# Bottle Lake vs Kainga, the record side by side

| | [Bottle Lake](https://www.chch.live/bottle-lake) | [Kainga](https://www.chch.live/kainga) |
|---|---|---|
| Population | **1,090 (2023)** | 480 (June 2025) |
| 2023 Census (SA1 join) | **4,011 (indicative)** | 759 (indicative) |
| Census households | **1,479** | 264 |
| Under 15 (Census) | **20%** | 19% |
| 65+ (Census) | **16%** | 13% |
| Area | **12.44 km²** | 2.88 km² |
| People per km² | 88 | **167** |
| Reports filed | **549** | 406 |
| Rank on the roll | **85th of 108** | 91st of 108 |
| Reports per km² | 44 | **141** |
| First report on record | 2015 | 2015 |
| Busiest day | 2024-11-07 (9 reports) | **2020-09-04 (11 reports)** |
| Crashes on record | 6 (0 fatal · 2 serious) | **48 (2 fatal · 15 serious)** |
| Epicentres inside the outline | 4 (biggest M3.7) | — |
| Of the outline, red-zoned | — | — |
| The 2011 grade | — | TC2 (7.6% of the outline) |
| Flooded on record | 34.3% (2 events) | — |
| The sea’s reach | **12% of the outline** | 9% of the outline |
| Slope-hazard bands | — | — |
| The remembered ground | 1% of the outline (+1% silent-file) | — |
| The wild ledger | 10% of the outline | **13% of the outline** |
| The kept view | 14% of the outline | **26% of the outline (+26% outstanding)** |
| The waiting water | **2% high-hazard (31% managed), 14 ponding** | 2% high-hazard (37% managed) |
| The quiet lines | — | — |
| The drawn water | 12 reaches (Treleavens Drain, Styx River), 2% setback strips, held edge | **26 reaches (Northern Plant Drain, Northern Plant Drain Branch), 17% setback strips, held edge** |
| The allowed shape | — | — |
| The rebuild’s receipts | 12 frames filed (2012–2015) | **140 frames filed (2010–2013)** |
| The pedal network | 0.0 km inside the outline | **0.0 km inside the outline** |
| The remembered names | — | 2 plaques, Riverlea Recreation Reserve, Riverlea Estates Reserve |
| The rules on the ground | **3 drawn rules, Te Ngai Tuahuriri Runanga** | 1 drawn rule, Te Ngai Tuahuriri Runanga |
| On the hazard register | — | 5 parcels (5 current) |
| Made ground on file | 9 parcels (all vouched or natural) | 17 parcels (1 unvouched) |
| Surveyed rocks | — | — |
| Cleanups on file | — | — |
| The model’s verdict | possible (94% of the outline) | possible (100% of the outline) |
| Engineered defences | — | — |
| The canopy | 132 trees (1 veteran, 32 remembered felled) | **599 trees (58 veterans, 128 remembered felled)** |
| The plan’s word | Open Space Natural (60% of the outline) | Industrial Heavy (29% of the outline) |
| The plan’s reservations | — | 1% of the outline (1 designation, movement) |
| The plan’s exceptions | — | — |
| The listed city | — | — |
| The usual complaints | Dumped Rubbish (141), Rubbish/Recycling (57), Park - General Request (47) | Dumped Rubbish (69), Parks (53), Graffiti (47) |
| Schools | 0 | 0 |
| Parks | 4 | 4 |
| Facilities | 0 | 0 |
| Tracks | **1** | 0 |
| Bus stops | — | 4 |
| Bus routes through | — | 1 |
| Heritage places | 0 | **1** |

Same record, same caveats, the stream counts reports, not virtue.

## Questions, answered briefly

**What is the difference between Bottle Lake and Kainga?**

Bottle Lake counts 1,090 people (2023) to Kainga's 480; Bottle Lake covers 12.44 km², Kainga 2.88 km²; the record holds 549 reports for Bottle Lake and 406 for Kainga.

**Which has more heritage places, Bottle Lake or Kainga?**

Kainga, 1 on the heritage register to the other’s 0.

**Where do these numbers come from?**

The same public record for both, council reports, the crash register, the heritage schedule, Stats NZ’s counts. The stream counts reports, not virtue; the caveats are each suburb’s own.

HTML: https://www.chch.live/compare?a=bottle-lake&b=kainga
Data: https://api.chch.live/suburb?slug=bottle-lake · https://api.chch.live/suburb?slug=kainga