20230905
16495400
1.0
TRUE
Combined Sewer Overflows
EPA ECHOCSONPDESCWA
The Enforcement and Compliance History Online (ECHO) system incorporates Combined Sewer Overflow (CSO) data from
EPA's Integrated Compliance Information System National Pollutant Discharge Elimination System (ICIS - NPDES) as
well as information on certain closed CSOs that are not in ICIS - NPDES.
<div style='text-align: Left; font-size: 12pt;'>
<p style='margin: 0 0 0 0;'>The National Combined Sewer Overflow Inventory was first published to ECHO in May 2023 to reflect the most current inventory of CSOs across the United States.</p>
<p style='margin: 0 0 0 0;'>These data are updated weekly.</p>
<p style='margin: 0 0 0 0;'>ICIS - NPDES is an information management system maintained by the EPA Office of Compliance to track permit compliance and enforcement status of facilities regulated by the</p>
<p style='margin: 0 0 0 0;'>National Pollutant Discharge Elimination System (NPDES) under the Clean Water Act (CWA). ICIS - NPDES is designed to support the NPDES program at the state, regional, and national levels.</p>
<p style='margin: 0 0 0 0;'>Please note that states are actively working to update and correct data in ICIS - NPDES.</p>
<p style='margin: 0 0 0 0;'>EPA estimates that approximately 80% of CSOs are included in the National Combined Sewer Overflow Inventory (as of May 2023).</p>
<p style='margin: 0 0 0 0;'>This feature service contains data from Active CSOs only. </p>
<p style='margin: 0 0 0 0;'>A zipped Comma Separated Value (CSV), zipped download file of both active and closed CSOs is available for download at <a style='text-decoration: underline;' href='https://echo.epa.gov/tools/data-downloads#downloads' rel='nofollow ugc'><span style='text-decoration: underline;'>https://echo.epa.gov/tools/data-downloads#downloads</span></a>.</p>
<p style='margin: 0 0 0 0;'>Search for the term "CSO" to find the link. Also at <a style='text-decoration: underline;' href='https://echo.epa.gov/tools/data-downloads/cso-inventory-summary' rel='nofollow ugc'><span style='text-decoration: underline;'>https://echo.epa.gov/tools/data-downloads/cso-inventory-summary</span></a>,</p>
<p style='margin: 0 0 0 0;'>a data dictionary on the data used in this feature service can be found.</p>
</div>
US EPA
<p>None</p>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