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Jaffrey library sinkhole patches hold throughout August rainfall

  • Patches to the Jaffrey Public Library lawn and driveway have held up through the rain. Town Manager Jon Frederick said the town continues to monitor the patches and that there is no need for further action if the current repairs hold. Staff photo by Nicholas Handy—

Monadnock Ledger-Transcript
Published: 9/10/2018 11:14:20 AM

Around ten inches of rain over the past month has done little damage to sinkholes on the Jaffrey Public Library lawn and driveway.

Jaffrey Town Manager Jon Frederick said Thursday that the holes had been filled in after it was discovered on July 26 that an old stone culvert under the property had helped to create two large potholes in the library driveway and a number of smaller holes in the lawn.

“We are continuing to monitor the situation,” Frederick said. “The patches are holding fast and steady.”

If the patches hold, Frederick said the town will not have to do anything further to remedy the situation. Removing the culvert was brought up as a possibility when it was first discovered. 

The library was forced to close down the driveway and part of the lawn in mid-July after the sinkholes were discovered. Both have since reopened. 

One hole in the driveway measured about 10 inches wide and four feet deep while the other measured about two feet wide and two feet deep.

The holes are believed to have been caused by a blockage in the small stone culvert, which caused water levels to rise to the point where dirt under the pavement was slowly washed away. 

Jaffrey DPW Director Randy Heglin has said there is no immanent danger to the public.

A former town employee told Heglin that the culvert was likely disconnected from the town’s sewer system in the 1980s. Heglin is unsure how old the culvert is. 

Nicholas Handy can be reached at 924-7172 ext. 235 or He is also on Twitter @nhandyMLT. 


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