Utility Options for Meeting Dissolved Oxygen Limits for Hydroelectric Power Plant Discharges

by J. Fuss,
D. Rastler,



Document Type: Proceeding Paper

Part of: Waterpower '89

Abstract: Due to increased attention by regulating agencies to the dissolved oxygen levels of water released through hydroelectric power plants, the Electric Power Research Institute has developed a Utility Guide and a General Reference Manual as an aid to understanding and meeting dissolved oxygen criteria in permit requirements. Through an overall description of reservoir stratification and the circumstances that can lead to low dissolved oxygen levels, the guide begins with a general test to determine if a particular site is likely to encounter the problem. If low levels of dissolved oxygen are possible, a detailed procedure is recommended to 1) determine the site-specific conditions; 2) identify the applicable dissolved oxygen criteria; 3) determine if the site is within compliance; and 4) arrive at the best mitigation alternative. Additional aspects of the subject are referred to in this abstract.

Subject Headings: Dissolved oxygen | Hydro power | Electric power | Power plants | Water supply systems | Permits | Water pollution | Water level

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