chch.live a waterway

Ōpara Stream

A stream of the city, 8.0 km as the open map draws it, crossing 1 suburb. Also recorded as “Ōpara”.

As the line runs
8.0 km
Suburbs crossed
1

Where it runs

The centre of the water as OpenStreetMap draws it, centrelines, not banks, and not every reach carries water year-round. The faint outlines are suburbs.

Can you swim here

Okains Bay estuary, the LAWA monitor that sits on its reach, LAWA’s long-term grade for it is very low risk.

A water-quality risk grade, not a live verdict, after heavy rain any spot can turn. LAWA (Land Air Water Aotearoa) files the Canterbury sites for Environment Canterbury; its page is the one to check on the day.

The suburbs on its banks

Okains Bay

The reports along it

25 council reports pinned within 150 m of the line, most often Roads & footpaths and Trees & parks, 19 with a photograph. A pin is where a reporter stood, not a claim about the place itself.

Street Gutters / Storm Water Chorlton Road, Okains Bay 7583 · 4 September 2026
Animal - General Chorlton Road, Okains Bay 7583 · 4 September 2026
Roads - General 1158–1176 Okains Bay Rd, Canterbury, Okains Bay 7583 · 7 November 2025

Questions, answered briefly

How long is Ōpara Stream?

8.0 km as mapped, 1 way in the open map, crossing 1 suburb.

Which suburbs does Ōpara Stream pass through?

Okains Bay.

What else is Ōpara Stream called?

The map also records “Ōpara”, the page answers to all of them.

Is the line on the map the whole waterway?

It’s the centreline, the middle of the water as mapped on OpenStreetMap, not its banks. A line says where it runs, not how wide it is or whether it carries water today.

The record behind this

The line is OpenStreetMap’s, every named way tagged river, stream, drain or canal inside the city boundary, merged by name (ODbL). A line says where a waterway runs, not how wide it is; the live gauges are instruments, kept on /rivers.

This page as markdown: /river/opara-stream.md · every waterway as data: /waterways.geojson · /waterways.json · every roll, counted: /geography.