Wastewater Treatment Plant Upgrades
Upgrading the activated sludge plant and biogas storage at Bromley.
This is a $172.0M water & waste project across Christchurch, currently in progress.
Upgrading the activated sludge plant and biogas storage at Bromley. Essential to meet environmental discharge consent conditions for the estuary.
Why This Project Matters
Without these upgrades, the plant cannot meet consent conditions. Directly affects estuary and harbour water quality.
Latest Update
$16.2M of activated sludge work rephased to 2026/27. Biogas storage $8.8M pushed to 2027-29. Budget up ~$16M total.
Budget Details
| Detail | Value |
|---|---|
| Total Budget | $172.0M |
| Category | Water & Waste |
| Ward | Citywide |
| Status | In Progress |
Data & Sources
Budget and project data: CCC Long Term Plan 2024–2034, orbviz.com capital programme API. Research source: Council Agenda 12 Feb 2025, section 5.16. Budget figures from CCC capital programme. Scope and status from official CCC communications and council agenda reports. Data as at March 2026.