is the edwards aquifer in a new drought of record?

Figure 1: Flow at Comal Springs (source). Figure 2: Flow at San Marcos Springs (source). Things have been looking a bit grim lately in Comal and San Marcos springs. Comal Springs has bottomed out at its fourth lowest flow rate since 1927 during this drought (Figure 1) with San Marcos Springs experiencing its third lowest … Continue reading is the edwards aquifer in a new drought of record? →

the edwards aquifersssss of kinney county

FIGURE 1: The major aquifers in the Kinney County area (from TWDB 2024). Light green (solid and hashed) is the Edward-Trinity (Plateau) Aquifer (solid and hashed) and the blue (solid and hashed) is the Edwards (Balcones Fault Zone) Aquifer. Solid colors indicate where the aquifers are exposed (or nearly exposed) at land surface while the … Continue reading the edwards aquifersssss of kinney county →

what’s causing las moras springs to go dry?

Generally, when a spring goes dry, the cause is drought, groundwater production, or drought and groundwater production.

the lower rio grande valley needs to brand itself as the valleyplex

People have generally heard about Houston, Dallas, San Antonio, Fort Worth, El Paso, and Austin, but how many have heard of Donna, Mila Doce, or Rangerville? Most Texans will be familiar with Brownsville, Harlingen, and McAllen, but how many folks outside of Texas have heard of 'em? My guess? Not many. And if they have, … Continue reading the lower rio grande valley needs to brand itself as the valleyplex →

san marcos springs are the largest springs in texas (and that sucks)

I looked around city hall in New Braunfels, home of Comal Springs, but didn't see a trophy to claim for this biggest-spring honor

the day(s) las moras springs went dry

Image from SAEN (1964d) Back in February, Dee Dee Starks Brown posted an article on Facebook from the San Antonio Express-News noting that the first time Las Moras Springs went dry was in "mid-July" of 1964 (thanks Dee Dee!). So its been on my to-do list to dig up this article and see what else … Continue reading the day(s) las moras springs went dry →

vaya con aquas, aquadoc

This is heartbreaking news... I've been a big fan and acquaintance of Mike Campana for many years extending back to his days the University of New Mexico in the 1990s. He had such good, positive energy and an inspiring desire to share his knowledge with everyone via conferences, his Water Wired blog, and various social … Continue reading vaya con aquas, aquadoc →

Austin Chalk as an alternative supply for Brackettville?

With flows in Las Moras Springs failing recently (and seemingly more commonly and for longer), someone has suggested that Brackettville (and others) pull water from the Austin Chalk instead. Lowering groundwater production so close to the springs is not a bad idea for helping the springs as there is likely a one-to-one benefit to the … Continue reading Austin Chalk as an alternative supply for Brackettville? →

Will the Carrizo-Wilcox go dry? No (but…)

I've gotten a couple calls about a recent Wall Street Journal article (paywalled) where I am "quoted" as saying the following about the Carrizo-Wilcox Aquifer: "Robert Mace, executive director at the Meadows Center for Water and the Environment at Texas State University, said the aquifer could run dry much sooner, likely within 10 to 20 … Continue reading Will the Carrizo-Wilcox go dry? No (but…) →

a quick trip to las moras springs

A graduate student (Corinne) and I are researching Las Moras Springs in Kinney County, Texas, so we daytripped there and back to gawk at the recharge zone and the springs. I had hoped that they would still be dry since I hadn't seen them in that state before and wanted to take a closer look … Continue reading a quick trip to las moras springs →