以下为废水处理技术列表：
- 活性污泥法/活化污泥法(Activated sludge)
- 好氧颗粒反应堆(Aerobic granular reactor)
- Anaerobic clarigester
- 厌氧消化(Anaerobic digestion)
- 厌氧塘(Anaerobic lagoon)
- Bioconversion of biomass to mixed alcohol fuels
- Biolytix
- 活性碳过滤(Carbon filtering)
- 污水坑(Cesspit)
- 合流污水(Combined sewer)
- 干式厕所(Composting toilet)
- 人工湿地(Constructed wetland)
- 加压溶气浮选(Dissolved Air Filtration Flotation)
- 蒸馏(Distillation)
- 电混凝(Electrocoagulation)
- 电去离子(Electrodeionization)
- 电解(Electrolysis)
- 膨胀颗粒污泥床消化(Expanded granular sludge bed digestion)
- 胶凝作用(Floculation)
- 浮选过程(Flotation process)
- 尹霍夫槽(Imhoff tank)
- 碘(Iodine)
- 离子交换(Ion exchange)
- 活机器(Living machines)
- 西蒙 N-Viro法(N-Viro)
- 逆渗透(Reverse osmosis)
- 芦苇床处理(Reed bed)
- 化粪池/废水处理系统(Septic tank)
- 交替操作之批式反应器(Sequencing batch reactor)
- 废水处理(Sewage treatment)
- 紫外线消毒(Ultraviolet disinfection)
- 上流式厌氧污泥床法消化/上流式厌氧污泥毡法消化(Upflow anaerobic sludge blanket digestion)
- 湿式氧化(Wet oxidation)