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Title: Trewinnard Manor Pond pollution incident November 1990 : draft internal report
Author: Geoff Bowen
Document Type: Monograph
Annotation: EA additional title info: December 1990
As a result of a pollution Incident of the River Hayle reported on the 21st November 1990, a wildlife pond adjacent to the river immediately upstream of the St. Erth gauging station was identified to be discharging a septic looking effluent Subsequent investigation of the pond identified anaerobic conditions with particularly high BOD, ammonia and hydrogen sulphide gas. This report describes the groundwater regime in the vicinity of the pond and the potential for contamination from existing waste disposal sites nearby. A specification for further ground investigation has been included along with the cost implications to the Authority.
Publisher: National Rivers Authority
Publication Date: 1990
Publication Place: Exeter
Subject Keywords: RiversWater pollutionPondsEffluents
Geographic Keywords: EA South WestHayle (Cornwall)West Cornwall and the Fal catchment
Extent: 8;+ maps
Total file downloads: 10

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