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Data are retrieved from EPA source databases and posted to Envirofacts at various intervals. Below you will find the most recent dates that data were retrieved and posted to Envirofacts along with the frequency of these updates.
| System | Retrieved | Posted | Update Frequency |
|---|---|---|---|
| Assessment, Cleanup and Redevelopment Exchange System (ACRES) | 04/01/2023 | 04/01/2023 | Updated Weekly |
| Biennial Reporting (BR) | 11/13/2022 | 11/15/2022 | Updated Monthly |
| Facility Registry System (FRS) | 01/09/2023 | 01/09/2023 | Updated Weekly |
| Greenhouse Gas Reporting Program (GHGRP) | 10/05/2022 | 10/05/2022 | 2021 data is now available |
| Integrated Compliance Information System (ICIS) | 08/18/2023 | 08/23/2023 | Updated Weekly |
| Integrated Compliance Information System (ICIS) - Air | 08/18/2023 | 08/23/2023 | Updated Weekly |
| Information Collection Rule (ICR) | 05/17/2000 | Final Data Update Complete. |
|
| Locational Information | Weekly | Weekly | Updated Weekly |
| National Emissions Inventory (NEI) | 05/14/2020 | 05/20/2020 | Next update 2023, with 2020 Inventory Year data |
| Next Generation Grants System (NGGS) | 03/25/2023 | 03/25/2023 | Updated Daily |
| Permit Compliance System (PCS) | 11/11/2012 | 11/12/2012 | Final Data Update Complete. * |
| Resource Conservation and Recovery Act Information (RCRAInfo) | 11/13/2022 | 11/15/2022 | Updated Monthly |
| RadNet, formerly Environmental Radiation Ambient Monitoring System | 12/07/2022 | 12/08/2022 | |
| Safe Drinking Water Information System (SDWIS) | 04/18/2023 | 04/26/2023 | Updated Quarterly |
| Superfund Enterprise Management System (SEMS) | 01/02/2023 | 01/02/2023 | Updated Monthly |
| TRI Explorer | 05/18/2023 | 05/24/2023 | 2021 data is now available |
| Toxics Release Inventory (TRI) | 09/26/2023 | 09/26/2023 | TRI 2022 data is now available |
* As of June 6th, 2006, the data for the Permit Compliance System (PCS) is frozen in Envirofacts for the following states: MA, NH, RI, VI, PR, DC, MD, IN, NM, UT, HI, AK, ID
Frozen as of August, 2006: AS,AT,CT,CZ,FM,GA,GB,GU,JA,MH,MP,MT,MW,NE,NI,NN,NV,NY,PA,PW,SD,SR,TT,UM
Frozen as of April 24th, 2008: IL
Frozen as of August 26th, 2008: AR,CA,CO,OK,TN,WI
Frozen as of June 17th, 2009: TX, LA, GM, AL
Frozen as of February 17, 2011: MN, MO, OH, FL, KY
Frozen as of March 1st, 2012: DE
Frozen as of Nov 29, 2012: AZ, IA, KS, ME, MS, NC, ND, NJ, OR, SC, VA, VT, WA, WV, WY