsorships: Corporate sponsorships for events including WaterWatch Lecture Series, Gardening Green Expo, and Explore South Shore program.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

The North and South Rivers Watershed Association provides watershed education, citizen science monitoring, habitat restoration, and outdoor recreation programs to protect the North and South Rivers and their watersheds on Boston's South Shore. Core services include the Explore South Shore outdoor recreation guide, Youth Climate Action Toolkit educational modules for middle schools, WaterSmart South Shore regional water conservation education, Estuary Explorers field trips, River Adventures Camp, RiverWatch water quality monitoring, pontoon boat charters, the Great River Race paddling event, Yoga at the River's Edge, the WaterWatch Lecture Series, and The Estuarine Gradient podcast. The organization also coordinates dam removal, fish passage, and shellfish bed restoration projects in partnership with state and federal agencies.

Product overview

The North and South Rivers Watershed Association operates primarily as an informational and educational website with multiple integrated programs and community initiatives. The core offerings include Explore South Shore (an outdoor recreation guide), the Youth Climate Action Toolkit (Youth CAT) educational modules for middle school STEM curricula, WaterSmart South Shore regional water conservation education, and citizen science programs like RiverWatch water quality monitoring. Additional programs include Estuary Explorers field trips, River Adventures Camp, pontoon boat tours, the Great River Race paddling event, Yoga at the River's Edge outdoor yoga, WaterWatch Lecture Series, and the Estuarine Gradient podcast. These offerings work together to fulfill NSRWA's mission of protecting local waters through education, outdoor engagement, advocacy, and restoration projects.

Differentiator

Problem solved

Functional benefit

Brands

• Explore South Shore: A program connecting people with outdoor recreation spots and public properties from Quincy to Plymouth, offering daily recommendations for trails, beaches, parks, and nature exploration.
• RiverWatch
• Youth Climate Action Toolkit (Youth CAT)
• WaterSmart South Shore
• WaterWatch Lecture Series

Products and services

• NSRWA Membership Annual membership program with various giving levels starting at $50, including Leadership Giving Circle and corporate sponsorship options. Members receive benefits and contribute to the organization's operational funding for watershed protection.
• Explore South Shore An online outdoor recreation guide connecting users with public properties across the South Shore from Quincy to Plymouth, offering daily recommendations for trails, boat launches, fishing spots, beaches, parks, and historic sites.
• Youth Climate Action Toolkit (Youth CAT) A downloadable educational module for teachers and students in grades 6-8 complementing STEM curricula with place-based learning and citizen science opportunities. Includes three sub-modules: Water Wise, GROW Native, and FISH School.
• WaterSmart South Shore A regional water conservation education program providing in-school and adult water educational programming throughout 12 South Shore communities in partnership with municipalities including Aquarion water customers in Hingham and Hull, Duxbury, Hanover, Hingham, Kingston, Marshfield, Norwell, Pembroke, Rockland, Scituate and Weymouth.
• Estuary Explorers An outdoor education day program where children explore the salt marsh, sand flats, mud flats, and barrier beaches of the North River ecosystem, learning about estuary ecology through hands-on water quality data collection.
• River Adventures Camp Week-long summer day camp for ages 12-14 teaching kayaking, water safety, and natural/cultural history of local rivers. Fee-based program at $350 per week. Includes kayaks and life jackets. No prior experience necessary.
• Pontoon Boat Charters Guided pontoon boat tours of the North River, providing outdoor nature experiences for groups.
• Water All Around You A school program teaching students about watersheds, water sources, water treatment, and conservation through interactive 3D models and local water treatment plant tours.
• RiverWatch Water Quality Monitoring A citizen science volunteer program monitoring bacteria and water quality indicators (temperature, dissolved oxygen, salinity, conductivity) at ten sites in the North and South Rivers every other week from June through August since 1994.
• The Estuarine Gradient Podcast A podcast series produced by NSRWA's Watershed Ecologist covering topics related to estuaries of the South Shore, including episodes on phenology, herring counts, beach profiling, water quality, and coastal ecology.
• Great River Race An annual 7.5-mile kayak/canoe race on the North River, celebrating its 36th year in 2026, starting at Bridge Street Canoe Launch in Norwell and ending at Indian Head Drive in Hanover.
• Yoga at the River's Edge Outdoor gentle yoga classes held at various locations along the North and South Rivers, running for its 30th season in 2026 with classes on Saturdays and select Wednesdays.
• WaterWatch Lecture Series A winter lecture series featuring weekly presentations on diverse environmental topics with both in-person and Zoom options, running from January through March annually. Includes a kickoff fundraiser at Island Creek Oysters with food included.
• Kayak Paddles at Wompatuck Guided kayak paddle of the Aaron River Reservoir at Wompatuck State Park. $20 single tickets and $60 family of 4 tickets. All equipment included. Sessions at 10:00am and 1:00pm on select dates.

Quantifiable outcome

• 607 acres of shellfish beds reopened to harvest after years of closure
• +4 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

13 partnerships are on record, tiered core and minor.

