TRI Data Exchange
EPA's source for providing U.S. states, territorities and tribes with real-time access to TRI data using the Exchange Network. Exit Any state, territory or tribe may join TDX by entering into a Memorandum of Understanding (MOA) with EPA.
Advantages for Participants
- Simultaneous submission of TRI reporting forms to EPA and TDX participants, saving facilities resources
- Elimination of duplicate data entry, leading to improved data quality
- Synchronization of state/territorial/tribal data and EPA data
Click on the map for activation date, number of facilities and reporting forms
Alabama
Activation Date: September 12, 2011
TDX: Download Method Participant
RY15 State Facility Count: 563
RY15 State Form Count: 2175
Alaska
Activation Date: December 15, 2011
TDX: Node Transfer Method Participant
RY15 State Facility Count: 32
RY15 State Form Count: 218
American Samoa
TDX: Non-Participant
RY15 State Facility Count: 1
RY15 State Form Count: 3
Arizona
Activation Date: December 12, 2010
TDX: Node Transfer Method Participant
RY15 State Facility Count: 263
RY15 State Form Count: 879
Colorado River Indian Tribes of the Colorado River Indian Reservation
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 4
Gila River Indian Community
TDX: Non-Participant
RY15 Tribal Facility Count: 8
RY15 Tribal Form Count: 12
Navajo Nation, Arizona, New Mexico and Utah
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 20
Salt River Pima-Maricopa Indian Community of the Salt River Reservation
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 2
Tohono O'odham Nation
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 8
Arkansas
Activation Date: April 10, 2014
TDX: Download Method Participant
RY15 State Facility Count: 339
RY15 State Form Count: 1339
California
Activation Date: April 13, 2011
TDX: Node Transfer Method Participant
RY15 State Facility Count: 1243
RY15 State Form Count: 3793
Colorado
Activation Date: April 13, 2011
TDX: Node Transfer Method Participant
RY15 State Facility Count: 230
RY15 State Form Count: 772
Connecticut
Activation Date: April 5, 2016
TDX: Node Transfer Method Participant
RY15 State Facility Count: 277
RY15 State Form Count: 709
Delaware
Activation Date: June 19, 2006
TDX: Node Transfer Method Participant
RY15 State Facility Count: 59
RY15 State Form Count: 220
District of Columbia
TDX: Non-Participant
RY15 State Facility Count: 10
RY15 State Form Count: 17
Florida
Activation Date: October 4, 2011
TDX: Download Participant
RY15 State Facility Count: 649
RY15 State Form Count: 1766
Georgia
Activation Date: January 27, 2010
TDX: Node Transfer Participant
RY15 State Facility Count: 694
RY15 State Form Count: 2316
Guam
TDX: Non-Participant
RY15 State Facility Count: 10
RY15 State Form Count: 43
Hawaii
Activation Date: June 6, 2008
TDX: Node Transfer Participant
RY15 State Facility Count: 32
RY15 State Form Count: 184
Idaho
Activation Date: October 4, 2011
TDX: Download Participant
RY15 State Facility Count: 114
RY15 State Form Count: 387
Illinois
Activation Date: December 13, 2006
TDX: Node Transfer Participant
RY15 State Facility Count: 1083
RY15 State Form Count: 3971
Indiana
Activation Date: April 7,2011
TDX: Node Transfer Participant
RY15 State Facility Count: 919
RY15 State Form Count: 3501
Iowa
Activation Date: January 14, 2010
TDX: Node Transfer Participant
RY15 State Facility Count: 472
RY15 State Form Count: 1724
Kansas
Activation Date: May 23, 2006
TDX: Node Transfer Participant
RY15 State Facility Count: 319
RY15 State Form Count: 1256
Kentucky
Activation Date: November 15, 2006
TDX: Node Transfer Participant
RY15 State Facility Count: 422
RY15 State Form Count: 1931
Louisiana
Activation Date: July 13, 2011
TDX: Download Participant
RY15 State Facility Count: 389
RY15 State Form Count: 3046
Maine
Activation Date: September 13, 2010
TDX: Node Transfer Participant
RY15 State Facility Count: 86
RY15 State Form Count: 352
Maryland
Activation Date: May 7, 2015
TDX: Node Transfer Participant
RY15 State Facility Count: 165
RY15 State Form Count: 553
Massachusetts
Activation Date: Feb. 17, 2010
TDX: Node Transfer Participant
RY15 State Facility Count: 405
RY15 State Form Count: 1129
Michigan
Activation Date: March 25, 2005
TDX: Node Transfer Participant
RY15 State Facility Count: 787
RY15 State Form Count: 2990
Eastern Band of Cherokee Indians
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 3
Saginaw Chippewa Indian Tribe
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 5
Minnesota
Activation Date: June 16, 2006
TDX: Node Transfer Participant
RY15 State Facility Count: 505
RY15 State Form Count: 1547
Mississippi
Activation Date: May 18, 2010
TDX: Node Transfer Participant
RY15 State Facility Count: 320
RY15 State Form Count: 1126
Missouri
TDX: Non-Participant
RY15 State Facility Count: 513
RY15 State Form Count: 1018
Montana
Activation Date: April 16, 2013
TDX: Download Participant
RY15 State Facility Count: 62
RY15 State Form Count: 371
Nebraska
Activation Date: June 5, 2013
TDX: Node Transfer Participant
RY15 State Facility Count: 204
RY15 State Form Count: 847
Nevada
Activation Date: March 30, 2011
TDX: Node Transfer Participant
