# Purau Stream, a waterway of Christchurch

A stream, 6.9 km as OpenStreetMap draws it, crossing 2 suburbs. Also recorded as “Purau”.

## Can you swim here

[Purau Bay](https://www.lawa.org.nz/explore-data/canterbury-region/swimming/purau-bay/swimsite), the LAWA monitor that is ~250 m away, its latest weekly sample graded it suitable for swimming.

*A water-quality risk grade, not a live verdict, after heavy rain any spot can turn. LAWA's page is the one to check on the day.*

## The suburbs on its banks

- [Diamond Harbour](https://www.chch.live/diamond-harbour)
- [Port Levy](https://www.chch.live/port-levy)


## The reports along it
59 reports pinned within 150 m of the line, a pin is where a reporter stood, not a claim about the place.
- [Water Pollution - Sediment](https://www.chch.live/report/7908936), 43–177 Purau Ave, Canterbury, Diamond Harbour 8972, New Zealand
- [General Request](https://www.chch.live/report/7827015), [177 Purau Avenue, Diamond Harbour, Purau 8972, New Zealand](https://www.chch.live/diamond-harbour/177-purau-avenue)
- [Flooding](https://www.chch.live/report/7752391), [179 Purau Ave, Canterbury, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/179-purau-avenue)
- [Trees - General](https://www.chch.live/report/7621264), [63 Purau Port Levy Rd, Canterbury, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/63-purau-port-levy-road)
- [Public Toilet](https://www.chch.live/report/7490752), [187R Purau Avenue, Banks Peninsula, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/187r-purau-avenue)
- [Dumped Rubbish](https://www.chch.live/report/7420012), [193 Purau Avenue, Purau 8972, New Zealand](https://www.chch.live/diamond-harbour/193-purau-avenue)
- [Trees - General](https://www.chch.live/report/7325348), [68 Purau Port Levy Rd, Canterbury, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/68-purau-port-levy-road)
- [Hazard, vehicle](https://www.chch.live/report/7211906), [183 Purau Avenue, Diamond Harbour, Purau 8972, New Zealand](https://www.chch.live/diamond-harbour/183-purau-avenue)
- [Hazard, vehicle](https://www.chch.live/report/7136958), [187R Purau Avenue, Banks Peninsula, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/187r-purau-avenue)
- [Damaged Road](https://www.chch.live/report/7061851), [63 Purau Port Levy Rd, Canterbury, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/63-purau-port-levy-road)
- [Fallen Tree](https://www.chch.live/report/7000831), [191 Purau Ave, Canterbury, Diamond Harbour 8972, New Zealand](https://www.chch.live/diamond-harbour/191-purau-avenue)
- [Damaged Road](https://www.chch.live/report/6994191), [183 Purau Avenue, Diamond Harbour, Purau 8972, New Zealand](https://www.chch.live/diamond-harbour/183-purau-avenue)

## Questions, answered briefly

**How long is Purau Stream?**

6.9 km as mapped, 1 way in the open map, crossing 2 suburbs.

**Which suburbs does Purau Stream pass through?**

Diamond Harbour, Port Levy.

**What else is Purau Stream called?**

The map also records “Purau”, 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 line is OpenStreetMap’s, named ways tagged river, stream, drain or canal inside the city boundary, merged by name (ODbL). Centrelines, not banks; the live gauges are instruments, kept at https://www.chch.live/rivers.
The page: https://www.chch.live/river/purau-stream
Every waterway as data: https://www.chch.live/waterways.geojson
The whole roll: https://www.chch.live/river