TGR NEWS - December 2021

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TGR Redistricting Moves Forward
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The map depicts the proposed changes to the TGR precinct boundaries. The red line shows existing boundaries.

In it’s first meeting with a redistricting consultant, the Trinity Glen Rose Groundwater Conservation District (TGR) board found out very quickly that it needed to go through the redrawing of precinct boundaries due to out of balance precinct populations. According to the U.S. Constitution, single-member districts must have approximately equal populations. It is recommended that the calculated deviation between precincts’ populations should be 10 percent or less. However, when the consultant reviewed the current TGR precinct populations, there was 73 percent overall deviation.

“It’s no secret that the northern sectors of Bexar County where the TGR District resides has seen tremendous population growth along the I-10 corridor,” said TGR Board Chairman Joe duMenil. “And as expected, the 2020 census numbers revealed that scenario and essentially threw our precinct population representation numbers out of balance. For example, the ideal population size for each precinct came in around 60,000 people. Precinct 2, which includes the I-10 corridor, came in at nearly 90,000 people. So we set up a special board work session to go through several scenarios in redrawing precinct boundaries to even out population representation for each precinct. The board selected a draft model and now it is the public’s turn to weigh in on the proposed boundary changes.”

Redistricting is part of the election process in the United States. And because the Trinity Glen Rose Groundwater Conservation District’s (TGR) board members are elected, the district must review its population changes over each 10-year period and adjust its boundaries as necessary. The objective is to balance the per capita representation for each precinct in order to give all district constituents an equal say via their elected representatives regarding district policies and future directions. The criteria which guided the TGR boundary adjustments stated the board should:

  • begin and end with identifiable boundaries

  • maintain communities of interest & neighborhoods

  • use whole voting precincts if possible

  • base plan on existing districts

  • adopt districts of relatively equal size

  • draw districts that are compact and contiguous

  • keep existing incumbents in their districts to preserve previous voter wishes

  • narrow tailor plan to comply with the Voting Rights Act

The chart below shows that after the boundaries are redrawn based on the criteria, the precinct populations return to relative balance with only a 8.58 percent deviation.

“The next step in this process is for the public and any other type of stakeholders to have access to this information and to send us any comments on how they think we can improve on these new boundaries,” duMenil explained. “People can go to our website to find side by side comparisons of these maps and demographic breakouts to get an idea of how we are proposing to move forward. They can either submit a comment online or they may choose to attend our December 9th board meeting where we will have a public hearing on this process. The board will take all comments into consideration and look to improve on our final boundaries before taking an official vote early next year.”

To read more about the redistricting process and to provide comments online, go to our redistricting page here.

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Fall Landscape Maintenance, Planting Check List
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The San Antonio Botanical Gardens has a great set of things to do for your landscape this fall. Here are 15 items to consider for keeping your landscape in great shape this fall and in preparation for next spring.

  • To minimize the likelihood of weeds this fall, do not allow weeds to go to seed.

  • Plant shade trees now to take advantage of the mild fall and winter weather for root growth.

  • Prepare beds to plant cool season flowers. Add compost as need to your flowerbeds.

  • Deadhead flowering plants to stimulate more blooms.

  • This is the last time to fertilize roses for the winter months. Wait until January/February to fertilize again.

  • With the mild weather, it is a perfect time to plant landscapes. The cooling temperatures allow for more root growth, which will establish the plant before winter cold snaps.

  • Take advantage of the weather and dig, divide and plant your spring/summer blooming perennials.

  • Begin to back off on watering. With the cooler temperatures, soils stay moist longer than they did this summer. You do not want to overwater your plants.

  • Mulch all new plantings to reduce weeds, maintain soil moisture and regular soil temperatures.

  • This will be the last time to do any pruning on your rose bushes until February.

  • Sow bluebonnets and other wildflowers.

  • Make preparation to protect tropical plants or move them to a greenhouse.

  • Prepare exposed pipes for winter.

  • After last use of mower or other power equipment, make the machines ready for winter storage. Don’t leave gasoline in the machine over winter

  • Start thinking about purchasing fall planting/spring blooming bulbs. Don’t plant until all hot weather is over.

  • Prune trees when they are dormant.

You can download these tips here. 

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 for more information.

TGR Publishes 2020 Annual Report 
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The Trinity Glen Rose Groundwater Conservation District (TGR) just published its 2020 Annual Report. The TGR board reviewed the report in early March and approved the document for publication at its March meeting.

The 2020 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 2020 TGR Annual Report here.