Barry Walls Consultant Engineer Ltd. is an independent   professional Environmental Engineering and Wastewater   Treatment Consultancy, which has been providing a high   level of service since 2002 to a wide range of clients   including Local Authorities, Planning Consultants,   Architects, Private and Agricultural Clients.   Specialist areas of expertise within the company include: Site Suitability Assessment Reports for on-site wastewater treatment systems for single dwelling houses, residential, industrial and commercial developments; Site Suitability Assessment Reports for out-wintering pads; Site Suitability Assessment Reports for earth lined slurry stores; Design and certification of constructed wetlands/reed bed systems; Certification of inspection, installation and maintenance of on-site wastewater treatment systems; Percolation testing and design of stormwater soakaway systems using current BRE digest 365 guidelines. Trade Effluent and Sewage Effluent Discharge Licences.