Best Available Control Technology (BACT)

Recently Finalized BACT Guidelines
- BACT Guideline 7.1.1 Thermally Enhanced Oil Recovery – Steam Enhanced Crude Oil Production Wells - effective 4/7/26, final document here
- BACT Guideline 5.7.3 Turkey House - effective 5/7/26, final document here
- BACT Guideline 4.3.8 Metal Products Coating - Large Steel Structures, < 64 lb-VOC/day, Outdoor Coating Operation - effective 5/28/26, final document here
- BACT Guideline 5.7.2 Poultry - Layer House - effective 6/10/26, final document here
- BACT Guideline 1.5.13 Biochar Producing Pyrolysis Reactor/Furnace - effective 6/22/26, final document here
- BACT Guideline 1.6.13 Dehydrator - Fruit and Vegetable (excluding onions), Continuous Belt - effective 6/29/26, final document here
Recent BACT Determination
- BACT Guideline 1.1.1: Natural Gas or Propane-fired Boilers/Steam Generators (< 5 MMBtu/hr and ≤ 20 MMBtu/hr), final document here
- BACT Guideline 1.1.2: Natural Gas or Propane-fired Boilers/Steam Generators (> 20 MMBtu/hr), final document here
- BACT Guideline 1.4.9: Dairy Digester Gas Backup Limited Use Flares, final document here
- BACT Guideline 1.4.10: Dairy Digester Gas Flares, final document here
- BACT Guideline 3.1.1: Diesel-Fired Emergency IC Engines > 50 bhp Powering Electrical Generators, final document here
Best Available Control Technology (BACT) Policy
Send Comments/Suggestions to District's BACT Coordinator