Problems We Found In Los Angeles Water – Hydroviv

Problems We Found In Los Angeles Water

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Problems We Found In Los Angeles Water

Kezia Snipe | Research Analyst 

For Hydroviv’s assessment of Los Angeles’ tap water, we aggregated water quality test data from Los Angeles Department of Water & Power, the water provider for LA, 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 the scientific and medical literature, and look at upcoming regulatory changes.  The water filters that we offer in Los Angeles are optimized with this research in mind.

Source Water Of Los Angeles Drinking Water

The Los Angeles Aqueducts, local groundwater, and supplemental water purchased from the Metropolitan Water District of Southern California (MWD) are the primary sources of water supply for the City of Los Angeles (City). The water from the MWD is delivered through the Colorado River Aqueduct and the State Water Project’s California Aqueduct.

Arsenic In Los Angeles Drinking Water

Arsenic is a toxic 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. Los Angeles is in compliance with EPA water quality standards but it’s important to mention that EPA’s standard balances the toxicity against the costs of removing arsenic from drinking water. The most recent tap water quality report reported an average arsenic concentration up to 3 parts per billion for LA. We highly recommend that anyone with more than 1 part per billion take steps to remove arsenic from their water, especially if they have children.  

High Levels Of Lead In Los Angeles Drinking Water

Lead enters tap water through older lead service pipes and lead-containing plumbing. When corrosion control measures put in place by the municipality fail (like what recently happened in Flint, Michigan), lead leaches into the drinking water, and can reach dangerous levels. Currently,10% of samples analyzed for lead in Los Angeles are over 6.3 parts per billion.  While currently in compliance with very loose federal regulations, EPA and CDC both acknowledge that there is no safe level of lead, and federal regulations do not take into account levels measured at an individual tap.  For reference, the American Academy Of Pediatrics recommends that drinking water taps not exceed 1 ppb lead if children drink from it.

High Levels Of Chromium 6 In Los Angeles Drinking Water

Chromium 6 is a highly toxic metal that is not regulated by the EPA.  In recent years, LA tap water has averaged 480 parts per trillion for Chromium 6.  For the sake of perspective, these levels are 24 times higher than the concentration determined to have negligible impact on cancer risk

Disinfection Byproducts (DBPs) In Los Angeles 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 website discloses that exposure to high levels of disinfection byproducts are associated with an increased risk of bladder cancer, as well as kidney, liver, and central nervous system problems.

Still Have Questions About Los Angeles Tap Water?

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 Los Angeles, but our filters provide broad protection against a wide range of contaminants.

If you’re interested in learning more about water filters that have been optimized for LA tap 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).

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  • Kezia Snipe