Problems We Found In Houston's Drinking Water – Hydroviv

Problems We Found In Houston's Drinking Water

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Problems We Found In Houston's Drinking Water

Kezia Snipe | Hydroviv Research Analyst

For Hydroviv’s assessment of Houston tap water, we aggregated water quality test data from the City of Houston Public Works, the water provider for America’s fourth largest city, and the U.S. Environmental Protection Agency (EPA), as well as from samples that we collect and analyze. We cross reference these data with toxicity studies in scientific and medical literature, and look at upcoming regulatory changes.  The water filters that our scientists build for our users in Houston are optimized with the following contaminants in the forefront of our mind.

Source Of Houston Drinking Water

Houston receives its drinking water from three water purification plants and 40 ground water plants. 16 additional groundwater plants provide for the remaining 5 Houston Water Systems.

Arsenic Concentrations In Houston Drinking Water

Arsenic is a toxic heavy metal that is known to cause cancer and other health issues. Unlike lead, which distributes into water from plumbing, arsenic comes from the source water itself. While Houston is in compliance with very loose EPA water quality standards, the most recent tap water quality report for Houston reported an average arsenic concentration of 2 parts per billion.  These levels triggered the municipality to make the following disclosure in the Consumer Confidence Report:

"Houston’s drinking water contains low levels of arsenic, but is below the state and federal action levels. EPA’s standard balances arsenic’s possible health effects against the costs of removing it from drinking water. EPA continues to research the health effects of low levels of arsenic, which is a mineral known to cause cancer in humans at high concentrations and is linked to other health effects such as skin damage and circulatory problems."

Hydroviv strongly recommends that anyone that lives in an area with more than 1 part per billion take steps to remove arsenic from their water, especially families with children.  

Lead Levels In Houston Drinking Water

Lead enters tap water through older lead service pipes and lead-containing plumbing. When lead pipes, fittings, and valves are present in a home, lead can leach into the drinking water, and can reach dangerous levels. In the most recent data provided by the City of Houston , 10% of samples analyzed for lead in Houston are 4 parts per billion. Though the city is currently in compliance with extremely loose federal regulations, the EPA and CDC have both acknowledged that there is no safe level of lead for children.  Additionally, the American Academy Of Pediatrics strongly urges any tap that produces water over 1 part per billion to be remediated immediately.  

Very High Chromium 6 Levels In Houston Drinking Water

Chromium 6 is an extremely toxic metal that is not currently regulated by the EPA. In recent years, Houston tap water has averaged 700 parts per trillion for Chromium 6. For the sake of perspective, these levels are 35 times higher than the concentration determined to have negligible impact on cancer risk.   Earlier this year, Dr. Eric Roy (Hydroviv's Founder) wrote a highly-cited article specifically on the high levels of chromium 6 in Houston's tap water, the original source can be viewed here.  

Pesticides And Petroleum Hydrocarbons Detected In Houston's Most Recent Round Of Testing 

Low levels of the herbicides atrazine and simazine (both endocrine disruptors), as well as xylenes (a petroleum based VOC) were reported in Houston's main system.  This isn't a huge surprise because of the types of activities 

Disinfection Byproducts (DBPs) In Houston Drinking Water

DBPs are a category of emerging contaminants that form when chlorine-based disinfectants react with naturally-occurring organic matter.  Although these chemicals are not currently regulated very well, the EPA's website discloses that exposure to high levels of these chemicals is associated with an increased risk of bladder cancer, as well as kidney, liver, and central nervous system problems.

Chlorine Levels In Houston Tap Water

Like most other cities in the U.S., Houston disinfects its water with chlorine to protect against waterborne illness. While not considered to be harmful on its own at levels found in tap water, people tend to find that filtering it from their water greatly enhances its taste and odor.  

Still Have Questions About Houston Tap Water Or Water Quality In General?

Hydroviv is a water filtration company that uses water quality data to optimize water filters for each customer's water.  The contaminants that we list above are what we consider to be major “points of emphasis” that we use to build water filters that are built specifically for Houston, but our filters provide broad protection against a wide range of contaminants found in Houston's tap water.

If you’re interested in learning more about water filters that have been optimized for Houston's water, or just have questions about water quality in general, feel free to visit www.hydroviv.com, reach out by email (hello@hydroviv.com) or through our live chat. We also frequently post water-related news on Twitter or Facebook.  We pride ourselves in being a reputable source of information on water quality, and your questions will be answered by scientists, not salespeople (we don't have any salespeople on staff).

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  • Kezia Snipe