NAC445A.970. Operations and maintenance manual; records concerning all operations and maintenance activities.  


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  •      1. A draft operations and maintenance manual for an on-site sewage disposal system must be submitted together with the design specifications pursuant to NAC 445A.9614. A final version of the manual, which is stamped, signed and dated by the design engineer, must be submitted together with the certificate of completion required pursuant to NAC 445A.9618.

         2. The type and size of an on-site sewage disposal system determine the extent of operations and maintenance activities required for the system. The manual must include, without limitation, procedures and schedules for the following:

         (a) Response to emergencies, including, without limitation, notification of users, the Division or other administrative authority and, if necessary, the appropriate local health authority.

         (b) Reporting the cause of any failure or malfunction in writing to the Division or other administrative authority.

         (c) Making any repairs, replacements or modifications of design that are required to restore the system to proper operation.

         (d) Inspection of facilities to ascertain operational efficiency and the general condition of equipment, using a checklist.

         (e) Pumping of septic tanks, pump or siphon chambers, or other storage or treatment tanks by a septic tank pumping contractor who has been issued a permit under chapter 444 of NAC and periodic pumping and maintenance of other pretreatment mechanisms by qualified persons approved by the Division or other administrative authority.

         (f) Maintenance of pumps, motors and switches.

         (g) Replacement of worn or damaged equipment.

         (h) Monitoring of water usage and generation of wastewater.

         (i) Dosing and resting cycles for the drain field, if applicable.

         (j) Determining water levels in trenches or other drain fields.

         (k) Monitoring of groundwater quality and adjacent surface water quality, if necessary.

         (l) Other activities as determined by the design engineer.

         (m) Sample forms for all operations and maintenance activities.

         3. Records must be kept of all operations and maintenance activities, including, without limitation, inspections, monitoring, work performed and conditions found. The records must be available for inspection by the Division or other administrative authority at all times. Annual summary reports of the operation and maintenance of the on-site sewage disposal system must be submitted to the Division or other administrative authority as required by the permit pursuant to NAC 445A.9632.

         4. If the operation and maintenance of an on-site sewage disposal system is performed by a municipality or other entity operating multiple systems, a general manual with specific requirements for specific systems is acceptable for the purposes of this section.

     (Added to NAC by Environmental Comm’n by R194-07, eff. 8-26-2008)