Remnants of Timaru’s first public water-supply system, decommissioned after new Claremont Road reservoirs opened in 1960, the empty, grassed structures remain significant examples of colonial engineering and are protected as a Timaru District Council Category A heritage item and Heritage New Zealand Pouhere Taonga Category 2 historic place. Photos Roselyn Fauth 2025
https://www.timaru.govt.nz/__data/assets/pdf_file/0007/673891/Historic-Heritage-Assessment-Report-HHI68-Timaru-Water-Supply-Reservoirs-Category-A.pdf
At the western end of Brookfield Road, two enormous shapes lie almost hidden beneath the grass. They are the remains of Timaru’s early public water-supply reservoirs, part of an ambitious engineering system that brought water from the Pareora River into town.
The first reservoir was excavated by James Fraser in 1874–75 and lined with locally quarried bluestone by contractors Jones and Peters. Rectangular in plan, it was designed to hold more than 23 million litres of water. Fraser also constructed a 39-kilometre water race from the Pareora River, but the original scheme failed and no water reached Timaru.
The need was urgent. The fire that destroyed much of Timaru’s central business district in December 1868 had exposed the weakness of the town’s water supply. After further surveying and engineering work, including improvements designed by Christchurch engineers Edward Dobson & Son, a successful gravity-fed system opened on 16 December 1881. Water travelled through a network of open races, flumes, tunnels, culverts and pipes before reaching the Brookfield Road reservoir and being piped into town.
The new supply transformed daily life. It provided reliable water for homes, gave the volunteer fire brigade the pressure and volume needed to fight fires, and supported Timaru’s growing industries. By 1903 there was enough surplus water to drive Pelton wheels, turbines and steam engines.
Demand continued to grow. Between 1910 and 1912, W. J. Black & Son raised the walls of the original reservoir and constructed a second, polygonal reservoir in concrete. Engineer Sir Arthur Dudley Dobson had advised the borough council on these improvements in 1909.
The system was gradually modernised. A new intake dam was built in the upper Pareora Gorge, and in 1939 the open water race was replaced by a pipeline. Two new reservoirs opened on Claremont Road in 1960, after which the Brookfield Road reservoirs were decommissioned.
Today the empty, grassed structures remain powerful evidence of the infrastructure that allowed Timaru to grow. Their scale, stonework and geometric forms record changing construction methods across nearly four decades. They are protected as a Timaru District Council Category A heritage item and are listed by Heritage New Zealand Pouhere Taonga as a Category 2 historic place.
1900 Street scene, Stafford Street, Timaru, including horses and carts. The Press (Newspaper) :Negatives. Ref: 1/1-008712-G. Alexander Turnbull Library, Wellington, New Zealand. /records/29945985
1910 New Zealand Government Life and Accident Insurance building, Stafford Street, Timaru, with men, horses and carts in the foreground. The Press (Newspaper) :Negatives. Ref: 1/1-008809-G. Alexander Turnbull Library, Wellington, New Zealand. /records/29939829
Acknowledgement
A special thank you to Dr Ann McEwan of Heritage Consultancy Services, whose work led Timaru’s historic heritage review and the preparation of its individual heritage assessments. The review was commissioned by Timaru District Council, with research, site visits, consultation and input from council staff, local experts, property owners, Heritage New Zealand Pouhere Taonga and members of the community. That careful groundwork makes it possible for the rest of us to find these places, understand them and share their stories.
Principal source: Timaru District Council, Historic Heritage Item Record Form: Timaru Water Supply Reservoirs [2], Brookfield Road, Doc. 1304476; read alongside Dr Ann McEwan, Heritage Consultancy Services, Timaru District Council Proposed District Plan: Historic Heritage Review, prepared for Timaru District Council, 1 June 2022.