Greg Ryder Email & Phone Number

I am an independent Environmental Scientist and RMA commissioner based in Ōtepoti / Dunedin. I have been a former Director and Environmental Scientist at Ryder Environmental, a consulting company I established in 1995. I have worked as a consultant for over 30 years undertaking investigations and studies throughout New Zealand. Major study areas include effects of agricultural land use, mining, gravel extraction, hydro-electric schemes, irrigation, urban stormwater and various industrial and municipal sewage discharges on freshwater and coastal ecosystems.I have acted as an expert witness and have presented evidence at 39 resource consent hearings, nine Environment Court hearings, and several Plan Change, Water Conservation Order, and EPA hearings. I have particular expertise in water, wastewater and leachate characterisation, effluent toxicity, biological data interpretation, data analysis, minimum flow setting and consent condition interpretations.In my role as an independent commissioner, I have sat on 30 RMA hearings on proposals associated with hydro-electric power development, dairy conversions, marine farming, ski-field development, major water abstractions and wastewater discharges (including ocean outfalls), as well as plan changes.In February 2020 I was appointed to the Board of the EPA and in September 2020 I was appointed as a Freshwater Commissioner under the Resource Management Amendment Act 2020.

Listed skills include Environmental Impact Assessment, Environmental Management Systems, Environmental Awareness, Ecology, and 22 others.

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  University Of Otago

  Bsc. Honours (1St Class In Zoology), Phd. (Zoology)