Data and Tools
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NHDPlus California Data (Vector Processing Unit 18)
NHDPlus data for the California vector processing unit.
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NHDPlus Pacific Northwest Data (Vector Processing Unit 17)
NHDPlus data for the Pacific Northwset vector processing unit.
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NHDPlus Great Basin Data (Vector Processing Unit 16)
NHDPlus data for the Great Basin vector processing unit.
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NHDPlus Rio Grande Data (Vector Processing Unit 13)
NHDPlus data for the Rio Grande vector processing unit.
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NHDPlus Souris-Red-Rainy Data (Vector Processing Unit 09)
NHDPlus data for the Souris-Red-Rainy vector processing unit.
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NHDPlus Lower Mississippi Data (Vector Processing Unit 08)
NHDPlus data for the Lower Mississippi vector processing unit.
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NHDPlus Ohio Data (Vector Processing Unit 05)
NHDPlus data for the Ohio vector processing unit.
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NHDPlus Great Lakes Data (Vector Processing Unit 04)
NHDPlus data for the Great Lakes vector processing unit.
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FY 2019 DWSRF Allotment Availability
FY 2019 allotments, additional subsidy amounts and programmatic terms and conditions for the capitalization grants, grant appropriations, DWINSA, tribal set aside, infrastructure grants, SWDA
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Discretionary Programs Competitive Status List
This is a listing of EPA’s Discretionary Grants which are available through competitive selection. The Agency has the discretion to determine the grantees and dollar amounts for these grant awards. For more information please visit the Grants.gov website.
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National Electric Energy Data System (NEEDS)
Find information on EPA's National Electric Energy Data System (NEEDS) database including basic geographic, operating, air emissions, and other data on these generating units.
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Analysis of the Final MATS Risk and Technology Review (RTR)
IPM analyses of the Proposed MATS Risk and Technology Review (RTR)
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Results using Pre-IRA 2022 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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Supporting Documentation of the 2015 Ozone NAAQS Actions
IPM analyses of the Good Neighbor Plan.
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Results using 2023 Reference Case
Download EPA's IPM v6 including documentation, overview, System Summary Report, .DAT, .RPE, .RPT files, Gas Report, State Level Emissions, Generation and Heat Input Summary.
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eGRID2018 Notes
Describes the data corrections made in eGRID2018v2.
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Power Plants and Neighboring Communities Graphs
Graphs that display the relationship between power plants and the surrounding communities
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Deconstruction Rapid Assessment Tool
Deconstruction Rapid Assessment Tool (EPA 905-F-15-001) instructions, form and spreadsheet for assessing and triaging structures being considered for deconstruction. Promote environmental stewardship and economic revitalization through deconstruction.
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2018 SO2 Allowance Auction
Find on this page the results of EPA's 2018 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 27, 2018.
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2020 SO2 Allowance Auction
Find on this page the results of EPA's 2020 Acid Rain Program sulfur dioxide (SO2) allowance auction, which took place on March 31, 2020