Multi-Barrier Treatment Plant Delivery at Roots Street
Manawatū District Council identified the need to strengthen Feilding’s drinking water network through a new independent bore-fed supply and treatment facility. Existing raw water sources along the Ōroua River relied on infrastructure crossings vulnerable to disruption during natural disaster events.
To improve resilience and support future growth, Council required a turnkey treatment plant plant capable of delivering multi-barrier protection aligned with New Zealand drinking water standards.
FILTEC delivered a fully integrated treatment facility at Roots Street incorporating cartridge filtration, UV disinfection and chlorine residual protection. The new plant provides a secure, independent supply with consistent operation for Council operators.
Strengthening Network Resilience While Maintaining Compliance
Manawatū District Council required a new bore-fed supply to strengthen Feilding’s network resilience and reduce reliance on vulnerable stream crossings. The solution needed to:
Increase supply security through an independent source
Provide robust protozoal and bacteriological barriers
Maintain simple operation
Support future growth
Raw water from the deep bore was generally stable but exhibited elevated suspended solids during start-up, with particles in the 1–10 micron range. The treatment solution therefore required effective filtration and validated disinfection, while the residential site required careful attention to layout and noise management.
Two-Stage Cartridge Filtration with Integrated Disinfection
FILTEC delivered a multi-barrier treatment system tailored to the bore water characteristics and Council's requirements. The process incorporates:
Two-stage cartridge filtration (5 micron followed by 1 micron)
UV reactors in duty/assist configuration
Chlorine dosing for residual disinfection
Fluoride dosing system
Remote monitoring capability
Raw water divert-to-waste during start-up events
The staged cartridge filtration system removes suspended solids, while UV provides a validated primary barrier and chlorination ensures residual protection. Treated water is stored in a new 500 m³ reservoir providing chlorine contact time before pumping. A take-off after chlorination but before fluoridation supplies a fluoride-free public tap in the adjacent reserve.
Integrated Civil, Mechanical and Electrical Delivery
FILTEC delivered the plant on a turnkey basis, incorporating civil, mechanical, electrical and building works within scope, including:
New deep bore pump installation
500 m³ treated water reservoir
Chlorine and chemical storage
Booster pump configuration
Electrical infrastructure and transformer interface
Sewer pump station and waste management systems
Plant layout and equipment selection were coordinated to manage noise within the residential setting. Mechanical assemblies were prefabricated where practical to improve quality control and reduce onsite programme risk.
Commissioning, Operator Handover and Ongoing Support
Comprehensive commissioning verified treatment performance, control logic, analyser calibration and operational sequencing prior to handover.
Filter performance validation
UV system commissioning and dose verification
Chlorine and fluoride dosing calibration
SCADA and remote monitoring integration
Operator training was delivered prior to handover. The plant was delivered as a fully commissioned treatment asset with ongoing technical support available through FILTEC’s service team.
A Resilient Bore-Fed Supply for Feilding
The Roots Street Water Treatment Plant now provides:
Independent bore-fed supply
Multi-barrier treatment protection
Improved network security during disruption events
Simplified automated operation
Infrastructure capacity aligned with future growth
By delivering a turnkey treatment plant integrating process, civil, electrical and building works, FILTEC strengthened Feilding’s water supply resilience while reducing reliance on vulnerable infrastructure crossings. The project provides the Council with confidence in the reliability of its upgraded bore water supply.
