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• the local ordinance may allow up to a 15 Who can conduct a compliance inspection? percent reduction in the vertical separation Compliance inspections must be conducted by: distance to account for settling of sand or soil,normal variation of measurements,and • Minnesota Pollution Control Agency(MPCA)- interpretations of the limiting layer Certified Inspector,Advanced Inspector,or conditions Qualified Employees of a business with a MPCA o if built before April 1, 1996,or in areas that are Inspector or Advanced Inspector license;or not SWF,a two vertical separation or a vertical • State,county,city,or township employees with separation distance as measured outside the MPCA Inspector or Advanced Inspector registration. area of system influence in an area of similar soil is required What forms must an inspector use? What is the upgrade time frame for a failing The MPCA's Existing SSTS Compliance Inspection SSTS? form must be used.Additional forms,if required by the LGU,may also be attached.The inspector must submit If the NON indicates the system is an Imminent Threat COCs or NONs to the system owner or owner's agent to Public Health or Safety, it must be upgraded, and the LGU within 15 business days after the date of replaced,repaired or discontinued within ten months inspection. after the owner receives the notice,or within a shorter period if required by local ordinance. What are the compliance criteria for an If the NON indicates the system is Failing to Protect existing SSTS? Ground water must be upgraded,replaced, repaired or discontinued within the time period established in the • must be protective of public health and safety LGU ordinance. • must be protective of ground water • must be operated,meet performance standards,and Where do I find more information? be managed according to its operating permit For additional SSTS information,please visit our Web • must meet vertical separation requirements site at www.pca.state.mn.us/programs/ists/or call us at applicable to the date the system was constructed,its 651-296-6300,or toll free at 800-657-3864,please ask location,or the facility it serves for SSTS staff. o if built after March 31, 1996,or in a shoreland area,well head protection area,or serving food, beverage,or lodging establishments(SWF),a three-foot vertical separation distance as measured outside the area of system influence in an area of similar soil is required Compliance Inspections for Existing Subsurface Sewage 04 M1,.MWU Polluum Treatment Systems • wq-wwists4-30 • September 2008 Cw"Agemy Page 2