Syndicat Mixte Atlantic'eau

What Syndicat Mixte Atlantic'eau does

Syndicat Mixte Atlantic'eau is a French public territorial cooperation entity (établissement public de coopération intercommunale) responsible for the public drinking water service in the Loire-Atlantique department, serving approximately 600,000 inhabitants across more than 125 communes. The organization operates as a regulated monopoly with an exclusive territorial mandate, supplying drinking water sourced primarily from the Loire River (70% dependency) supplemented by groundwater aquifers and local resources. It manages the full service chain — production, treatment, transport, storage, and distribution — through owned infrastructure including 100 reservoirs (70 elevated tanks), production facilities, and an extensive pipe network. Day-to-day delivery is executed via contracted operators (SAUR, STGS, Veolia) that handle billing, customer support, and maintenance in designated territories.

The organization's technology stack centers on advanced water treatment and quality monitoring. Core differentiators include Carboplus®μG reactive charcoal micro-grain treatment for pesticide and metabolite removal, Bioessais (bioanalytical testing), Empreinte chimique (chemical fingerprinting), and ToxMate biosurveillance (living-organism-based anomaly detection), supported by a self-imposed 0.1 μg/l target for all pesticides and metabolites that exceeds French regulatory thresholds. It conducts 2,350 water quality analyses annually, dedicates 250,000€ per year to R&D on micropolluants, and operates a Scientific Committee of 8 public academic experts. Current infrastructure investment totals 147M€ over 2020-2025, including a 28M€ Loire river crossing (17 km pipeline, 1,120 m microtunnel) and rehabilitation of two treatment plants (Nort-sur-Erdre at 6.077M€ and Massérac-Paimbu at 3.9M€).

Revenue is generated through regulated volumetric water pricing (per cubic meter), fixed subscription fees based on connection size, and one-time connection/infrastructure fees. Customers receive one or two annual invoices depending on payment method. The customer base is structurally fragmented and stable: 125+ municipalities as institutional clients and ~600,000 individual residential users as end consumers. As a public entity, ownership is governmental (elected officials from member communes), with no private equity or venture capital involvement. Recent governance includes the re-election of Frédéric MILLET as president following municipal elections.

Name

Syndicat Mixte Atlantic'eau

Legal name

Syndicat Mixte Atlantic'eau

Website

https://atlantic-eau.fr

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Atlantic'eau is a French public water utility syndicate (Syndicat Mixte) providing drinking water distribution to approximately 600,000 inhabitants across 125+ communes in Loire-Atlantique, operating through owned infrastructure and contracted operators (SAUR, STGS, Veolia) with regulated volumetric pricing and substantial capital investment in treatment and network modernization.

Ownership category

akta.pro rank

Product category

Water Utility Services

NAICS

Water Supply and Irrigation Systems (22131), Water, Sewage and Other Systems (2213), Utilities (221)

SIC

Water Supply (4941), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Drinking Water Distribution Network Operations (Mains, Valves, Hydrants, Service Lines) (EUANAAAE)

akta.pro secondary industries

Water Quality Monitoring, Compliance & Reporting (Sampling, Lab, Regulatory) (EUANAAAG), Water Supply & Wastewater Utilities Administration (BPAIACAG), Water & Wastewater Compliance (NPDES/Stormwater, Pretreatment, Drinking Water/SDWA) (EUAHABAB)

Keywords

• Public water utility
• Drinking water distribution
• Water treatment services
• Water quality monitoring
• Water infrastructure management

Headquarters

HQ city

Nantes

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Infrastructure, Operations, Supply Chain, Technology or R&D, Personnel, Others

Revenue model

1. Water distribution services: Public water utility providing drinking water distribution to approximately 600,000 inhabitants across Loire-Atlantique. Revenue is generated through water sales (volumetric pricing per cubic meter) and fixed subscription fees. Customers receive one or two bills per year depending on payment method.
2. Connection and infrastructure fees: Fees charged for new water connections, pipe installations, and infrastructure development projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Atlantic'eau operates the public drinking water service for approximately 600,000 inhabitants across the Loire-Atlantique department in France. The organization manages the full water cycle from production (70% from the Loire River, supplemented by groundwater and local resources), through advanced treatment targeting pesticides, micropollutants, and emerging contaminants, to distribution via an extensive network infrastructure including 100 reservoirs, treatment plants, and feeder networks. Customer-facing services such as billing, connections, and support are handled through contracted operators and an online portal.

