Key Infrastructure (324)
| Ministry of Defence |
| Inland Port |
| Seaport |
| Transpower |
| Orion |
| Telecomunications |
| Telecommunications |
| Quarry |
| Te Puna Wai ō Tuhinapo - Youth Justice Residence |
| Rolleston Prison |
| Resorce Recovery Park |
| Dairy Processing Plant |
| Wastewater Treatment Plant |
| International Airport |
Ministry of Defence (274)
Midland port (295)
Metro Port (308)
Seaport (318)
Transpower (300)
Transpower main lines (82)
Orion (311)
Chorus (292)
Spark (305)
Quarry (289)
Te Puna Wai ō Tuhinapo - Youth Justice Residence (284)
Rolleston Prison (285)
Resource Recovery Park (286)
Dairy Processing Plant (316)
Wastewater Treatment Plant (0)
Selwyn Water Supply Intake Abstraction Points (332)
Christchurch International Airport (401)
Airport 50 dB Ldn Noise Control Overlay (402)
Airport 55 dB Ldn Noise Control Overlay (403)
50dBA Ldn (404)
55dBA Ldn (405)
65dBA Ldn (406)
Outer_Envelope_Air_Noise_Boundary_Aug_2023 (407)
50dBA Ldn (408)
55dBA Ldn (409)
65dBA Ldn (410)
Annual Average Air Noise Boundary (ANB) (411)
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