Engineered Water
Supply & Treatment
Comprehensive design, installation, and optimization of water systems for residential, commercial, and industrial applications. Delivered with water services precision.
Precision. Reliability. Engineering Integrity.
Seven Decades of Field Experience. Formal Water Services Expertise.
Duncan Water Systems delivers engineered water supply and treatment infrastructure backed by over seven decades of field experience and formal water services expertise. We design, build, and optimize systems that meet stringent regulatory requirements while delivering reliable, cost-effective performance for our clients.
Key Credentials
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Technical Director: Jeffrey D. Duncan, M.Eng
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Partnership with Pereira Engineering LLC
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Partnership with Aquatek Labs
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Full service design, build, and maintain capability
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CT DEEP, EPA & local regulatory compliance
Multi-Industry
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Residential well & treatment systems
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Commercial facilities & office buildings
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Industrial process water systems
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Municipal interconnection projects
Supply Sources
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Groundwater wells (all scales)
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Municipal interconnection systems
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Water reclamation & reuse
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Surface water intake & treatment
Compliance
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Connecticut DEEP permitting
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EPA Safe Drinking Water Act
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Local health department standards
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NSF/ANSI certified materials
ABOUT
Duncan Water Systems
From private residential wells to complex industrial process water and reclamation systems, our solutions are grounded in data-driven analysis, regulatory compliance, and long-term operational excellence.
Engineering Partnerships: We collaborate with top Connecticut licensed professional engineers, architects, and local laboratories for comprehensive water quality analysis and full service project delivery.
Water Supply Systems
Design and implementation of reliable water sources
Supply Sources
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Groundwater wells (residential & high-capacity)
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Municipal interconnection systems
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Water reclamation & reuse infrastructure
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Surface water intake & treatment
Key Components
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High-efficiency pumping systems
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Storage & pressure management
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Distribution & specialty piping
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SCADA & remote monitoring
Solutions by Sector
Whether You're a Homeowner, Facility Manager,
or Industrial Operator
We deliver the right level of engineering for your application.
For Homeowners & Property Managers
Clean, Reliable Water for Your Home
We specialize in private well systems and whole-home water quality solutions. Our engineering approach ensures your family has safe, great-tasting water while protecting your plumbing and appliances.
Well Water Systems
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New well design & installation
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Pump & pressure tank systems
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Well rehabilitation & maintenance
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Water quality testing & reporting
Whole-Home Treatment
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Water softening & conditioning
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Reverse osmosis drinking systems
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UV disinfection
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Sediment & iron filtration
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PFAS & contaminant removal
Comprehensive Technology Portfolio
Every Proven Treatment & Supply Technology.
Engineered for Your Specific Requirements.
We maintain active relationships with leading equipment manufacturers and specify the optimal technology, or combination of technologies, for your water chemistry and operational goals.
Membrane Technologies
Reverse Osmosis • Nanofiltration • Ultrafiltration • Microfiltration
Ion Exchange & Softening
Cation/Anion Exchange • Mixed Bed • Specialized resins for PFAS, nitrates, arsenic
Filtration Systems
Multi-media • Greensand • Activated carbon • Sediment • Bag & cartridge
Disinfection & Oxidation
UV • Chlorination • Ozonation • Advanced Oxidation Processes (AOP)
pH Neutralization & Chemical Feed
UV • Chlorination • Ozonation • Advanced Oxidation Processes (AOP)
Pumping & Storage
UV • Chlorination • Ozonation • Advanced Oxidation Processes (AOP)
Monitoring & Control
UV • Chlorination • Ozonation • Advanced Oxidation Processes (AOP)
Specialty Applications
UV • Chlorination • Ozonation • Advanced Oxidation Processes (AOP)
Methodical. Data-Driven. Transparent.
Deep Technical Capability
With Practical, Client-Focused Delivery
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Rigorous Technical Approach
Data-driven designs backed by water chemistry analysis and hydraulic modeling. We engineer to specifications, not assumptions.
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Regulatory Expertise
Deep knowledge of CT DEEP, EPA Safe Drinking Water Act, and local permitting requirements. Compliance is engineered in from day one.
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Full Service Partnership
From initial assessment and system design through decades of reliable operation. One accountable partner for the lifecycle of your system.
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Lifecycle Value
Focus on total cost of ownership, energy efficiency, and long-term performance. We optimize for the next 25 years, not just installation day.
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Professional Partnerships
We collaborate with CT licensed PE firms, architects, and Aquatek Labs to provide comprehensive project delivery and water quality analysis.
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Service Hours
Our team is available Monday through Sunday, 7:30am to 7pm, to keep your critical water infrastructure running reliably.
Why Engineers and Decision Makers Choose Us
Our Engineering Process
1.
Site Assessment & Characterization
Comprehensive water quality sampling, flow analysis, regulatory review, and infrastructure evaluation.
2.
Engineering Design & Specification
Detailed system design, equipment selection, P&ID development, and performance specifications tailored to your objectives and budget.
3.
Installation & Commissioning
Professional installation by experienced technicians, system integration, startup, performance verification, and operator training.
4.
Optimization & Lifecycle Support
Ongoing monitoring, performance optimization, preventive maintenance programs, and responsive lifecycle support.