Product overview

Atlantic'eau is a public water utility (Syndicat Mixte) providing drinking water services to approximately 600,000 inhabitants across Loire-Atlantique, France. The organization operates a unified service combining drinking water production and treatment, network distribution infrastructure, and customer services. Core offerings include drinking water distribution, water quality monitoring with advanced R&D capabilities for micropollutant detection, online customer services for bill payment and account management, and comprehensive network infrastructure management. The service relies primarily on the Loire River (70%) with supplementary groundwater sources and local resources. Atlantic'eau maintains significant infrastructure including production facilities, storage reservoirs, and transmission networks, while conducting ongoing modernization and security investments totaling €147 million over 5 years.

Differentiator

Problem solved

Functional benefit

Products and services

• Drinking Water Distribution Service Atlantic'eau operates the public drinking water service in Loire-Atlantique, supplying approximately 600,000 inhabitants with quality drinking water. The service manages water production from various sources including the Loire River (70% dependency), groundwater aquifers, and local resources, along with treatment and distribution through an extensive network infrastructure.
• Water Quality Monitoring and R&D Program Atlantic'eau conducts extensive water quality monitoring including research on micropollutants, pesticides, and their metabolites. The organization implements an R&D policy with a dedicated scientist holding a doctorate in Environment and Health, investing €250,000 per year for 5 years to improve knowledge of micropollutants and anticipate regulatory changes.
• Online Customer Services Portal Customer portal enabling online water bill payment, contract management, move-in/move-out procedures, connection requests, and service client contact through phone, mail, or online form.
• Network Infrastructure Management Atlantic'eau manages 100 reservoirs including 70 elevated water towers, approximately 61 km of annual pipe renewal, and extensive feeder networks connecting production facilities to distribution points across Loire-Atlantique.

Quantifiable outcome

• Water saved through network improvements: 1.5 million m3 annually
• +3 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

16 partnerships are on record, tiered core and major.

