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MAINTENANCE <br /> ✓A maintenance program should be established for the entire wastewater disposal system. As <br /> referenced, predicting septic tank pump-out intervals is impossible due to the number of unknowns. <br /> These unknowns can lead to changes in the quantity, quality and operational parameters of the <br /> proposed wastewater disposal system. <br /> If there is to be sprinkler irrigation over the disposal area, this must be carefully considered so as to <br /> not inundate the area. During the spring and summer months, irrigation should be done <br /> intermittently during the day and/or evening hours. Irrigation during the wintertime should be <br /> suspended. Run times and number of daily irrigations should be determined by the landscape <br /> contractor. <br /> Another source of nitrate loading can be from the lawn or other landscape-type plants that may be <br /> planted over the disposal area. It is recommended not to use any nitrogen fertilizer in these areas. If <br /> it is deemed necessary to use them, "slow release" nitrogen fertilizers should be used on the lawns <br /> and/or landscaping to reduce nitrate loading from these areas and only between the "green stripes" <br /> which may appear in the leachfield area. <br /> Accurate"as-builts"of the septic system must be supplied to the Environmental Health Department <br /> by the septic system contractor. All applicable "distance" and"setback"requirements must be <br /> strictly followed. <br /> It is imperative to recognize that all septic systems and disposal areas have a lifespan. This lifespan <br /> is unpredictable due to the numerous operational and environmental factors involved. As <br /> referenced above, a critical lifespan issue is controlling and restricting the on-site domestic water <br /> usage to the greatest extent possible. The EHD will require a water meter on the domestic water <br /> inlet to the buildings to monitor water usage. <br /> 13 <br />