RY15 State Facility Count: 142
RY15 State Form Count: 566
New Hampshire
Activation Date: April 5, 2016
TDX: Download Participant
RY15 State Facility Count: 137
RY15 State Form Count: 318
New Jersey
Activation Date: May 9, 2007
TDX: Node Transfer Participant
RY15 State Facility Count: 352
RY15 State Form Count: 1147
New Mexico
Activation Date: October 4, 2011
TDX: Node Transfer Participant
RY15 State Facility Count: 74
RY15 State Form Count: 298
Navajo Nation, Arizona, New Mexico and Utah
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 18
New York
Activation Date: June 4, 2009
TDX: Node Transfer Participant
RY15 State Facility Count: 640
RY15 State Form Count: 2029
North Carolina
Activation Date: September 12, 2011
TDX: Download Participant
RY15 State Facility Count: 771
RY15 State Form Count: 2325
North Dakota
Activation Date: May 15, 2013
TDX: Download Participant
RY15 State Facility Count: 84
RY15 State Form Count: 475
Northern Mariana Islands
TDX: Node Transfer Participant
RY15 State Facility Count: 8
RY15 State Form Count: 31
Ohio
Activation Date: May 24, 2007
TDX: Node Transfer Participant
RY15 State Facility Count: 1371
RY15 State Form Count: 5242
Oklahoma
Activation Date: June 15, 2006
TDX: Node Transfer Participant
RY15 State Facility Count: 383
RY15 State Form Count: 1382
Oregon
Activation Date: April 14, 2006
TDX: Node Transfer Participant
RY15 State Facility Count: 274
RY15 State Form Count: 908
Pennsylvania
Activation Date: May 15, 2009
TDX: Node Transfer Participant
RY15 State Facility Count: 1163
RY15 State Form Count: 3950
Puerto Rico
Activation Date: January 20, 2012
TDX: Download Participant
RY15 State Facility Count: 107
RY15 State Form Count: 364
Rhode Island
Activation Date: July 13, 2011
TDX: Node Transfer Participant
RY15 State Facility Count: 88
RY15 State Form Count: 263
South Carolina
Activation Date: March 25, 2005
TDX: Node Transfer Participant
RY15 State Facility Count: 527
RY15 State Form Count: 1984
South Dakota
Activation Date: May 12, 2010
TDX: Node Transfer Participant
RY15 State Facility Count: 97
RY15 State Form Count: 299
Tennessee
Activation Date: February 2, 2012
TDX: Download Participant
RY15 State Facility Count: 606
RY15 State Form Count: 2130
Texas
Activation Date: May 6, 2008
TDX: Node Transfer Participant
RY15 State Facility Count: 1819
RY15 State Form Count: 8818
Utah
Activation Date: December 28, 2006
TDX: Node Transfer Method Participant
RY15 State Facility Count: : 179
RY15 State Form Count: 845
Ute Indian Tribe of the Uintah & Ouray Reservation
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 12
Vermont
Activation Date: May 30, 2013
TDX: Download Method Participant
RY15 State Facility Count: 38
RY15 State Form Count: 103
Virgin Islands
TDX: Node Transfer Method Participant
RY15 State Facility Count: 4
RY15 State Form Count: 31
Virginia
Activation Date: May 3, 2005
TDX: Node Transfer Method Participant
RY15 State Facility Count: 440
RY15 State Form Count: 1399
Washington
Activation Date: April 6, 2006
TDX: Node Transfer Method Participant
RY15 State Facility Count: 328
RY15 State Form Count: 1095
Confederated Tribes and Bands of the Yakama Nation
TDX: Non-Participant
RY15 Tribal Facility Count: 3
RY15 Tribal Form Count: 5
Puyallup Tribe
TDX: Non-Participant
RY15 Tribal Facility Count: 11
RY15 Tribal Form Count: 63
Suquamish Tribe of the Port Madison Indian Reservation
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 1
Tulalip Tribes
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 4
West Virginia
Activation Date: July 13, 2011
TDX: Download Method Participant
RY15 State Facility Count: 177
RY15 State Form Count: 884
Wisconsin
Activation Date: September 17, 2009
TDX: Node Transfer Method Participant
RY15 State Facility Count: 871
RY15 State Form Count: 2832
Oneida Tribe Of Indians Of Wisconsin
Activation Date: March 21, 2017
TDX: Node Transfer Method Participant
RY15 Tribal Facility Count: 4
RY15 Tribal Form Count: 10
Wyoming
Activation Date: January 12, 2015
TDX: Download Method Participant
RY15 State Facility Count: 51
RY15 State Form Count: 313
Arapaho Tribe of the Wind River Reservation
TDX: Non-Participant
RY15 Tribal Facility Count: 1
RY15 Tribal Form Count: 1
United States Minor Outlying Islands
TDX: Non-Participant
RY15 State Facility Count: n/a
RY15 State Form Count: n/a
Armed Forces Pacific
TDX: Non-Participant
RY15 State Facility Count: n/a
RY15 State Form Count: n/a
Two Ways to Participate
TDX participants may use either the node transfer method or the download method to receive TRI data. The Memorandum of Agreement (MOA) Exit with EPA will reflect the transfer method.
Node Transfer Method
- Coordinate with Central Data Exchange (CDX) (nodehelpdesk@epacdx.net) to establish a node-to-node TRI flow
- Electronic copies are automatically forwarded to the nodes of TDX participants
- TDX Step-by-Step Guide
Download Method
- View and download copy of record TRI data using the TDX Viewer, without establishing a node-to-node flow
- Electronic copies are automatically made available to TDX participants in the Viewer
- TDX Viewer User Guide
Contact Us to ask a question, provide feedback, or report a problem.