美国采购需求：污水处理设计、污水处理咨询、污水处理项目投资

I am looking for a quote for a nitrogen-reducing FMBR wastewater treatment system for a small neighborhood in eastern MA with around 85 homes and a daily usage of 6,500 gallons. The system needs to meet the requirement of less than 5 mg/l total nitrogen. Could you provide technical brochures, estimated costs for design and construction, and footprint requirements for identifying a suitable site? Additionally, any design diagrams of the system components would be helpful. Thanks!