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Most of the urban cenotes in Cozumel are unfortunately not ones I would want to dive in but it is good they are doing research to hopefully raise awareness. :) For example, Cenote Chu-Ha (San Francisco) behind the Ecology office on Av65 has very high levels of fecal coliform.


Exceeds the maximum permissible limits of fecal coliforms and Escherichia
coli, according to NOM-001-SEMARNAT-2021 for karst environments.

High number of fecal viral indicators (greater than 100 genome copies), increases the probability of presence of some enteric transmitted virus and the risk of human exposure, with affectation to your health.

Presence of the metals barium and zinc in sediments that may become available to the environment

Very interesting report here.
Too bad so many homes use cenote water.
 
Cenote Chu-Ha (San Francisco) behind the Ecology office on Av65 has very high levels of fecal coliform.
That cenote has an interesting history. In 1873, Augustus LePlongen was taken there by the local priest, Padre Rejon, because Augustus was interested in Maya artifacts. Looking over the edge of the "cliff" above, he spied a Maya water jar in the water, but slipped over the edge and cracked his head open. He had to spend a month healing before he could leave the island. He took the jar back to England. Photo attached below. More than 100 years later, some American cave divers got permission from INAH to explore the cenote, but the locals got pissed when they removed some Maya artifacts and called the police, who didn't believe the guys had INAH's permission and arrested them.

a3f9.jpg
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That cenote has an interesting history. In 1873, Augustus LePlongen was taken there by the local priest, Padre Rejon, because Augustus was interested in Maya artifacts. Looking over the edge of the "cliff" above, he spied a Maya water jar in the water, but slipped over the edge and cracked his head open. He had to spend a month healing before he could leave the island. He took the jar back to England. Photo attached below. More than 100 years later, some American cave divers got permission from INAH to explore the cenote, but the locals got pissed when they removed some Maya artifacts and called the police, who didn't believe the guys had INAH's permission and arrested them.

View attachment 825306.
I have heard a few different versions of that story. One also involved being thrown in jail for a week until they could verify the divers actually had proper permission/permits to recover said artifacts. The other part of the story that I heard (not sure if it was true) is the local authorities didn't know how to preserve or handle such artifacts and they ended up being damaged/destroyed as a result.
 
Smile and wave for the cameras. :D
 
I suspect they will begin an investigation then throw it in a drawer and never open that drawer again.
It seems that the conflicts between traffickers on the island began when competing 'security authorities' were sent to the island after Pearl got elected mayor and upset the natural order of things.
 
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