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Problems We Found In Milwaukee's Drinking Water

Kezia Snipe @ Thursday, November 30, 2017 at 2:59 pm -0500

Kezia Snipe  |  Hydroviv Research Analyst

For Hydroviv’s assessment of Milwaukee's tap and drinking water quality, we aggregated water quality test data from Milwaukee Water Works, the city’s water provider 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 build for our neighbors in Milwaukee (Hydroviv is a DC-based company) are optimized with this research in mind.

Source Of Milwaukee's Drinking Water

Milwaukee draws it's raw and drinking water from Lake Michigan.

High Levels Of Lead In Milwaukee Drinking Water

Lead enters Milwaukee's drinking and 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 Milwaukee are over 8.2 parts per billion. Though Milwaukee's drinking water quality is currently in compliance with 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. Homes built before 1986 are most susceptible to lead contamination. The American Academy of Pediatrics recommends that any taps used to serve children have lead levels no higher than 1 part per billion.

High Levels Of Chromium 6 In Milwaukee Drinking Water

Chromium 6 is a hazardous metal not fully regulated by the EPA. Milwaukee’s tap and drinking water recently averaged 220 parts per trillion for chromium 6. These levels are nearly 11 times higher than the concentration determined to have a negligible impact on cancer risk.

Disinfection Byproducts (DBPs) In Milwaukee 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 has admitted that they are associated with an increased risk of bladder cancer, as well as kidney, liver, and central nervous system problems.

Still Have Questions About Milwaukee Drinking 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 Milwaukee, but all of our our filters provide broad protection against a wide range of contaminants (including lead).

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

Please Share This Milwaukee Water Quality Article On Social Media With Anyone You Think Would Benefit From The Information!

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Problems We Found In Riverside, California Drinking Water

Emma Schultz @ Friday, November 3, 2017 at 10:27 am -0400

Emma Schultz, M.S. | Scientific Contributor   
**Updated August 6, 2019 to include current data

We've aggregated the most current water quality test data from Riverside Public Utilities, the U.S. Environmental Protection Agency (EPA). We then cross reference these data with toxicity studies in scientific and medical literature, and supplementary internal data. The water filters that we sell in Riverside are optimized to remove detected contaminants.

Source Of Riverside Drinking Water

Riverside gets its drinking water entirely from groundwater sources. Water is pumped from the Bunker Hill and Riverside groundwater basins and is treated before being distributed to Riverside residents. It should be noted that “these sources are considered most vulnerable to historical contamination from industrial and agricultural operations” (see above link to the 2018 Water Quality Report).

High Levels Of Chromium 6 In Riverside Drinking Water

Chromium 6 is a highly toxic metal not currently regulated by the EPA. Riverside tap water has recently averaged a substantial 2200 parts per trillion for chromium 6. For reference, these levels are nearly 110 times higher than the concentration determined to have a negligible impact on cancer risk. For a bit of context, the state of California tried to set a state Maximum Contaminant Level (MCL) of 20 parts per trillion for chromium 6. After municipalities were unable to comply with the interim MCL, a lawsuit resulted in the withdrawal of the 20 parts per trillion standard. 

Arsenic In Riverside Drinking Water

Arsenic is a cancer-causing toxic heavy metal, that can also lead to other adverse health effects. Arsenic originates in the source water. While Riverside is in compliance with EPA water quality standards, it should be understood that EPA’s standard balances toxicity against the costs of removing arsenic from drinking water. Riverside’s most recent tap water quality report listed average arsenic concentrations of 1 parts per billion, with a maximum concentration of 2.9 parts per billion. We strongly recommend that tap water with more than 1 part per billion be treated to remove arsenic, particularly if there are children in the home.  

Lead In Riverside Drinking Water

Lead enters Riverside's tap water through older lead service pipes and lead-containing plumbing. When corrosion control measures fail (such as what recently happened in Flint, Michigan), lead leaches into drinking water, and can reach unsafe levels. EPACDC, and American Academy of Pediatrics all acknowledge that there is no safe level of lead for children. In addition, federal regulations cannot take into account levels measured at an individual tap.  

Disinfection Byproducts (DBPs) In Riverside Drinking Water

DBPs are halogenated emerging contaminants that occur when chlorine-based disinfectants are added to the water supply and then combine with naturally-occurring organic matter. Although these chemicals are not yet well-regulated, EPA has stated that they have been linked to an increased risk of bladder cancer, as well as kidney, liver, and central nervous system problems.

Use Of Chlorine In Riverside Tap Water

As is common practice in the United States, Riverside adds chlorine to its water to protect consumers against waterborne illness. While not considered harmful per se, many people find that removing chlorine from their drinking water greatly improves the overall taste and odor. When Riverside's water is filtered, we expect that you will notice an immediate improvement in taste.    

