How Whanganui's Tasman Tanning plans to improve environmental record 4 Mar, 2021 04:00 PM 2 minutes to read Tasman Tanning is continuing to work on improving its trade waste. Photo / Bevan Conley Laurel Stowell is a reporter for the Whanganui Chroniclelaurel.stowell@whanganuichronicle.co.nzWhangaChron Whanganui's Tasman Tanning expects to drop its effluent waste and chromium levels to significantly below the district council's allowable limits by the end of the year, chief executive Neville Dyer says. The tannery breached its wastewater consents 570 times in the last year, it was reported in January. Tasman Tanning contributes only 5 per cent of the water treated by the Whanganui wastewater treatment plant - but 25 per cent of the solids.