Companhia Águas de Joinville

What Companhia Águas de Joinville does

Companhia Águas de Joinville (CAJ) is a municipally-owned water and sewage utility company headquartered in Joinville, Santa Catarina, Brazil. Created by Lei Municipal nº 5.054 of July 2, 2004, the company operates under a concession from the Prefeitura Municipal de Joinville to provide public water supply and sewage services throughout the municipality. CAJ holds exclusive rights to deliver these services within its concession area and serves residential, commercial, industrial, real estate developer, and government customers. The company is structured as a mixed-capital company (companhia de economia mista) governed by a Board of Directors, a Supervisory Board, and an Executive Board (Diretoria Colegiada), and is regulated by ARIS (Agência Reguladora de Serviços de Saneamento de Santa Catarina) and audited by the Controladoria Geral do Município and TCE-SC.

The company's technology infrastructure centers on water treatment plants (ETA Cubatão and ETA Piraí) and sewage treatment stations (notably ETE Jarivatuba), supported by a distribution network covering multiple neighborhoods including Floresta, Petrópolis, Jardim Sofia, Guanabara, Itaum, Costa e Silva, Aventureiro, Boehmerwald, Nova Brasília, Espinheiros, Pirabeiraba, and others. Recent capital investments include the installation of activated carbon application equipment at ETA Cubatão (June 2026) and ongoing environmental requalification studies for the ETE Jarivatuba lagoons. Digital infrastructure includes an online self-service portal for billing and service requests, a transparency portal for governance and financial reporting, and dedicated WhatsApp and 24/7 phone channels.

CAJ's revenue model is built on regulated, consumption-tiered water and sewage tariffs billed monthly, supplemented by one-time connection and standardization fees for new properties. A social tariff program (Tarifa Social) provides discounted rates to qualifying low-income families. Additional revenue-adjacent programs include technical viability studies for new real estate developments, the Esgoto Legal program for legalizing property connections to the sewage network, and the PSA (Programa Águas para Sempre) watershed conservation initiative. The company is fully government-owned at the municipal level with no private equity, venture capital, or institutional investor ownership.

Name

Companhia Águas de Joinville

Legal name

Companhia Águas de Joinville

Website

https://aguasdejoinville.com.br

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

101–250 employees

Short description

Companhia Águas de Joinville is a municipally-owned water and sewage utility in Joinville, Santa Catarina, Brazil, operating water treatment plants (ETA Cubatão, ETA Piraí) and sewage facilities (ETE Jarivatuba) under municipal concession to serve residential, commercial, industrial, and government customers via regulated tariffs.

Ownership category

akta.pro rank

Headquarters

HQ city

Joinville

HQ country

Brazil

HQ region

Latin America

Offices5 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Water Supply Services: Water distribution services to residential, commercial, and industrial customers in Joinville. Revenue is generated through water tariffs based on consumption tiers and connection fees.
2. Sewage Collection and Treatment: Sanitary sewage collection and treatment services. Revenue is generated through sewage tariffs, typically charged as a percentage of water consumption.
3. Connection and Standardization Fees: Fees for new water and sewage connections, property standardization, and service requests such as transfers, readings, and billing services.
4. Special Programs: Social tariff programs (Tarifa Social) for low-income residents, providing discounted rates for water and sewage services.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Companhia Águas de Joinville is a municipal water and sewage utility that distributes potable water and provides sanitary sewage collection and treatment to residential, commercial, and industrial customers within the municipality of Joinville, Santa Catarina, Brazil. The company operates water treatment plants (ETA Cubatão, ETA Piraí) and sewage treatment stations (ETE Jarivatuba), and delivers monthly metered utility services under a municipal concession regulated by ARIS.

Product overview

Companhia Águas de Joinville is a municipal water and sanitation utility company providing a unified portfolio of water supply, sewage collection, and treatment services to Joinville, Brazil. The core offering centers on water distribution and wastewater management through a network of treatment facilities (ETA Cubatão, ETE Jarivatuba). Supporting services include an online self-service portal for bill payment and service requests, technical viability assessments for new connections, social tariff programs for low-income customers, and environmental initiatives like the PSA watershed conservation program. The company operates a transparency portal for public governance data access.

