Water Quality and Hydrologic Characteristics of a Wet Detention Pond

by Betty Rushton, Southwest Florida Water Management, District, Brooksville, United States,

Document Type: Proceeding Paper

Part of: Water Resources Planning and Management: Saving a Threatened Resource—In Search of Solutions


A small wet detention pond was instrumented to determine treatment efficiencies. Annual loads showed a reduction from the inflow to the outflow for ammonia as nitrogen (39%), organic nitrogen (59%), nitrate + nitrate (65%), ortho-phosphate (67%), total phosphate (65%), total zinc (50%), total cadmium (52%), total iron (25%) and total suspended solids (56%). Pollutants found in rainfall often exceeded concentrations found in water collected at the inflow suggesting aerial deposition is a major pathway for some constituents.

Subject Headings: Water quality | Water treatment | Detention basins | Hydrology | Retention basins | Water management | Water conservation | Water pollution | Florida | United States

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