Upcoming events
Summer in the Styx
Join the Styx Living Laboratory Trust for a fun day of family-friendly festivities in Te Waoku Kahikatea Reserve - conversation education, kayaking, food, guided walks, plantings, games and much more.
Estuary Fest
Explore what lives in, on, under and around the Avon Heathcote Estuary. Fun activities, exhibitions, interactive games, music, food, crafting, displays, live fish, guided walks and talks. Plus, estuary experts are on hand.
Mother of All Clean Ups (MOACU)
Give a gift to Papatūānuku the weekend of Mother’s Day. Over 60 groups clean up litter on this day all over Christchurch to stop it from ending up in our local waterways. Reach out if your business or community group would like to join.
Stormwater Conference and Expo 2026
NZ’s leading stormwater event brings together professionals, researchers, iwi, and community leaders to explore innovative, nature-based, and culturally grounded approaches to stormwater management. The expo is being held in Auckland.
Our catchments
Ōtautahi-Christchurch is shaped by seven distinct catchments, each with its own unique challenges and defining characteristics that contribute to the city's identity.
Find out more about the catchments
Monitoring water quality
Christchurch City Council regularly monitors water quality across all seven catchments in Ōtautahi, testing for contaminants to track long-term trends. Check recent results and historic data on the Wai map – a waterways assessment index for Christchurch and Banks Peninsula.