Discharge Monitoring Report (DMR) Pollutant Loading Tool
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Note: The tool uses discharge monitoring report (DMR) data from ICIS-NPDES and PCS to calculate pollutant discharge amounts. EPA has verified the accuracy of the tool’s calculations. EPA has also performed a limited review of the underlying data that has focused on facilities with the largest amounts of pollutant discharges. Due to the large amount of DMR data, additional errors exist in ICIS-NPDES and PCS. Please see the User’s Guide (29 pp, 2.6MB), Frequently Asked Questions and Answers, and Error Correction page for instructions on how to use the tool and how to correct errors in ICIS-NPDES and PCS. You can send an email to waterloadings@epa.gov with any comments or questions about the tool. You can sign up for our e-mail news bulletin and be notified when new data, enhancements, or training materials are available. The tool also uses wastewater pollutant discharge data from the Toxics Release Inventory (TRI).
Your Feedback is Welcome
We are continually working to improve the DMR Pollutant Loading Tool and welcome user feedback. You can send an e-mail to waterloadings@epa.gov with any comments or questions about the tool. We try to get back to users within a few days.
You are also welcome to sign up for our Loading Tool E-mail News Bulletin. We use this bulletin to announce when new data, enhancements, or training materials are available. You can unsubscribe at any time and we plan on releasing a bulletin approximately once a quarter.
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