UST Performance Measures

EPA collects data from states, territories, and the District of Columbia regarding UST performance measures. EPA provides data on work in Indian country, since the Agency implements the program there. These data include information such as the number of active and closed petroleum tanks and hazardous substance tanks, releases confirmed, cleanups initiated and completed, and inspections conducted.  These data also include the percentage of facilities in significant operational compliance and those in compliance with UST technical requirements, operator training, financial responsibility, and walk through requirements.  The reports below provide data in table format for the reporting period indicated.

Definitions

State and territory underground storage tank programs report to EPA periodically throughout the year with data on their UST performance, based on measures in the 2022 UST and LUST Performance Measures Definitions (pdf) (189.18 KB) . EPA compiles the data for all states, territories, and Indian country and makes the data publicly available below.

Semiannual Reports of UST Performance Measures

OUST collects and publishes data from states, territories and EPA regions for Indian country semiannually within each fiscal year.  For earlier reports, please visit EPA’s Archive.

• Mid-Year FY 2025 (October 1, 2024 through March 31, 2025) (pdf) (1.15 MB, May 2025)
• End of Year FY 2024 (October 1, 2023 through September 30, 2024 (pdf) (979.33 KB)
• Mid-Year FY 2024 (October 1, 2023 through March 31, 2024) (pdf) (1.12 MB)
• End of Year FY 2023 (October 1, 2022 through September 30, 2023 (pdf) (1.28 MB)
• Mid-Year FY 2023 (October 1, 2022 through March 31, 2023) (pdf) (974.09 KB)
• End of Year FY 2022 (October 1, 2021 through September 30, 2022) (pdf) (1.81 MB)
• Mid-Year FY 2022 (October 1, 2021 through March 31, 2022) (pdf) (1.67 MB)
• End of Year FY 2021 (October 1, 2020 through September 30, 2021) (pdf) (1.66 MB)
• Mid-Year FY 2021 (October 1, 2020 through March 31, 2021) (pdf) (1.24 MB)
• End of Year FY 2020 (October 1, 2019 through September 30, 2020) (pdf) (1.14 MB)
• Mid-Year FY 2020 (October 1, 2019 through March 31, 2020) (pdf) (1.45 MB)
• End of Year FY 2019 (October 1, 2018 through September 30, 2019) (pdf) (729.2 KB)
• Mid-Year FY 2019 (October 1, 2018 through March 31, 2019) (pdf) (4.22 MB)
• End of Year FY 2018 (October 1, 2017 through September 30, 2018) (pdf) (1.45 MB)
• Mid-Year FY 2018 (October 1, 2017 through March 31, 2018) (pdf) (1.26 MB)
• End of Year FY 2017 (October 1, 2016 through September 30, 2017) (pdf) (485.43 KB)
• Mid-Year FY 2017 (October 1, 2016 through March 31, 2017) (pdf) (480.67 KB)
• End of Year FY 2016 (October 1, 2015 through September 30, 2016) (pdf) (912.21 KB)
• Mid-Year FY 2016 (October 1, 2015 through March 31, 2016) (pdf) (266.63 KB)
• End of Year FY 2015 (October 1, 2014 through September 30, 2015) (pdf) (348.99 KB)
• Mid-Year FY 2015 (October 1, 2014 through March 31, 2015) (pdf) (414.11 KB)
• End of Year FY 2014 (October 1, 2013 through September 30, 2014) (pdf) (442.41 KB)
• Mid-Year FY 2014 (October 1, 2013 through March 31, 2014) (pdf) (484.27 KB)
• End of Year FY 2013 (October 1, 2012 through September 30, 2013) (pdf) (470.34 KB)
• Mid-Year FY 2013 (October 1, 2012 through March 31, 2013) (pdf) (326.1 KB)
• End of Year FY 2012 (October 1, 2011 through September 30, 2012) (pdf) (396.15 KB)
• Mid-Year FY 2012 (October 1, 2011 through March 31, 2012) (pdf) (326.64 KB)
• End of Year FY 2011 (October 1, 2010 through September 30, 2011) (pdf) (477.49 KB)
• Mid-Year FY 2011 (October 1, 2010 through March 31, 2011) (pdf) (222.12 KB)
• End of Year FY 2010 (October 1, 2009 through September 30, 2010) (pdf) (417.39 KB)
• Mid-Year FY 2010 (October 1, 2009 through March 31, 2010) (pdf) (498.17 KB)
• End of Year FY 2009 (October 1, 2008 through September 30, 2009) (pdf) (320.49 KB)
• Mid-Year FY 2009 (October 1, 2008 through March 31, 2009) (pdf) (582.8 KB)
• End of Year FY 2008 (October 1, 2007 through September 30, 2008) (pdf) (275.66 KB)
• Mid-Year FY 2008 (October 1, 2007 through March 31, 2008) (pdf) (387.71 KB)
• End of Year FY 2007 (October 1, 2006 through September 30, 2007) (pdf) (209.16 KB)
• Mid-Year FY 2007 (October 1, 2006 through March 31, 2007) (pdf) (198.27 KB)
• End of Year FY 2006 (October 1, 2005 through September 30, 2006) (pdf) (202.45 KB)
• Mid-Year FY 2006 (October 1, 2005 through March 31, 2006) (pdf) (135.15 KB)
• End of Year FY 2005 (April 1, 2005 through September 30, 2005) (pdf) (136.73 KB)
• Mid-Year FY 2005 (October 1, 2004 through March 31, 2005) (pdf) (311.23 KB)