Due to declining levels, the Edwards Aquifer Authority declared Stage 4 water restrictions for permit holders in multiple counties throughout the remote San Antonio area.

KSAT Explains takes a closer look at how much of these chemicals can be in our drinking water and what San Antonio Water System and the Edwards Aquifer Authority found when testing for those chemicals.

San Antonio Water System officials are hoping the city council approves new drought rules, which the city-owned utility says could help stave off harsher conservation measures.

Biologists are on high alert as the ongoing drought dries up the rivers some animals call home.

The Edwards Aquifer Authority said the severe drought is not dramatically impacting the Edwards Aquifer because there are legal protections not found in any other groundwater conservation district.

Two cave-dwelling catfish species from the San Antonio area might be added to the endangered species list after federal officials say too much water is being pumped out of the Edwards Aquifer.

Comal Springs is one of the most prolific springs in Texas. It's only stopped flowing once before. Could it happen again?

The Edwards Aquifer is a unique and vital resource which resides several hundred feet below us, and whose daily impact affects everyone.

The Comal Springs streamflow dips to a 10-day average of 92 cfs - the lowest since 2014

The Edwards Aquifer Authority (EAA) Education Outreach Center (EOC) is the EAA’s first permanent facility dedicated exclusively to offering over a dozen interactive and immersive water education exhibits for the general public, schools, and groups to enjoy.

The Comal Springs streamflow dips to a 10-day average of 96 cfs - lowest since November 2014

The Edwards Aquifer is falling quickly, along with area spring flow.

The aquifer drops below 640' for the first time in more than 7 years. Stage 3 restrictions are ahead for permit holders.

The Edwards Aquifer Research Park is a more than 150-acre tract of land that will be used to study the aquifer.

A strong earthquake in Alaska may have been detected by the Edwards Aquifer.

SAN ANTONIO – Drought conditions have pushed San Antonio and surrounding areas one step closer to possible restrictions. The Edwards Aquifer, at the J-17 well, is nearing the 660-foot threshold. The Edwards Aquifer Authority, which regulates the aquifer, said restrictions on their end may be only a week to 10 days away. Stage one restrictions for the EAA restricts pumping over the aquifer, which affects SAWS. As of Friday, the Edwards Aquifer, at the J-17 well, sat at 661.5 feet.