![]() ![]() Data are available for the years since 2007. The tool also includes wastewater pollutant discharge data from EPA's Toxics Release Inventory (TRI). Include information for facilities in all point source categories that discharge directly to receiving streams.Contains discharge data that facilities determine through effluent chemical analyses and metered flow and.Is national in scope, including data from all 50 states and 21 U.S.ICIS-NPDES also include information on the facility’s permit requirements, such as monitoring frequency. The permitting authority enters these data into ICIS-NPDES. Permit data include NPDES permit limits for water quality parameters (e.g., dissolved oxygen and temperature), specific chemicals (e.g., phenol), bulk parameters (e.g., biochemical oxygen demand), and flow. Facilities report pollutant discharge monitoring data in their DMR as mass-based quantities (e.g., pounds per day) and/or concentrations (e.g., mg/L) however, discharges are reported using a wide variety of units. The permitting authority then enters these data into ICIS-NPDES and checks whether the discharger is in compliance with the NPDES permit requirements. ICIS-NPDES is a database that automates entering, updating, and retrieving discharge monitoring and permit data.ĭischargers submit discharge monitoring data to their permitting authority using discharge monitoring report (DMR) forms. The Loading Tool uses discharge monitoring and permit data from Integrated Compliance Information System - National Pollutant Discharge Elimination System (ICIS-NPDES). ![]()
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