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The Sand Sentinel Program

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The Sand Sentinel Program is aimed at creating an easier way for people to collect and file reports on suspected permit violations by frac sand mining companies.


Due to its use in fracking, the frac sand mining industry has been plaguing communities in western Wisconsin for many years. In September 2018, a number of people from around the Midwest who are fighting frac sand mining issues hosted check-in meetings on how things were going, sharing notes on some projects to date and ideas on pathways forward people were seeing that were new, or could use some more attention (see notes here and here). The Sentinel Program, originally conceived of by @Pat was highlighted as an opportunity.


The goals of this project are to make frac sand mining industry violations easier for people to spot and understand, and to increase accountability and transparency in reporting.

Video introducing this program:

Links shared in this video:

Sentinel Materials

The sentinel materials are available in print. Email to request your copy. The materials can also be printed out from this page. (There is also a google docs version of this material available on this page)

People who are involved

Activities we've done in our project


  • Do a second Sentinel Program training in Chippewa County, WI (March 2020)
  • Run larger print run of the folder (upcoming)
  • Finalized the draft reporting form materials

2019 - Hosted a fellowship to sift through Wisconsin specific policies that could create observable permit violations, - Compiled a draft reporting form with information on what could be collected to support people's observations, - Collaborated with partners and residents around Wisconsin and other parts of the country, and - Created draft reporting form folder materials - Drafted training materials for sharing on how to use the folder - Piloted an in-person training,


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