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Title: Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme
Author: National Rivers Authority South Western Region
Document Type: Monograph
Abstract:
Biological surveys of the River Erme in relation to the effects of the Ivybridge Sewage Treatment Works were carried out in November 1986, June and November 1987 and April 1988. Biological samples indicate water quality in the River Erme upstream of the Wiggins Teape discharge has regained excellent at all times. The discharge from Wiggins Teape was found to have a deleterious effect on the aquatic invertebrate fauna downstream. These effects were exacerbated by the discharge from Ivybridge Sewage Treatment Vforks and by poor quality discharges frcm the Old Mill Stream and the Wbodland Stream. Effects on the invertebrate fauna, downstream of Ivybridge Sewage Treatment Work were found to be more significant in the Spring, probably as a result of the extended operation of Ivybridge Sewage Treatment Works storm overflow at this time.
Publisher: National Rivers Authority
Publication Date: 1988
Publication Place: Exeter
Subject Keywords: Biological monitoring; Sewage treatment; Rivers; Water quality; Water quality measurements; Macroinvertebrates; BMWP
Geographic Keywords: Erme; South Devon catchment; Devon
Extent: 4; + figures and tables
Permalink: http://www.environmentdata.org/archive/ealit:2759
Total file downloads: 0

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