• Scientific CommitteecoreStrategic or Co-development Partner · 1 January 2023Scientific advisory committee created in 2023 comprising 8 scientists from various public academic institutions specializing in soil pollution, ecotoxicology, biochemistry, risk sociology, biogeochemistry, environmental health, and water management. Committee meets twice yearly to advise on strategic R&D directions.
• ADEMEmajorStrategic or Co-development PartnerAgence de la Transition Écologique provides funding support and technical assistance for R&D projects on water quality and micropolluant research.
• ANSESmajorStrategic or Co-development PartnerAgence Nationale de Sécurité Sanitaire provides regulatory guidance on pesticide metabolite relevance assessments and water quality standards.
• INSERMmajorStrategic or Co-development PartnerInstitut National de la Santé et de la Recherche Médicale co-finances PhD research on water quality and health impacts. Partnership includes research on cocktail effects of combined contaminants.
• INRAEmajorStrategic or Co-development PartnerInstitut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement partners on agricultural practices research to reduce pesticide use in catchment areas, including potential 6-year research program for zero-pesticide agriculture.
• L.A. Géo-DatacoreStrategic or Co-development PartnerAssociation co-founded with SYDELA and Association des Maires de Loire-Atlantique for geographic information systems and digital mapping. Atlantic'eau participates in PCRS (Plan Corps Rue Simplifié) project funding and data sharing.
• SYDELAcoreStrategic or Co-development PartnerSyndicat Départemental d'Énergie de Loire-Atlantique co-initiated L.A. Géo-Data association for shared GIS infrastructure and data services.
• Chambre d'Agriculture des Pays de la LoiremajorStrategic or Co-development PartnerRegional agricultural chamber collaborates on pesticide reduction initiatives in catchment areas, contributing 15,104 euros to territorial contract and providing agricultural expertise.
• Denys FrancemajorImplementation/ SI/ Consulting PartnerEngineering contractor responsible for microtunneling work on Loire river crossing for Vigneux-de-Bretagne to Rouans interconnection pipeline.
• SAURcoreChannel Partner/ Reseller/ DistributorWater operator manages customer service operations and distribution services in portions of the Atlantic'eau service territory.
• SaurcoreChannel Partner/ Reseller/ DistributorWater utility company handles customer billing and service requests for portions of the service territory.
• VeoliacoreChannel Partner/ Reseller/ DistributorWater utility company handles customer service and billing for portions of the Atlantic'eau distribution network.
• STGScoreChannel Partner/ Reseller/ DistributorWater operator manages distribution services and customer support in designated territories within the Atlantic'eau network.
• SAUR (as contractor)majorImplementation/ SI/ Consulting PartnerLead contractor in 3.9 million euros rehabilitation project for Massérac-Paimbu water treatment plant, working with CNR (civil engineering), ACTEMIUM (electrical/automation), and COMPERE & Cie (architecture).
• OTVmajorImplementation/ SI/ Consulting PartnerLead contractor for 6.077 million euros Nort-sur-Erdre water treatment plant rehabilitation, working with CNR, Eiffage Energie, and Atelier RVL.
• Syndicat d'Eau de l'Anjou (SEA)majorStrategic or Co-development PartnerCo-signatory of territorial contract for upstream Erdre catchment protection, contributing 265,823 euros (40.27%) and collaborating on cross-departmental water quality initiatives.

Scale indicators18 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Suez Eau France: Major French private water services operator that already serves as a delegated operator for Atlantic'eau. Comparable as a full-service drinking water producer/distributor at national scale.
• SAUR: French private water services operator and core channel partner for Atlantic'eau. Comparable as a broad-incumbent operator providing drinking water distribution and customer service.
• Veolia Eau France: Largest French private water utility operator and a contracted operator for Atlantic'eau. Comparable as a broad incumbent offering drinking water production, treatment, and customer services across France.

Direct peers

• Eau du Grand Lyon: Public water authority serving the Lyon metropolitan area under a régie model. Comparable to Atlantic'eau as a publicly governed drinking water utility with industrial-scale network and quality-monitoring programs.
• Régie des Eaux de Grenoble: Municipal public water utility serving the Grenoble area. Comparable to Atlantic'eau as a régie/public drinking water distributor operating its own production, treatment, and network infrastructure.
• Syndicat des Eaux d'Île-de-France (SEDIF): Largest French public water syndicate serving ~4.5M inhabitants in the Île-de-France region. Highly comparable as a publicly governed drinking water distribution entity with regulated tariffs, delegated private operators, and large-scale infrastructure programs.
• Eau de Marseille (SEM): Public drinking water utility serving Marseille and surrounding communes. Closely comparable to Atlantic'eau in governance model (public entity with delegated private operator) and service scope.
• Eau de Paris: Municipal public water utility serving Paris and ~3M inhabitants. Directly comparable to Atlantic'eau as a public, single-territory drinking water producer/distributor with regulated tariffs and significant infrastructure capex.

Regional players

• Syndicat d'Eau de l'Anjou (SEA): Adjacent public water syndicate in Maine-et-Loire that transferred Ingrandes territory to Atlantic'eau and co-signs cross-departmental territorial contracts. Closely comparable geographically and institutionally.
• Nantes Métropole – Direction de l'Eau: Geographic neighbor and complementary drinking water authority within the Nantes metropolitan area served by Atlantic'eau. Comparable as a local public water authority with overlapping catchment and infrastructure considerations.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Syndicat Mixte Atlantic'eau