Technology Fact Sheets

EPA has developed a series of fact sheets on alternative onsite wastewater technologies, such as aerobic treatment, recirculating sand filters, and mound systems.

Decentralized Systems Technology Fact Sheets:

• Aerobic Treatment 
  English (PDF) (8 pp, 101K, About PDF)  |  Español (PDF) (10 pp, 197K, About PDF)
• Evapotranspiration (PDF) (6 pp, 166K, About PDF)
• Low-Pressure Pipe Systems (PDF) (7 pp, 63K, About PDF)
• Mound Systems (PDF) (7 pp, 204K, About PDF)
• Septage Treatment/Disposal
  English (PDF) (7 pp, 61K, About PDF)  |  Español (PDF) (10 pp, 179K, About PDF)
• Septic System Tanks (PDF) (4 pp, 183K, About PDF)
• Septic Tank Effluent Screens (PDF) (4 pp, 122K, About PDF)
• Septic Tank Leaching Chamber (PDF) (7 pp, 160K, About PDF)
• Septic Tank Systems for Large Flow Application
  English (PDF) (10 pp, 1MB, About PDF)  |  Español (PDF) (4 pp, 308K, About PDF)
• Septic Tank-Soil Absorption Systems
  English (PDF) (8 pp, 81K, About PDF)  |  Español (PDF) (10 pp, 183K, About PDF)
• Small Diameter Gravity Sewer
  English (PDF) (7 pp, 125K, About PDF)  |  Español (PDF) (9 pp, 209K, About PDF)
• Types of Filters (PDF) (4 pp, 168K, About PDF)
• Control Panels (PDF) (5 pp, 1.4MB, About PDF)
• Recirculating Sand Filters (PDF) (7 pp, 131K, About PDF)
• Septic Tank Polishing (PDF) (4 pp, 91K, About PDF)

Wastewater Technology Fact Sheets:

• Disinfection for Small Systems (PDF) (10 pp, 316K, About PDF)
• Free Water Surface Wetlands
  English (PDF) (8 pp, 166K, About PDF)  |  Español (PDF) (10 pp, 210K, About PDF)
• High-Efficiency Toilets (PDF) (5 pp, 80K, About PDF)
• Intermittent Sand Filters
  English (PDF) (7 pp, 168K, About PDF)  |  Español (PDF) (9 pp, 231K, About PDF)
• Ozone Disinfection
  English (PDF) (7 pp, 40K, About PDF)  |  Español (PDF) (9 pp, 181K, About PDF)
• Package Plants (PDF) (12 pp, 139K, About PDF)
• Sewers, Pressure (PDF) (9 pp, 480K, About PDF)
• Ultraviolet Disinfection
  English (PDF) (7 pp, 93K, About PDF)  |  Español (PDF) (9 pp, 238K, About PDF)
• Wetlands: Subsurface Flow
  English (PDF) (9 pp, 105K, About PDF)  |  Español (PDF) (13 pp, 222K, About PDF)

Water Efficiency Technology Fact Sheets:

• Composting Toilets
  English (PDF) (7 pp, 121K, About PDF)  |  Español (PDF) (9 pp, 217K, About PDF)
• Incinerating Toilets (PDF) (5 pp, 60K, About PDF)
• Oil Recirculating Toilets (PDF) (4 pp, 75K, About PDF)