NSW government document changed to make impacts of raising Warragamba Dam wall ‘less definite’

Exclusive: review finds consultants were directed to make changes so impacts on biodiversity would be indirect'

• Follow our Australia news live blog for the latest updates
• Get our free news app, morning email briefing or daily news podcast

A key government document outlining the impact of the $1.6bn plan to raise the Warragamba Dam wall was changed to make the project's consequences for an area of world heritage-listed environment appear less definite".

The robustness of a peer review of an environmental impact statement (EIS) may also have been compromised" because the agency charged with getting approval for the dam raising, WaterNSW, did not act in accordance with best practice".

Sign up to receive an email with the top stories from Guardian Australia every morning