NZ: Progress made on geothermal environmental compliance.

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Environment Bay of Plenty monitoring has shown a major turnaround in the way people are complying with resource consent conditions for bore use. At the moment, 85% of consent holders are in the top categories for compliance. Three years ago, that figure was only 21%.

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Mr Collins says six sites still rated as poor because they did not have re-injection systems. Historically production bore systems discharged spent geothermal fluid in shallow soak holes. They are now required to re-inject the fluid into the ground at the same depth as it was removed. This helps keep the geothermal field in good health.

http://www.scoop.co.nz/stories/AK0510/S00154.htm