# The dangerous work

906 Christchurch parcels sit on the council’s hazardous-activities register, the HAIL, the list every region keeps of land where contaminating trades ran or are suspected to have run. About 1,502 hectares in all: petrol stations, chemical works, metal finishing, the odd sheep dip and gasworks.

## The register, by the work

- **Chemical manufacture, application and bulk storage**, 401 parcels · 364.2 ha (175 current · 135 former · 86 remediated)
- **Vehicle refuelling, service and repair**, 260 parcels · 194.4 ha (214 current · 40 former · 6 remediated)
- **Cemeteries and waste recycling, treatment and disposal**, 156 parcels · 713.3 ha (38 current · 100 former · 9 remediated)
- **Metal extraction, refining and reprocessing, storage and use**, 39 parcels · 20.9 ha (26 current · 13 former · 0 remediated)
- **Mineral extraction, refining and reprocessing, storage and use**, 23 parcels · 59.8 ha (7 current · 13 former · 3 remediated)
- **Any other land that has been subject to the intentional or accidental release of a hazardous substance in sufficient quantity that it could be a risk to human health or the environment**, 16 parcels · 25.2 ha (3 current · 7 former · 3 remediated)
- **Explosives and ordinances production, storage and use**, 7 parcels · 122.8 ha (3 current · 4 former · 0 remediated)
- **Any land that has been subject to the migration of hazardous substances from adjacent land in sufficient quantity that it could be a risk to human health or the environment**, 3 parcels · 0.6 ha (2 current · 0 former · 1 remediated)
- **Electrical and electronic works, power generation and transmission**, 1 parcel · 0.6 ha (0 current · 0 former · 1 remediated)

## Where the listed ground sits, by suburb

- Christchurch Central City: 82 parcels · 34 still doing the work
- Addington: 81 parcels · 54 still doing the work
- Sydenham: 75 parcels · 39 still doing the work
- Waltham: 51 parcels · 36 still doing the work
- Woolston: 49 parcels · 21 still doing the work
- Bromley: 45 parcels · 34 still doing the work
- Hornby South: 30 parcels · 12 still doing the work
- Islington: 30 parcels · 19 still doing the work
- Linwood: 23 parcels · 4 still doing the work
- Wigram: 23 parcels · 14 still doing the work
- Hornby: 21 parcels · 17 still doing the work
- Phillipstown: 21 parcels · 15 still doing the work
- Belfast: 19 parcels · 12 still doing the work
- New Brighton: 18 parcels · 9 still doing the work
- Sockburn: 16 parcels · 7 still doing the work

_Each listed parcel files under the suburb its exterior’s middle sits in, the count of parcels, their hectares, and the kinds of work. A listing records the work, not a soil test._

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Christchurch City Council open data, the ContaminatingActivity layer of OpenData/LandCharacteristic, the region’s HAIL register. A listing records the work, not a soil test, "not verified" entries are leads, not findings. A point’s own record: https://www.chch.live/before. The files: https://www.chch.live/hazards.json · https://www.chch.live/hazards.geojson · by suburb: https://www.chch.live/suburb-hazards.json