[Skip to Content]
Board of Directors & Staff
Management Plan 2019-2024
Drought Contingency Plan
Desired Future Conditions
Groundwater Quality Testing Lab
Water Well Services
Quarterly Newsletter: The Karst Khronicles
Sonora Rainfall 2020
Sonora Rainfall 2019
Sonora Rainfall 2018
Sonora Rainfall 2017
Sonora Rainfall 2016
Sonora Rainfall 2015
Rainfall LCRA Sites 2018
Rainfall LCRA Sites 2017
Rainfall LCRA Sites 2016
Rainfall LCRA Sites 2015
Edwards-Trinity Aquifer Information
First Dye Tracer Test in Sutton County
New Well Forms
Open Records Request Form
Groundwater Management Area 7
West Texas Weather Modification Association
Texas Alliance of Groundwater Districts
Drought Index Well, on the Dry Devil's River. It has been monitored by sensor since February 2013
Downloading water level data from an In-Situ sensor.
InSitu sensor graph of water level measurements for the Drought Index Well for 4/21-5/21, 2014.
Drought Index Well graph with a trend line added.
InSitu sensor graph of measurements from City Well #3 for 12/28/2013-3/15/2014.
Checking the water level with an E-Line (electric) device
TWDB Monitored Well via Telemetry, Brockman Ranch
Downloading data from an automatic rain guage.
Setting up to video record a well on the Ross ranch
Downhole camera, partially assembled, lying in open case.
Water District Laboratory at the office in Sonora.
North wall of the lab, used for water sample analysis.
Fume hood, South wall of lab. Used for processing dye study charcoal samples.
Some of the equipment used for the dye study--charcoal packet and faucet fitting, lab supplies.
Annual SISD 6th grade field trip to the Sawyer ranch-2010/Water Bingo
Example of a recharge well.
Another recharge well.
Now for the good news, 4-15-10 was also recharge day
Groundwater coming from fissures in a road cut.