ESTIMATING NONPOINT SOURCE POLLUTANT LOADING FOR WATER QUALITY MANAGEMENT PLANNING
Abstract:Executive Order 109, signed on January 11, 2000, reinforced the New Jersey Department of Environmental Protection's (NJDEP) role in determining what, if any, alternatives analyses must be conducted as part of an application for approval of a wastewater management plan or plan amendment. As a result, the NJDEP, Division of Watershed Management was charged with identifying appropriate measures by which analyses for EO-109 would be conducted for approval. Analyses in this context have included: a nonpoint source pollutant (NPS) loading analysis, hydromodification analysis, riparian buffer analysis, depletive and consumptive water use analysis, and a groundwater quality analysis. The focus of this paper is to discuss the approach taken by the NJDEP to address the NPS analysis. A method commonly used to estimate nonpoint source loads incorporate the use of annual loading or export coefficients (LCs). This method was chosen to estimate pollutant loading from project areas subject to EO-109 to address pre to post-pollutant loading that result from changes in landuse. Given the variability associated with literature LCs for any given pollutant and land use type, the NJDEP entered into a contract with the USEPA, Region 2, for the purpose of developing a tool to identify appropriate LCs for use in New Jersey. The resulting Loading Coefficient Analysis and Selection Tool (LCAST) is a database querying routine that assists in the LC selection process and provides an output matrix of loading coefficients for a specified pollutant and land use. The pollutant loading values generated by LCAST can then be exported and applied using BASINS 3.0 PLOAD for modeling of annual NPS pollutant loading.
Document Type: Research Article
Publication date: 2002-01-01
More about this publication?
- Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. A subscription to the Proceedings of the Water Environment Federation includes access to most papers presented at the annual WEF Technical Exhibition and Conference (WEFTEC) and other conferences held since 2000. Subscription access begins 12 months after the event and is valid for 12 months from month of purchase. A subscription to the Proceedings of the Water Environment Federation is included in Water Environment Federation (WEF) membership.
WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access. Access begins 12 months after the conference or event
- Subscribe to this Title
- Membership Information
- About WEF Proceedings
- WEFTEC Conference Information
- Learn about the many other WEF member benefits and join today
- Ingenta Connect is not responsible for the content or availability of external websites