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PLAN AND ASSESS: SEWAGE SPILLS |
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The data is showing that the number of SSO events are concenetrated in the Regions 2 and 5. These two regions also have some of the larger collection systems in the State. The average spill volume though varies significantly around the State with Region 6 accounting for the largest average spill amount while having the second lowest number of SSO events.
SSOs often contain high levels of suspended solids, pathogenic organisms, toxic pollutants, nutrients, oil, and grease. Typical consequences of SSOs include the closure of beaches and other recreational areas, inundated properties, and polluted rivers and streams. This measure tracks the reporting required by the Statewide Sanitary Sewer Order and will help to determine if the sewer system management plans (SSMP), also required by the order, are contributing to a reduction in the number of SSO events.
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