How long do you have to report a Category 3 SSO?

The correct timeframe for reporting a Category 3 Sanitary Sewer Overflow (SSO) is 30 calendar days, which corresponds to the requirements set by regulatory agencies. Category 3 SSOs typically reflect less severe incidents, such as those not involving any significant impact on water quality or public health. They often arise from equipment malfunction or blockages.

This 30-day window is designed to ensure that agencies can assess, respond to, and remedy these types of SSOs in a timely manner while providing sufficient time for investigation and reporting. Adhering to this timeline helps maintain compliance with regulatory standards and supports overall environmental safety and public health measures.

When considering the other choices, it is clear that they exceed the acceptable reporting timeframe for Category 3 SSOs. Each additional day beyond the 30-day limit represents potential risks for environmental oversight and accountability.