Commitments and Contingencies - National Ambient Air Quality Standards (Details) - parts_per_billion |
Feb. 25, 2019 |
Oct. 01, 2015 |
Sep. 30, 2015 |
---|---|---|---|
Public Service Company of New Mexico | Maximum | San Juan Generating Station And Four Corners | |||
Public Utilities, General Disclosures [Line Items] | |||
Government standard emissions limit (in parts per billion) | 75 | 70 | 75 |