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SRWTP* Odor Events
An odor event occurs when odors released from the wastewater treatment plant site are easily recognized by the average person.
Target
A numeric target has not been set at this time. SRCSD will continue to collect data during the coming years and will establish a target in the future.
Purpose
This Service Level reflects the effectiveness of odor control equipment and practices at the SRWTP.
Critical Activities
Odor events against the SRWTP can be caused by the failure or over exceeding the capacity of odor control equipment, process upsets, overloading the solids storage basins, inadequate injection of solids under the soil at the dedicated land disposal facilities; scheduled maintenance of process equipment (prolonged diversion of wastewater to emergency storage basins; failing to adequately clean emergency storage basins; and uncovering wastewater tanks, vaults or manholes for prolonged periods). Odor events can also be caused by the Biosolids Recycling Facility. Odor events are highly influenced by weather conditions.
2009 Performance
A total of 16 odor events were attributed to ineffective treatment of odors within the treatment plant.
* Sacramento Regional Wastewater Treatment Plant
Event Details (48K)
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