Still Have Questions About Riverside's Tap Water?

Hydroviv is a water filtration company that uses water quality data to optimize water filters for each city’s water. The chemicals that we list above are what we consider to be “points of emphasis” so we can build the best water filter for Riverside tap water, but all of our water filters provide broad protection against other contaminants commonly found in drinking water (e.g. VOCs, heavy metals [including lead], pharmaceuticals, solvents, pesticides, mercury).

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

Please Share This Riverside Water Quality Article On Social Media With Anyone You Think Would Benefit From The Information!

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Problems We Found In Stockton, California Drinking Water

Analies Dyjak @ Friday, September 22, 2017 at 8:54 am -0400

Analies Dyjak | Research Analyst


Updated May 28, 2021 to include most recent water quality data

Our Water Nerds analyze data from the City of Stockton to better understand present contaminants in your tap water.We also use data from the U.S. Environmental Protection Agency (EPA), toxicity studies, scientific and medical literature, as well as from samples that we collect and analyze. The undersink water filters that we build and sell to people who live in Stockton are optimized with all of these things in mind.

Source Of Stockton Drinking Water

California Water uses a combination of local groundwater and water purchased from the Stockton East Water District, which is imported from the New Melones and New Hogan Reservoirs. The City Stockton's water system includes 27 active wells, one well being prepared to go online, 17 booster pumps, and 12 storage tanks.

Arsenic In Stockton Drinking Water

Arsenic is a toxic metal that is known to cause cancer and other health issues. Arsenic contamination originates from the source water itself, and is more prominent in areas (like Stockton) that pull water from groundwater sources. Like other municipalities in the same region, Stockton's drinking water has detectable levels of arsenic in the drinking water, on average 3.6 parts per billion according to the most recent data. Because of this, Stockton made the following public disclosure:

"While your drinking water meets the federal and state standards for arsenic, it does contain low levels of arsenic. The arsenic standards balance the current understanding of arsenic’s possible health effects against the costs of removing arsenic from drinking water. The 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." 

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. 

Chromium 6 In Stockton Drinking Water

Chromium 6 is a toxic metal that is not regulated by the EPA, despite being a common discharge from steel processing plants, tanneries, and metal plating facilities. In recent years, tap and drinking water in Stockton has averaged 790 parts per trillion for Chromium 6. For the sake of perspective, these levels are 40 times higher than the concentration determined to have negligible impact on cancer risk by the state of California.

Disinfection Byproducts (DBPs) In Stockton 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 Stockton Tap Water Or Water Quality In General?

Hydroviv is a water filtration company that uses water quality data to optimize whole house water purifiers 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 Stockton, but our filters provide broad protection against a wide range of contaminants found in Stockton's tap water, including lead, VOCs, and pesticides.

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Problems We Found In Fort Worth's Tap Water

Kezia Snipe @ Wednesday, September 13, 2017 at 3:14 am -0400

Kezia Snipe  |  Research Analyst  

Updated June 25, 2021 to include updated data

For Hydroviv’s assessment of Fort Worth's drinking water, we aggregated water quality test data from City of Fort Worth Water Department, the city’s water provider 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 delve into upcoming regulatory changes. The water filters that we offer our users in Forth Worth are optimized with these figures in mind.

Source Of Fort Worth Drinking Water

Fort Worth uses surface water from Lake Worth, Eagle Mountain Lake, Lake Bridgeport, Richland Chambers Reservoir, Cedar Creek Lake, Lake Benbrook and the Clear Fork Trinity River. Fort Worth owns Lake Worth.

Arsenic In Fort Worth Drinking Water

Arsenic is a toxic metal that is known to cause cancer and other health issues. Unlike lead, which leaches into water from plumbing, arsenic comes from the source water itself. Fort Worth's water quality is in compliance with the EPA’s loose water quality standards but it is very important to point out that EPA’s standard balances the toxicity against the costs of removing arsenic from drinking water at the municipal level. The most recent Fort Worth water quality report reported an arsenic concentration up to 1.5 parts per billion for the city. Hydroviv recommends that anyone with more than 1 part per billion take steps to remove arsenic from their water, especially if children are in the home. 

Lead In Fort Worth 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 Ft. Worth water samples analyzed for lead revealed concentrations of 7.7 parts per billion. Though Fort Worth's water quality is in compliance with 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.

Chromium 6 In Fort Worth Drinking Water

Chromium 6 (also known as hexavalent chromium) is a highly toxic metal that is not regulated by the EPA. In recent years, Fort Worth’s drinking water has averaged 54 parts per trillion for Chromium 6. For a bit of perspective, these levels are 2.7 times higher than the concentration determined to have negligible impact on cancer risk

Disinfection Byproducts (DBPs) In Fort Worth 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 discusses the association between high levels of disinfection byproducts and an increased risk of bladder cancer, as well as kidney, liver, and central nervous system problems.

