BY RYAN REYNOLDS CONTRIBUTIONS BY NICHAELA SHAHEEN
The impact
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Subsidence in Tomball
0 Total vertical displacement 0 Per year subsidence rate 0 Population growth from 2018-23
Population growth and water demand can impact subsidence, which can lead to more ooding, per- manent land loss and infrastructure damage, Turco said. HGSD data shows that areas in Tomball saw an average of 0.32-1.19 centimeters of displacement per year between 2019-23. Nestlewood Place and South Burberry Park Circle showed the highest subsidence rate during that period. Since measuring began there in 2011, it has experienced 13.7 total centimeters of displacement. At A.D. Dyess Park, the subsidence rate was only 0.32 centimeters per year, but the area saw 16.8 total centimeters of displacement since 2007. The 77375 ZIP code in the east portion of Tomball contains locations with the second-highest and second-lowest annual subsidence rates compared to the rest of the city over the past four years. This area has also seen the largest population boom among subsidence hot spots in Tomball with 18,323 more residents between 2018-23, according to ve-year estimates from the U.S. Census Bureau.
State Rep. Tom Oliverson, R-Cypress, led House Bill 1643 on Dec. 17 to reduce the HGSD’s authority over the NHCRWA. The bill aims to: • Remove the NHCRWA from the HGSD’s jurisdiction • Exempt the entity from groundwater reduction requirements • Let the NHCRWA set their own timelines for transitioning to surface water use Ramsey said he spoke with Oliverson about ling the bill, and he believes its passage would allow the NHCRWA to address hot spots, improve project timing and reduce interest payments driving up water rates. “If we don’t get regulatory relief and we don’t get funding from other sources, that will drive [water rates] to $15, maybe $20 per 1,000 gallons, which is obviously an unsustainable number,” Ramsey said.
Nestlewood Place and South Burberry Park Circle 0 13.7 cm since 2011 0 1.19 cm 0 +0.78% High Street and Village Square Drive 0 6.6 cm since 2017 0 1.08 cm 0 +34.88% Lee Road and Sweet Melody Lane 0 21 cm since 2007 0 1.08 cm 0 +3.97% Magnolia Boulevard and Friendship Drive 0 10.5 cm since 2012 0 0.79 cm 0 +13.1%
Hwy. 249 and near Timbertech Lane 0 24.80 cm since 2007 0 0.76 cm South Pine Street and James Street 0 37.6 cm since 2000 0 0.6 cm
0 +34.88%
0 +34.88%
A.D. Dyess Park 0 16.8 cm since 2007
0 0.32 cm 0 +8.6%
NOTE: DISPLACEMENT DATA HAS DIFFERENT YEARS BECAUSE OF WHEN LOCATION MONITORING BEGAN. SOURCES: HARRIS GALVESTON SUBSIDENCE DISTRICT, U.S. CENSUS BUREAU COMMUNITY IMPACT
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TOMBALL MAGNOLIA EDITION
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