Resource consents require that OceanaGold provide to the Council regular monitoring reports on: noise; vibration; complaints; the location of underground workings; filled and unfilled stopes, seismic & rock movement; ground stability and ground settlement. OceanaGold NZ Ltd owns and operates the Martha open pit mine and the Favona, Trio, Correnso and Slevin underground mines – all of which are in Waihi. Monitoring reports received are made available to the public on this page of the Hauraki District Council’s website as well as on OceanaGold’s website.
View the key monitoring information on:
- Correnso Location of Underground Workings - Monthly Mine Development Plan
- Correnso Stability
- Correnso/SUPA Filled/Unfilled Stopes & Seismic & Rock Movement Monitoring
- Correnso Social Impact Management Plan – 2015 Annual Report
- Noise
- Vibration
- Complaints
- Dewatering & Ground Settlement
- Union Hill Heritage Features
- Trio Stability
For privacy reasons the data has had all references removed that would allow for the identification of individual people or properties.
The following documents are presented in Adobe Acrobat format 
. If you do not have Adobe Acrobat Reader, please visit www.adobe.com to download a free copy of the reader.
Correnso/SUPA Location of Underground Workings
Monthly Mine Development Plan
Explanation of verification of the location of underground workings to the surface (97 KB)
- The East Ender March 2019 [PDF, 1.6 MB]
- The East Ender February 2019 [PDF, 1.8 MB]
- The East Ender January 2019 [PDF, 2 MB]
- The East Ender December 2018 [PDF, 3.7 MB]
- The East Ender November 2018 [PDF, 2.2 MB]
- The East Ender October 2018 [PDF, 1.6 MB]
- The East Ender September 2018 [PDF, 2.6 MB]
- The East Ender August 2018 [PDF, 2.4 MB]
View earlier Underground Workings reports
Correnso/SUPA/MDDP Stability
- Correnso/SUPA/MDDP Annual Stability Report 2017 [PDF, 2 MB]
- Correnso Annual Stability Report 2016 [PDF, 1.9 MB]
- Correnso Annual Stability Report 2015 [PDF, 2.4 MB]
- Correnso Annual Stability Report 2014 (2.15 MB)
Correnso/Supa Filled/Unfilled Stopes & Seismic & Rock Movement Monitoring
Summary Explanation on Seismic & Rock Movement Monitoring (298 KB)
- Stopes, Seismic & Rock movement report February 2019 [PDF, 417 KB]
- Stopes, Seismic & Rock movement report January 2019 [PDF, 417 KB]
- Stopes, Seismic & Rock movement report December 2018 [PDF, 418 KB]
- Stopes, Seismic & Rock movement report November 2018 [PDF, 417 KB]
- Stopes, Seismic & Rock movement report October 2018 [PDF, 426 KB]
- Stopes, Seismic & Rock movement report September 2018 [PDF, 427 KB]
- Stopes, Seismic & Rock movement report August 2018 [PDF, 427 KB]
View earlier Stopes, Seismic & Rock Movement Monitoring reports
Correnso Social Impact Management Plan – Annual Reports
- Correnso Social Impact Management Plan – 2017 Annual Report [PDF, 2.2 MB]
- Correnso Social Impact Management Plan – 2016 Annual Report [PDF, 2.5 MB]
- Correnso Social Impact Management Plan – 2015 Annual Report [PDF, 1.5 MB]
Noise
- OGNZ Noise Report - 4th Qtr 2018 [PDF, 592 KB]
- OGNZ Noise Report - 3rd Qtr 2018 [PDF, 594 KB]
- OGNZ Noise Report - 2nd Qtr 2018 [PDF, 331 KB]
- OGNZ Noise Report - 1st Qtr 2018 [PDF, 325 KB]
- OGNZ Noise Report - 4th Qtr 2017 [PDF, 593 KB]
- OGNZ Noise Report - 3rd Qtr 2017 [PDF, 589 KB]
- OGNZ Noise Report - 2nd Qtr 2017 [PDF, 555 KB]
- OGNZ Noise Report - 1st Qtr 2017 [PDF, 555 KB]
Vibration
- OGNZ Vibration Report - 4th Qtr 2018 [PDF, 1.7 MB]
- OGNZ Vibration Report - 3rd Qtr 2018 [PDF, 1.5 MB]
- OGNZ Vibration Report - 2nd Qtr 2018 [PDF, 1.2 MB]
- OGNZ Vibration Report - 1st Qtr 2018 [PDF, 1.2 MB]
- OGNZ Vibration Report - 4th Qtr 2017 [PDF, 1.4 MB]
- OGNZ Vibration Report - 3rd Qtr 2017 [PDF, 1.5 MB]
- OGNZ Vibration Report - 2nd Qtr 2017 [PDF, 1.2 MB]
- OGNZ Vibration Report - 1st Qtr 2017 [PDF, 1.8 MB]
View earlier Vibration Reports
Complaints
- Complaints report Jul - Dec 2018 [PDF, 937 KB]
- Complaints List Correnso Jul - Dec 2018 [PDF, 521 KB]
- Concerns List Jul - Dec 2018 [PDF, 358 KB]
- Complaints report Jan - Jun 2018 [PDF, 463 KB]
- Complaints list Martha Jan - Jun 2018 [PDF, 517 KB]
- Complaints list Correnso Jan - Jun 2018 [PDF, 584 KB]
- Concerns List Jan - Jun 2018 [PDF, 511 KB]
View earlier Complaints Reports
Dewatering & Ground Settlement
- Dewatering & Settlement Report 2017 [PDF, 9.7 MB]
- Dewatering & Settlement Report 2016 [PDF, 6.8 MB]
- Dewatering & Settlement Report 2015 [PDF, 5.3 MB]
- Dewatering & Settlement Report 2014 (7.15 MB)
- Dewatering & Settlement Report 2013 (6.05 MB)
- Dewatering & Settlement Report 2012 (5.23 MB)
Union Hill Heritage Features
- Union Hill Heritage Feature monitoring Report 2017 [PDF, 274 KB]
- Union Hill Heritage Feature monitoring Report 2016 [PDF, 149 KB]
- Union Hill Heritage Feature monitoring Report 2015 [PDF, 67 KB]
- Union Hill Heritage Feature Monitoring Report 2014 (3.04 MB)
Trio Stability
- Trio Stability Report 2018 [PDF, 770 KB]
- Trio Stability Report 2017 [PDF, 590 KB]
- Trio Stability Report 2015-16 [PDF, 4.7 MB]
- Trio Stibility Report 2014-15 (725 KB)
- Trio Stibility Report 2013-14 (1.03 MB)