Differentiator

Problem solved

Functional benefit

Products and services

• Water Supply Services Potable water distribution services to residential, commercial, and industrial customers in Joinville, including new water connections, leak reporting, supply interruption notifications, and meter reading management.
• Sewage Collection and Treatment Sanitary sewage collection network and treatment services operated through ETE Jarivatuba and the Cubatão system, including sewage connections for residential and commercial properties.
• Technical Viability Studies and Declarations (Viabilidade Técnica e Declarações) Technical feasibility assessments and official declarations issued for new construction projects, subdivisions (loteamentos), vertical and horizontal condominiums, and commercial enterprises seeking to connect to the water and sewage network.
• Programa Esgoto Legal (Legal Sewage Connection Program) Program that enables regularized connection of properties to the public sewage network, offering professional certification, customer enrollment, and compliance support for property owners.
• Portal de Autoatendimento (Self-Service Portal) Web-based self-service portal allowing customers to access water and sewage bills, make payments, review consumption history, request second copies of invoices, and submit service requests online.
• Portal da Transparência (Transparency Portal) Public-facing transparency portal providing open access to company financial statements, procurement processes, contracts, and governance documentation as part of public-sector accountability.
• PSA - Programa Águas para Sempre (Watershed Conservation Program) Environmental preservation program focused on watershed conservation and sustainable protection of the Cubatão river basin as the source of water supply for Joinville.

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Six partnerships are on record, tiered core and minor.

• SENAI (Serviço Nacional de Aprendizagem Industrial)coreStrategic or Co-development PartnerPartnership with SENAI for professional training programs including hydraulic installations and paving courses. Theoretical training conducted at SENAI Norte I facility, practical training in Águas de Joinville construction sites. Part of the Rede de Oportunidades program.
• Instituto TupyminorOthersInstituto Tupy conducts public examination processes for hiring employees via public competition (concurso público) for Águas de Joinville.
• ARIS (Agência Reguladora de Serviços de Saneamento de Santa Catarina)coreOthersRegulatory agency overseeing and regulating water and sewage services in Santa Catarina. Responsible for tariff setting and service quality monitoring.
• Prefeitura Municipal de Joinville (Joinville Municipal Government)coreStrategic or Co-development PartnerMunicipal government holds the concession and establishes the regulatory framework. Partner in community programs including water and sanitation initiatives and the Rede de Oportunidades professional training program.
• Controladoria Geral do MunicípiocoreOthersMunicipal oversight body that conducts audits of Águas de Joinville operations and financial management.
• TCE-SC (Tribunal de Contas do Estado de Santa Catarina)coreOthersState audit court that receives management reports and oversees public spending by Águas de Joinville.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Águas do Rio: Águas do Rio is a private concessionaire operating water and sewage services in the state of Rio de Janeiro. Comparable in concession-based utility operations under regulated tariffs and a likely counterpart in any future Brazilian sanitation concession tenders.
• COPASA: Companhia de Saneamento de Minas Gerais is one of Brazil's largest publicly traded water and wastewater utilities. It shares the same regulated utility business model with multi-municipal concession coverage and tariff-based recurring revenue.
• BRK Ambiental: BRK Ambiental (formerly Odebrecht Ambiental) is a major private Brazilian water and wastewater utility operating multiple municipal concessions. It is a direct peer in concession-based water/sewage service delivery and a potential strategic acquirer or partner.
• CASAN: Companhia Catarinense de Águas e Saneamento is the state-level water and sewage utility of Santa Catarina, the same state as CAJ. It is a direct regional peer with an overlapping concession area in some municipalities and operates under similar ARIS regulation.
• SANEPAR: Companhia de Saneamento do Paraná is a publicly traded state-level water and sewage utility in southern Brazil. It is highly comparable to CAJ in scale, regulated tariff structure, and southern Brazilian operating context.
• Embasa: Empresa Baiana de Águas e Saneamento is the Bahia state water and wastewater utility. Comparable in operating as a publicly controlled utility with regulated tariffs serving residential, commercial, and industrial customers.
• Aegea Saneamento: Aegea is one of Brazil's largest private water and sewage operators, holding multiple municipal concessions. It represents the private-sector alternative to CAJ's mixed-capital municipal model and a likely counterpart in any concession partnership or restructuring.
• SABESP: Companhia de Saneamento Básico do Estado de São Paulo is Brazil's largest state-level water and wastewater utility. It is the closest comparable in business model (regulated water/sewage tariffs, state-level concession) and is publicly traded, providing valuation reference points for the broader Brazilian sanitation sector.
• Iguá Saneamento: Iguá Saneamento is a private Brazilian water utility holding municipal concessions across multiple states. Comparable in serving a defined concession geography with regulated tariffs and recurring monthly revenue.
• CEDAE: Companhia Estadual de Águas e Esgotos do Rio de Janeiro is a state-level water and sewage utility. Comparable in operating as a publicly controlled water/wastewater concession holder under state-level regulatory oversight.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCyldokC7EIIsHUZ7sGbm6UA/featured?view_as=subscriber
• Xx.com/aguasdejlle
• Facebookfacebook.com/AguasdeJoinville

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Companhia Águas de Joinville