TGR NEWS - December 2022

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Well Monitoring is Critical Aquifer Management Tool 
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One of the many ways the Trinity Glen Rose District manages the Trinity Aquifer in its jurisdiction is by monitoring a series of wells within the district boundaries. A monitoring well is used to measure the water level, quality, quantity, or movement of water through an aquifer. Currently, the District utilizes five real-time groundwater level monitoring stations.

 

“Groundwater is one of Texas’ most important resources. Of the approximate 14 million acre-feet of water used in Texas each year, 8.4 million acre-feet (60.4%) is from groundwater and the remaining 5.5 million acre-feet (39.6%) is from surface water,” said TGR General Manager George Wissmann. “The Trinity Aquifer in Bexar County is a dynamic resource and its levels rise with rainfall and fall with droughts and water well pumping. Groundwater-level monitoring wells are the main tools we use to track trends regarding the overall viability of the aquifer within our district. This data also goes into modeling how much water our region can safely withdraw over many years without irreparably damaging the resource.” 

 

Each month, monitoring well data is reported to the TGR Board of Directors to keep the district’s policy makers well informed on the water quantity health of the Trinity Aquifer. In addition to these monitoring devices, the District regularly receives groundwater data from several public supply purveyors located throughout northern Bexar County.

 

The State of Texas uses the long-term monitoring data collected over years and decades for groundwater-surface water interaction studies, monitoring groundwater flow directions, determining regional effects of groundwater development, and recording the possible effects of changing weather patterns which can reduce recharge resulting in lower water levels in Texas aquifers.

 

You can read more about groundwater monitoring at the Texas Water Development Board website link:

www.twdb.texas.gov/groundwater/data. If you’re interested in learning about the Trinity Aquifer well system in Bexar County, you can visit the TRG website at: www.trinityglenrose.com/waterwell-maps.

Save Water this Winter with TGR’s Top Two Tips
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It always good to practice sound water conservation measures every day,  however, many tend to think about conservation in the heat of summer or in times of drought. So now that cooler weather has returned, the Trinity Glen Rose District urges you to maximize your water savings this winter with these top two water conservation recommendations.

 

  1. Turn off the automatic sprinkler system controller and only use manually if it is needed. Turf grass does not grow with cooler weather and so watering grass this time of year is wasteful.

  2. Check your indoor water plumbing for leaks. Simply turn off all of the water devices in your home, then head out to your water meter. There is a small triangle dial on the top of the meter. It should not be spinning around. If it is, that is an indication that water is going through the meter. If it is spinning rapidly, you have a sizable leak and you should turn the water off at the meter, find the leak and have it repaired.

 

Here is a great link to more indoor water conservation ideas from the Texas Save Water Coalition.

www.savewatertexas.org/2020/09/30/save-water-money-kitchen-laundry/.

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Did you know…

Texas has numerous aquifers capable of producing groundwater for households, municipalities, industry, farms and ranches. The Texas Water Development Board recognizes nine major aquifers and 22 minor aquifers across the state. The Trinity Aquifer is one of the major aquifers.

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Time to Have your Sprinkler System Checked
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July through September is typically the hottest and driest stretch of weather we see in South Texas each year. Any by now you know that means that your water conservation knowledge and skills should be on high alert. Because landscape watering can account for up to 60 percent of the city’s water use during this time of year, the Trinity Glen Rose District always like to remind homeowners and business owners to have their sprinkler systems inspected before the systems are turned on for regular use. Wasted water cannot be retrieved, so you only get one chance to efficiently use the water provided by the city’s water resources such as the Trinity and Edwards Aquifers.

The quickest do-it-yourself way to check your system is to start it up and then inspect each of the sprinkler heads in all of the system’s zones. Look for broken heads or heads that have sunken below ground. Then make sure that the heads are not watering the streets and sidewalks. Then you can observe whether there is adequate water pressure feeding each sprinkler head. A broken pipe or sprinkler head can drain away pressure and waste significant amounts of water.

Also, if you have been slowly and steadily replacing high water use plants with native low water use plants, you might make sure that your sprinkler system either does not water areas with native plants or waters only a little.

Here is some great news for you. The Trinity Glen Rose District and San Antonio Water System have teamed up over the last few years to offer free irrigation system consultation programs. In fact, TGR will give you a $50 coupon to have the consultation done. Just go to www.TrinityGlenRose.com/conservation for more information.

 
TGR 2021 Annual Report 
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The Trinity Glen Rose Groundwater Conservation District (TGR) just published its 2021 Annual Report. The TGR board reviewed the report in early March and approved the document for publication at its March meeting.

The 2021 Annual Report provides good background on the:

  •  purpose of the district

  •  district goals

  •  current leadership

  •  well monitoring work

  •  financial position, and

  •  community outreach programs

This year, the District included two charts which outline TGR’s involvement in regional GMA-9 joint water planning efforts required by the State of Texas. The charts provide a 10-year history of water use in the region and how that compares to the region’s goals for water production from the Trinity Aquifer. Those goals are known as “desired future conditions.”

You can download the 2021 TGR Annual Report here.