Service Levels

Back-ups Into Structures

Back-ups Into Structures Rate – Measures the number of times, per 10,000 connections, that a stoppage in the District’s system causes sewage to back up into a structure.Plugged fixtures or stoppages within building plumbing are not considered a back-up into structure.

Target: 1.04*

• 2009 = 1.04 per 10,000 connections (36% less than 2008 yearly average)
• 2010 = 0.79 per 10,000 connections (10% less than 2009 target)
• 2011 = 0.71 per 10,000 connections (10% less than 2010 target)
• 2012 = 0.64 per 10,000 connections (10% less than 2011 target)

*The new target level was approved by the Board of Directors and was effective on July 1, 2009.