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Today, Houston residents receive their drinking water from three water purification plants and 40 ground water plants. Sixteen additional groundwater plants provide for the remaining five Houston Water Systems. The city treats the water according to federal and state standards to remove harmful contaminants.
However, open surface water reservoirs may be open to urban and agricultural runoff, which leads to chemical contaminants, inorganic and organic particles, bacteria, and low levels of arsenic, according to the recent Houston Water Quality report.
When early settlers first arrived in Houston, they relied on a variety of water sources. “Pure, cold, and wholesome water” from Beauchamp Springs was delivered to residents for 75 cents per 30 gallons. Cisterns captured rainwater for households, and shallow wells stored bayou water in barrels.
As the city grew, Houston water sources could not keep up with demand. After the City Market Fire of 1878, Houston City Council sought new sources and built a water works facility that pumped from the Buffalo Bayou. Then, in 1887, a resident drilled an artesian well and accidentally discovered the third largest underground reservoir in the country—a seemingly endless supply of pure water only 180 feet underneath the city.
In emergency situations, Houston would still pump water from Buffalo Bayou to sustain enough water pressure to fight fires. Residents began to suspect something was off, nicknaming Houston tap water; “tar water.” It wasn’t until 1906 that Houston restored confidence by drilling new wells instead of pumping from Buffalo Bayou.
After WWII, Houston city officials developed longer-range solutions from surface water sources. In 1953, city engineers constructed a dam across the San Jacinto River to create Lake Houston. The city also holds a percentage of the water rights to Lake Livingston (constructed in 1969) and Lake Conroe (constructed in 1973).
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Backed by 85 years of Culligan expertise, Culligan Quench has focused exclusively on providing businesses with the highest quality filtered water. This commitment to doing one thing well has made us the trusted water authority for over 75% of the Fortune 500. We offer the best bottleless water coolers, ice machines, sparkling water dispensers, and coffee brewers to fit any workplace. No matter your location, company size, or industry, we have a filtered water solution that is right for you
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Your local Culligan Quench team in Houston knows the area’s unique water quality. Schedule a quick call with one of our water experts, and we’ll connect you with personalized service tailored specifically to your zip code.
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Houston tap water is safe to drink. The City of Houston tests and treats the water according to federal and state regulations and publishes annual water quality reports. However, the Environmental Working Group (EWG), which has more stringent health guidelines, identified contaminants in Houston’s water, including arsenic, at levels that exceed its recommendations.
The local water supply contains naturally occurring compounds that are harmless but can cause an earthy smell or taste. Businesses can install Culligan Quench water coolers or sparkling water dispensers with advanced filtration systems to provide clean-tasting water for employees.
Houston has hard water, according to the Houston Public Works (HPW) 2023 Water Quality Report. With an average of 128 milligrams per liter (mg/L), it falls within the lower range of the hard water classification, which is between 121 and 180 mg/L. Excess minerals can leave residue on faucets, sinks and office appliances such as coffee makers and kettles.
While it’s fine to consume local water, it can still contain contaminants. Consider providing your employees with clean, filtered drinking water with standing and countertop water coolers that fit any workplace.
Over 120,000 companies, big and small, trust Culligan Quench for cleaner, safer, and great-tasting water.
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