Cenotes are cave-like geological phenomena created by deep sinkholes in limestone with pools underneath.

Source: https://www.pressherald.com/2023/01/08/art-review-on-closer-look-kathy-butterlys-ceramics-as-masterful-as-they-are-cheerful/

Multiple sinkholes in Alameda led to water shutoffs and road closures, affecting dozens of residents in the area.

Source: https://sfist.com/2023/08/06/sunday-links-east-bay-health-agencies-investigating-richmond-spa-as-potential-link-to-legionnaires-disease-deaths/

Southeast Minnesota's groundwater is particularly vulnerable to nitrate pollution because of the many sinkholes and fractures in the porous limestone underlying the region.

Source: https://m.startribune.com/epa-to-minnesota-take-action-to-protect-people-from-polluted-wells-in-eight-counties-mpca/600318286/

That can lead to sinkholes opening up.

Source: https://www.dailybreeze.com/2023/03/24/in-wake-of-southern-californias-wet-winter-potholes-pose-a-perilous-problem/

The ditch operator, East Mesa Water Co., received approval Sept. 20 for an emergency loan up to $418,140 from the Colorado Water Conservation Board to pipe the ditch and relocate it away from the area prone to sinkholes.

Source: https://www.aspentimes.com/news/aspen-journalism-east-mesa-ditch-seeking-funding-for-repairs-due-to-sinkholes/

This in the wake of more sinkholes developing in the area that has been described as a disaster.

Source: https://www.citizen.co.za/news/south-africa/government/heavy-rains-new-khutsong-sinkholes-february-2023/