All Clear Septic  All Clear Septic and Wastewater Services are carrying out Septic Functional Inspections in Cranston, Coventry and Johnston. A functional inspection is used to determine whether a system is adequate to serve the wastewater disposal needs of a household. The functional inspection is especially intended for use during a property transfer as a means to protect the consumer and identify systems in need of upgrade or repair. If you are in need of a Functional Inspection in Rhode Island please contact our office at 508-763-4431 or visit