• Massachusetts Bays PartnershipcoreStrategic or Co-development PartnerNSRWA has been host of EPA's Massachusetts Bays National Estuary Program for the South Shore for over a decade. Sara Grady serves as the MassBays South Shore Regional Coordinator, working with communities from Cohasset to Plymouth on shellfish bed restoration, coastal habitat improvement, fish habitat restoration, invasive species management, and climate change education.
• WaterSmart South ShorecoreStrategic or Co-development PartnerNSRWA provides in-school and adult water educational programming throughout the South Shore in 12 communities through the WaterSmart South Shore program, a nonprofit partnership with 11 towns including Aquarion water customers in Hingham and Hull, Duxbury, Hanover, Hingham, Kingston, Marshfield, Norwell, Pembroke, Rockland, Scituate and Weymouth.
• Massachusetts River AllianceminorStrategic or Co-development PartnerCollaborative partner in watershed protection efforts across Massachusetts rivers.
• Massachusetts Division of Ecological Restoration (MassDER)coreStrategic or Co-development PartnerKey partner on dam removal and river restoration projects. Collaborated on studies including 2015 South River flow study and ongoing restoration work at First Herring Brook, Third Herring Brook, South River, and Indian Head River. Has provided over $465,000 in state grants for First Herring Brook restoration alone.
• NOAA Restoration CentercoreStrategic or Co-development PartnerTechnical assistance partner for dam removal and fish passage restoration projects including Third Herring Brook Restoration.
• Mass Audubon North River Wildlife SanctuaryminorChannel Partner/ Reseller/ DistributorPartner host for WaterWatch Lecture Series and other educational programs. NSRWA uses the sanctuary as a venue location.
• North River CommissionminorStrategic or Co-development PartnerCollaborative partner in North River protection and advocacy efforts.
• Weir River Watershed AssociationminorStrategic or Co-development PartnerRegional watershed partner working on related environmental protection efforts in the Weir River watershed area.
• Trout UnlimitedminorStrategic or Co-development PartnerPartner in streamflow restoration and coldwater fish habitat protection. Shared goals in improving water quality and restoring fisheries.
• Friends of the South River Park and GreenwayminorStrategic or Co-development PartnerPartner organization dedicated to South River conservation and trail development.
• Marshfield Boys and Girls ClubsminorChannel Partner/ Reseller/ DistributorCo-sponsor of River Adventures Camp and partner for Estuary Explorers program.
• South Shore YMCAminorChannel Partner/ Reseller/ DistributorPartner organization including ownership of Mill Pond Dam on Third Herring Brook (removed by NSRWA). Co-sponsor of youth programs.
• Cohasset Center for Student Coastal ResearchminorStrategic or Co-development PartnerAcademic partner for coastal research and student education initiatives.

Scale indicators13 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• The Nature Conservancy (Massachusetts): Global conservation organization with active Massachusetts programming on land and water protection. Comparable in environmental mission and conservation approach, but vastly larger and focused on landscape-scale rather than single-watershed work.
• The Trustees of Reservations: Massachusetts' oldest and largest land conservation nonprofit, managing reservations, trails, and cultural sites statewide. Comparable as a Massachusetts environmental nonprofit with membership, education, and outdoor recreation offerings, but operates at a significantly larger scale.
• Massachusetts Audubon Society: Massachusetts' largest nature conservation nonprofit, operating wildlife sanctuaries, education programs, and advocacy across the state. Directly comparable as a Massachusetts environmental nonprofit with membership, education, and habitat programs; larger in scale and brand than NSRWA.

Direct peers

• Ipswich River Watershed Association: Watershed nonprofit serving the Ipswich River in northeastern Massachusetts. Directly comparable as a regional Massachusetts watershed association with similar water quality monitoring, advocacy, and education programs aimed at local river protection.
• Mystic River Watershed Association: Watershed association serving the Mystic River in greater Boston. Directly comparable as a regional Massachusetts watershed nonprofit with citizen science monitoring, advocacy, and restoration programming aimed at improving local water quality.
• Charles River Watershed Association: Watershed nonprofit focused on the Charles River in Massachusetts. Highly comparable in mission, structure, and programming (water quality monitoring, advocacy, education, recreation), making it the closest direct peer in the Massachusetts watershed association space.
• Buzzards Bay Coalition: Massachusetts nonprofit dedicated to protecting and restoring Buzzards Bay and its watershed. Comparable as a regional Massachusetts water protection organization with similar advocacy, monitoring, education, and restoration functions.
• Salem Sound Coastwatch: Massachusetts coastal watershed nonprofit focused on estuarine water quality monitoring and citizen science on the North Shore. Comparable as a smaller regional coastal/watershed nonprofit with similar volunteer-driven water quality monitoring and public engagement model.
• Neponset River Watershed Association: Watershed nonprofit serving the Neponset River in eastern Massachusetts. Directly comparable in scale, model, and mission to NSRWA, with similar programs in water quality monitoring, restoration, and environmental education.

Emerging players

• Appalachian Mountain Club: New England-based outdoor recreation and conservation nonprofit offering hiking, paddling, and education programs. Comparable in connecting Massachusetts residents to outdoor experiences and conservation, with overlapping outdoor recreation programming like kayaking and trail use.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCINQHGX0SWP4rXc_3dZYAyA
• Facebookfacebook.com/nsrwa.org
• Instagraminstagram.com/northsouthrivers
• LinkedInlinkedin.com/company/north-and-south-rivers-watershed-association

Revenue estimate

Valuation estimate

Number of profiles

Profiles27 records

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 North and South Rivers Watershed Association