The Pennsylvania Septage Management Association (PSMA) is a trade association for companies that are involved with the following: septic systems, on-lot sewage disposal systems, on-site sewage disposal systems, individual wastewater treatment systems, anaerobic treatment tanks, aerobic treatment tanks, cesspools, seepage pits, septics, seepage beds, trench systems, elevated sand mounds, peat filters, Biomicrobics® and Ecoflo® units, subsurface sand filters, drip irrigation systems, recirculating sand filters, Zabel™ filters, at-grade systems, IRSIS or individual residential spray irrigation systems, holding tanks, privies, septic inspections, onlot wastewater treatment system inspection, real estate transfer inspection, grease traps, grease pits, system installations, system maintenance, chlorinators, UV lamps and all related issues.

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You will find explanations of PSMA/NOF's Onsite Wastewater Treatment System Inspection Standards on many web sites. Do not be misled. Because an inspection company has a link to this site, does not mean that the company is a PSMA member or employs a PSMA/NOF certified inspector.