State Implementation Plans
Nevada County -Western
2015 Ozone Attainment Plan for Western Nevada County 2008 Western Nevada County Planning Area Ozone Attainment Plan 2015 Reasonable Available Control Technology SIP for Western Nevada CountyPlumas County – Portola
2017 Portola PM2.5 State Implementation PlanWood Stove Change -Out Program for Greater Portola Nonattainment Area and Progress Reports
Resolution 2024_17, Northern Sierra Air Quaity Management District Board of Directors adopts the Portola Serious Plan (PM2.5.pdf