From April 29, 2024 through July 22, 2024, Smart Cover devices were installed on different manholes in Richwood, Louisiana to measure the amount of rainwater inflow into a manhole during a rain event and the amount of time it took for the associated levels to return to normal. On each manhole measured, the data was collected before and after the Sewer Sentry was installed.
NOTE: These measurements are based on replacing 106 ring and covers with CAP Sewer Sentry.
The Sewer Sentry device stops storm water from going through hole in the manhole cover simply by creating a new point of entry ―a “raised hole”―that is 5/8” higher than the surface of the manhole. At the same time, it reduces sewer gas problems, by allowing enough oxygen to reach the sewer.
Comparing kilowatt usage of pump stations before and after Sewer Sentries show an average of 25% reduction in electricity bills for an entire year.
Treatment cost has gone down during rainy months on average $10,000 per month with only 1600 out of 3000 manholes equipped with the Sewer Sentry.
Flooding of homes and businesses due to rainstorms has gone from 3 a year down to 0.
Report of SSOs due to rainstorms in the first Quarter of the year have gone from 40 down to 1.
Complaints about the smell of pump stations has gone from 8 per year down to 0.
Year 2013 52.6″ Rainfall
Year 2015 56.9″ Rainfall
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Sewer Sentry provides patented, inflow reduction technologies to dramatically reduce inflow during rainstorms and to prevent sewage backup into homes.
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