It was mentioned that private laterals contribute 50 % of the total I&I for Lakewood. How was this estimated or quantified?

Submitted by Dawn Garner on Thu, 04/19/2018 - 12:05pm
Question: 
It was mentioned that private laterals contribute 50 % of the total I&I for Lakewood. How was this estimated or quantified?
Answer: 

The Right of Way and private property infrastructure were installed at the same period of time.  The 2’ long vitrified clay pipe sections in the right of way and private property have equivocally the same performance.  The trapped storm laterals found at all the properties which were 100% blocked indicates that a majority of the storm water was not reaching the storm sewer and infiltrating the sanitary line. 

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