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West Plains Today
By the People, for the People
West Plains, Missouri Stormwater Overflow System Uses Penetron Technology
Penetron's concrete waterproofing admixture helps maximize service life of new stormwater infrastructure
Mar. 19, 2026 at 8:50am
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The completion of the Galloway Creek Stormwater Detention Basin and the expanded earthen dam in West Plains, Missouri were completed by late 2025. These infrastructure upgrades help to better manage peak flow volumes of stormwater during weather events. PENETRON ADMIX SB, a crystalline concrete waterproofing admixture, was specified to optimize the service life of the new concrete structures.
Why it matters
West Plains, a town of over 12,000 people, has faced challenges with its stormwater system being overwhelmed during severe weather events. The new Galloway Creek Stormwater Detention Basin and earthen dam project aims to improve stormwater management and reduce peak flow volumes that can disrupt the town's wastewater treatment. Using Penetron's concrete waterproofing technology helps ensure the long-term durability and service life of these critical municipal infrastructure assets.
The details
The Galloway Detention Basin retention tank is a below-grade concrete tank structure that holds stormwater runoff to reduce peak flow volumes in the downstream system until it can be forwarded to the West Plains wastewater treatment plant. The earthen dam consists of an embankment and cast-in-place concrete principle and auxiliary spillways. Both were constructed by John Adams Construction. PENETRON ADMIX SB was specified to treat the ready-mix concrete for the detention basin and dam spillways to provide waterproofing and prevent corrosion of the embedded reinforcing steel.
- The Galloway Creek Stormwater Detention Basin and expanded earthen dam were completed by late 2025.
The players
Penetron USA
A leading manufacturer of specialty construction products for concrete waterproofing, concrete repairs, and floor preparation systems.
Patrick O'Brien
The Western Region Sales Manager for Penetron USA.
John Adams Construction
The general contractor that constructed the Galloway Detention Basin and earthen dam.
Stewart Morrison
The ready-mix concrete supplier that added PENETRON ADMIX SB to the concrete mix.
West Plains, Missouri
A town of over 12,000 people located on the Great Plains near the Missouri/Arkansas border, home to Missouri State University–West Plains and the National Audio Theatre Festival.
What they’re saying
“To reduce peak flow volumes that can overwhelm the sewage system in West Plains during weather events, a comprehensive municipal upgrade effort was launched.”
— Patrick O'Brien, Western Region Sales Manager, Penetron USA
The takeaway
The use of Penetron's concrete waterproofing technology in the Galloway Creek Stormwater Detention Basin and earthen dam project helps ensure the long-term durability and service life of these critical municipal infrastructure assets, which are essential for managing stormwater overflow and reducing the risk of disruptions to West Plains' wastewater treatment system during severe weather events.