Chloramine Used To Disinfect Fort Worth Drinking Water

While most cities use chlorine as the primary disinfectant, Ft. Worth's water is disinfected with chloramine (produced by mixing chlorine and ammonia). Chloramine is primarily responsible for what many customers report as the “bad taste” of tap water, and unlike chlorine does not dissipate if a container of water is left in the refrigerator overnight. Most one-size-fits-all water filters use filtration media that doesn’t do a great job removing chloramine, but the filters that we design and build at Hydroviv for Fort Worth uses special filtration media that is purposefully designed to remove chloramine as well.

Still Have Questions About Fort Worth 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 Fort Worth, 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 Fort Worth 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).

Please Share This Fort Worth Water Quality Article On Social Media With Anyone You Think Would Benefit From The Information!

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Problems We Found in Pittsburgh, Pennsylvania Drinking Water

Emma Schultz @ Thursday, October 5, 2017 at 2:02 pm -0400

Emma Schultz M.S. | Scientific Contributor
Updated June 11, 2021 to include current data

For our assessment of Pittsburgh's water quality, our Water Nerds aggregated water quality test data from the Pittsburgh Water & Sewer Authority, the U.S. Environmental Protection Agency (EPA), as well as from samples that we collect and analyze. Our team then cross references these data with toxicity studies in scientific and medical literature. The water filters that we sell in Pittsburgh are optimized with these issues in mind.

Source Of Pittsburgh Drinking Water

Pittsburgh tap water originates from surface water. Water is drawn from the Allegheny River before being treated at various treatment facilities. Pittsburgh Water typically treats and distributes 70 million gallons of water every day. 

Lead In Pittsburgh Drinking Water

Pittsburgh has a problem with lead in drinking water. Lead enters into home tap water through old lead service pipes and lead-containing plumbing. When corrosion control measures fail (such as the recent crisis in Flint, Michigan), lead leaches into drinking water, and can reach toxic levels. Recent analysis for lead in Pittsburgh found a 90th percentile concentration of 5.13 parts per billion. In addition, 2 of the 158 samples exceeded the Federal Action Level of 15 parts per billion.

It should be noted that Pittsburgh is still in compliance with federal regulations, because “an action level exceedance is not a violation”. EPACDC and American Academy of Pediatrics all acknowledge that there is no safe level of lead for children. In addition, federal regulations cannot take into account levels measured at an individual tap. Check out this 2016 article for more information on lead contamination in the Pittsburgh water supply.

Chromium 6 In Pittsburgh Drinking Water

Chromium 6 is a highly toxic metal that is not currently regulated by the EPA. Pittsburgh’s tap water has recently averaged 535 parts per trillion for chromium 6. For a bit of context, these levels are over 28 times higher than the concentration determined to have a negligible impact on cancer risk.

Disinfection Byproducts (DBPs) In Pittsburgh Drinking Water

DBPs are a type of halogenated emerging contaminants that form when chlorine-based disinfectants are added to the water supply, and subsequently combine with naturally-occurring organic matter. These chemicals are not yet well-regulated, but the EPA has stated that they have been linked to increased risk of bladder cancer, and kidney, liver, and central nervous system problems. EPA regulates two types of DBPs: Total Trihalomethanes and Haloacetic Acids 5). Pittsburgh’s tap water has recently had moderately high levels of DBPs, and the highest concentration of Trihalomethanes was 70 parts per billion,.

Use Of Chloramine In Pittsburgh Tap Water

While most cities use chlorine as the primary disinfectant, Pittsburgh’s water is disinfected with chloramine (which is formed by mixing chlorine and ammonia). Chloramine is the primary culprit for what many customers report as the “bad taste”of tap water, and unlike chlorine will not dissipate if left in the fridge overnight. Most one-size-fits-all water filters use filtration media that successfully removing chloramine, but the filters that Hydroviv builds for Pittsburgh's water problems use special filtration media that are designed to remove chloramine as well.

Still Have Questions About Pittsburgh's Tap Water?

Hydroviv is a water filtration company that uses water quality data to optimize water filters for each city’s water. The chemicals that we list above are what we consider to be “points of emphasis” so we can build the best water filter for Pittsburgh tap water, but all of our home filtration water systems provide broad protection against other contaminants commonly found in drinking water (e.g. VOCs, heavy metals [including lead], pharmaceuticals, solvents, pesticides, mercury).

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

Please Share This Pittsburgh Water Quality Article On Social Media With Anyone You Think Would Benefit From The Information!

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