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Description: Nutrient Permitting in Newport Bay Using a Simplified Modeling Approach
Nutrient Permitting in Newport Bay Using a Simplified Modeling Approach
Abstract
The objective of this paper is to provide the technical background (data analysis and modeling) that led to the Irvine Ranch Water District (IRWD) successfully obtaining a NPDES permit for a new diversion to San Diego Creek from the Michelson Water Recycling Plant (MWRP) during wet weather conditions. Data analyses provided the background on existing water quality issues and trends, time periods of sensitive water quality, and current baseline water quality conditions. The modeling effort used a hydrodynamic model to calculate tidal circulation in the downstream Newport Bay and provided estimates of nutrient effects due to the diversion and bay flushing times during wet weather periods.
The objective of this paper is to provide the technical background (data analysis and modeling) that led to the Irvine Ranch Water District (IRWD) successfully obtaining a NPDES permit for a new diversion to San Diego Creek from the Michelson Water Recycling Plant (MWRP) during wet weather conditions. Data analyses provided the background on existing water quality issues and trends, time periods of sensitive water quality, and current baseline water quality conditions. The modeling effort used a hydrodynamic model to calculate tidal circulation in the downstream Newport Bay and provided estimates of nutrient effects due to the diversion and bay flushing times during wet weather periods.
SpeakerThuman, Andrew
Presentation time
09:10:00
09:30:00
Session time
08:30:00
10:10:00
SessionResiliency Runway: New Trends in Modeling
Session number526
TopicResilience, Disaster Planning and Recovery, Utility Management and Leadership, Watershed Management, Water Quality, and Groundwater
TopicResilience, Disaster Planning and Recovery, Utility Management and Leadership, Watershed Management, Water Quality, and Groundwater
Author(s)
A. ThumanA. ThumanG. EstradaN. KimD. RapantP. Cook
Author(s)A. Thuman1; A. Thuman1; G. Estrada2; N. Kim1; D. Rapant1; P. Cook3;
Author affiliation(s)HDR, NJ1; HDR, Inc., CA2; Irvine Ranch Water District, CA3
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Oct 2020
DOI10.2175/193864718825157494
Volume / Issue
Content sourceWEFTEC
Copyright2020
Word count11

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