

FILTEC Smart Water Monitoring Case Study
Delivering Safe Drinking Water to Remote New Zealand Communities
In collaboration with FILTEC and Crown Infrastructure Partners, Define Instruments delivered the remote monitoring and IoT infrastructure for rural marae water treatment systems across New Zealand.
Using the G3 IoT platform, the solution provided real-time monitoring, automated alerts, and cloud-based reporting to support safer drinking water, regulatory compliance, and reliable operation in remote environments.
The Challenge
Managing Critical Infrastructure Remotely
Without remote monitoring capabilities, maintaining visibility across geographically dispersed sites would have required frequent manual inspections and significantly higher operational costs.
Continuous Monitoring
Lack of continuous real-time monitoring across critical water treatment infrastructure.
Remote Visibility & Support
Limited visibility and difficulty supporting remote water treatment systems across geographically dispersed rural sites.
Compliance Reporting
Manual compliance monitoring and reporting requirements.
Step 01
Aligning on Data and Goals
What They Gained From Step 01 With Us
Step 02
Delivering a Tailored IoT System
What They Gained From Step 02 With Us
Step 03
Streamlining Operations with Smart To-Do Lists
What They Gained From Step 03 With Us
Step 04
Ongoing Partnership and Support
What They Gained From Step 04 With Us
The Define IoT Solution
Remote Monitoring Built for Rural Water Systems
Custom industrial IoT dashboard developed for FILTEC, designed to provide real-time visibility into remote water filtration system performance, including tank levels, UV treatment, flow monitoring, operating status, and water usage trends.Define Instruments delivered the complete remote monitoring and IoT layer for the project, enabling real-time oversight of each treatment plant through secure cloud-connected infrastructure.
Using the Define Instruments G3 IoT platform, the system continuously monitored key operational parameters including: Water flow rates, Tank levels, UV disinfection status, Filter condition and pressure monitoring, and System alarms / operational status.

The G3 IoT controller installed at each marae site provides the intelligence behind FILTEC’s remote monitoring platform, delivering real-time water quality monitoring, system visibility, and cloud-connected reporting.

Custom industrial IoT dashboard developed for FILTEC, designed to provide real-time visibility into remote water filtration system performance, including tank levels, UV treatment, flow monitoring, operating status, and water usage trends.
24/7 Real-Time Monitoring
Operators and support teams could remotely monitor the health and performance of each water treatment system in real time.
Automated Alerts & Diagnostics
Automated notifications alerted operators to faults, abnormal conditions, maintenance requirements, or system performance issues before they became critical.
Secure Data Logging & Cloud Storage
Operational data was securely logged and stored for historical analysis, compliance reporting, and long-term system optimization.
The Results
Reliable, Remotely Monitored Drinking Water Systems Across Marae Sites
Improved Water Quality
The treatment systems achieved compliance with New Zealand drinking water standards while supporting long-term operational reliability.Remote Visibility Across All Sites
Operators gained centralized visibility of system health and water safety across geographically dispersed rural locations.Reduced Maintenance Costs
Remote diagnostics and proactive monitoring reduced unnecessary callouts and enabled more efficient servicing and maintenance scheduling.Streamlined Compliance Reporting
Automated data collection simplified regulatory reporting requirements and improved accountability across the project.
By integrating intelligent remote monitoring into the water infrastructure, Define Instruments helped transform the systems from passive treatment plants into actively managed, data-driven assets.
Why Define Instruments Was Chosen
Define Instruments was selected due to the unmatched flexibility, scalability, and reliability of the G3 IoT platform, which delivered a complete end-to-end monitoring solution from sensor to cloud.
Flexible Connectivity
The G3 platform supported both Wi-Fi and cellular connectivity, providing dependable communications across remote rural locations.Modular & Expandable Hardware
With support for up to 32 I/O channels, the G3 platform enabled integration with a wide range of sensors and control devices without requiring additional PLC hardware.Built-In Control Capability
The onboard logic functionality reduced system complexity by eliminating the need for separate PLC infrastructure.Third-Party System Integration
The G3 platform successfully interfaced with proprietary wireless systems to retrieve critical tank level data, demonstrating the interoperability required for complex water treatment applications.Complete System Offering
Define Instruments delivered a fully integrated solution—combining robust hardware, secure cloud services, and intuitive dashboards—making it simple to install, launch, and operate.Future-Proof Device Management
As system requirements evolved, remote firmware updates and configuration changes were pushed over the air, avoiding costly and time-consuming site visits.
Ultimately, Define Instruments was the only supplier able to meet the project’s technical, operational, and logistical requirements while delivering the reliability necessary for long-term rural deployment.
Conclusion
The success of the project was driven by strong collaboration between FILTEC, Crown Infrastructure Partners, local communities, and technology partners including Define Instruments.
By combining modular water treatment systems with intelligent IoT monitoring infrastructure, the project delivered safer, more reliable, and more sustainable drinking water services to remote New Zealand communities.
The implementation demonstrated how modern remote monitoring technology can support regulatory compliance, improve operational efficiency, and provide long-term visibility for critical infrastructure in challenging environments.
Following the success of the initial rollout, the solution is now being expanded to additional marae sites across New Zealand.

Define partnered with us to build a remote IoT monitoring system that ensures safe drinking water for rural communities.
Craig Freeman
Technical Director, Filtec