Data and Tools
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NHDPlus Lower Colorado Data (Vector Processing Unit 15)
NHDPlus data for the Lower Colorado vector processing unit.
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NHDPlus Puerto Rico & U.S. Virgin Islands Data (Vector Processing Unit 21)
NHDPlus data for the Hawaii vector processing unit.
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NHDPlus Northern Mariana Islands Data (Vector Processing Unit 22m)
NHDPlus data for the South Atlantic West vector processing unit.
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NHDPlus Hawaii Data (Vector Processing Unit 20)
NHDPlus data for the Hawaii vector processing unit.
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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.