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The scattergraph depicted here reveals backwater and surcharge conditions that result in a sanitary sewer overflow (SSO) upstream from this monitoring location.

This 10-in sewer is equipped with an 8-in overflow pipe located in the downstream manhole.

The scattergraph depicted here reveals backwater and surcharge conditions that result in a sanitary sewer overflow (SSO) downstream from this monitoring location.

Sewers are an important part of our society.

This scattergraph is a hydraulic mother lode showing three distinct hydraulic events.

These data are from a flow monitor installed on one of three interceptors arriving at a wastewater treatment plant (WWTP).

Reverse flow in a sewer system is rare, but in this situation a 12-in sewer is overpowered by a much larger downstream interceptor.

Certain religious practices can also be observed in sewer use patterns.

When operating in backwater conditions caused by a pump station wet well, flow monitoring data follow and iso-Q equal to the pumping capacity.