Moanataiari Project Phases 4 & 5

This project is now completed. The Council has decided not to implement a physical works approach to Moanataiari because of the low risk to human health. See the media release on the right-hand side of the page for more information.



In October and November 2011, the Waikato Regional Council conducted soil tests at the Moanataiari subdivision in Thames.

The testing occurred because of the subdivisions known history as reclaimed land using burden and unprocessed tailings from local mines in the early to mid-twentieth Century as well as local rock from surrounding hills.

Preliminary results back from the tests indicate that there are elevated levels of naturally occurring arsenic and lead in the soil and sub straights. The arsenic is not an introduced chemical in the mining process, but a naturally occurring trace element often found alongside other minerals and elements like gold.

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Waikato District Health Board

General public health enquiries: 
Health Protection Unit 
Phone: 07 838 2569

Personal health enquiries:
Contact your local GP or Medical Centre; they have been briefed by the District Health Board and will be able to assist you with personal health enquiries.