PROJECTS
New Zealand’s Three-Water Infrastructure Stocktake
The problem
New Zealand’s local councils did not have an updated inventory of their stormwater infrastructure. This impeded their ability to manage the country’s infrastructure for potable, waste, and stormwater (three-waters infrastructure) and to prevent flooding and freshwater pollution.
How we helped
Castalia created a survey that was sent to all 78 councils across the country to collect data for the infrastructure stocktake. Using this information, Castalia wrote an issues paper that described the complexity of stormwater across the country. The paper analyzed affordability challenges and discussed the impact of water standards on affordability across the three-waters sector.
Impact
Local councils had up an updated inventory of their three-waters infrastructure. The issues paper we wrote was published by Local Government New Zealand and increased public knowledge on New Zealand’s stormwater assets.
The client
Our team
Find out more
- Position Paper: Improving New Zealand’s water, wastewater and stormwater sector
How can we help you?
How can we help you?
WASHINGTON, DC
+1 (202) 466-6790
1747 Pennsylvania Avenue NW, Suite 1200
United States of America
SYDNEY
+61 (2) 9231 6862
Suite 19.01, Level 19, 227 Elizabeth Street
Australia
AUCKLAND
+64 (4) 913 2800
Sinclair House, 3 Glenside Crescent
New Zealand
WELLINGTON
+64 (4) 913 2800
Level 2, 88 The Terrace
New Zealand
PARIS
+33 (0)1 85 64 10 22
3B Rue Taylor
France
BOGOTÁ
+57 (1) 508 5794
Calle 81 #11-08, Piso 5, Oficina 5-121
Colombia
Thinking for a better world.

WASHINGTON, DC
+1 (202) 466-6790
1747 Pennsylvania Avenue NW, Suite 1200
United States of America
SYDNEY
+61 (2) 9231 6862
Suite 19.01, Level 19, 227 Elizabeth Street
Australia
AUCKLAND
+64 (4) 913 2800
74D France Street, Newton South
New Zealand
WELLINGTON
+64 (4) 913 2800
Level 2, 88 The Terrace
New Zealand
PARIS
+33 (1) 73 44 26 97
6 Rue Duret
France
BOGOTÁ
+57 (1) 508 5794
Calle 81 #11-08, Piso 5, Oficina 5-127
Colombia
Thinking for a better world.
