PFOS in Water – Is there are formal drinking water standard?
Source: New Hamphire Public Radio – 11/5/2018
“Right now, state regulators are doing something they’ve never done before: writing their own limit on a chemical contaminant in drinking water.
It’s called a maximum contaminant level, or MCL. In the past, like most states, New Hampshire has used federal standards as its default MCLs.
Now, the legislature has told the Department of Environmental Services for the first time to write its own MCL, from scratch.
It’ll require public water systems to routinely test and treat drinking water for four types of likely toxic PFAS chemicals – known as PFOA, PFOS, PFHxS and PFNA.
The MCLs will also become the state’s new ambient groundwater quality standard for the chemicals, meaning if cleanup will be required if they’re found in groundwater at a higher level.
Right now, the state uses the federal government’s advice of 70 parts per trillion as its groundwater cleanup standard. The state has no formal MCL for PFAS in drinking water.
The new MCL is expected to be more stringent than that EPA guidance, and will require costly new testing and treatment protocols for drinking water systems around the state.
PFAS, or per- and polyfluoroalkyl substances, were once common in a range of industrial and household products. They have been linked to serious health problems and have contaminated water supplies across the state and country……..”
Get Your Drinking Water Tested for PFOS/PFAS
This Year- Asked About Reverse Osmosis Treatment System
For some reason, this year we received a lot of questions from individuals looking to purchase or install a reverse osmosis treatment system. The first question they all ask was about the features, models, and other details, but none answer the question why? What was the problem or purpose? They assumed they needed this system.
So my questions went as follows:
Question 1: Why? What is the Problem – their answer in all cases was they thought it would be better.
Answer 1: They all thought they needed to install a reverse osmosis unit on their drinking water to protect their family. They did not identify a problem such as salty water, metallic taste, etc. When this happens, my first assumption is something went wrong somewhere or there is a new water treatment ad on TV pushing citizens to drink “Pure Water”, i.e., H20 or dihydrogen monoxide, only. First – Drinking absolutely pure water for the long-term is not wise.
Question 2: Where does your water originate? Well water, City or Public water, or shared spring.
Answer 2: 80% said city or public water, 10 % said private well, and 10% said a local spring.
For the city and public water users, I said it was unlikely you needed a reverse osmosis unit because your source is regulated and must meet the state and federal drinking water standards, but after Flint and other cases this may not be true 100 % of the time. I ask them if they look at the Consumer Confidence Report for their system and they had no idea what I was describing. I pointed them in the direction of the EPA Consumer Confidence Report (NOTE: If there is no report online, you will need to call your water supplier) and in every instance the water source was meeting drinking water standards, but they had some occasional problems with trihalomethanes, i.e., chlorine by-products, bacteria, and a few with copper, arsenic, fluoride, and lead or corrosion issues. For these individuals, I recommended the following:
a. Get a Comprehensive City Water Information Analysis
b. Based on the initial information and assuming the primary issue was trihalomethanes and chlorine by-products, the primary need most individuals was an under the counter “Point-of-Use” Carbon Filtration System for the Sink, Refrigerator, and/or Shower and in some cases for older homes I suggested a first flush test for lead and copper and then have a plumbing contractor inspect the service lines and plumbing in the home. In one case, the homeowner found a slimy bacterial growth in the toilet tank reservoir, so we suggested they flush the system and suggested the installation of a water filter canister so they could flush and shock disinfect the water lines in the home. For a small office, I might suggest a water cooler model. I do not recommend a Whole House Reverse Osmosis unit.
c. Reverse Osmosis Treatment was not needed in ALL cases.
For the well water users (POE Systems- UV disinfection), I asked them when was the last time they tested their water and if the water had any aesthetic problems. One complained of a salty taste, one was just concerned because of health issues, and the rest reported aesthetic problems ranging from odors to discoloration to staining. If they did not have a recent water test, we recommended the appropriate water testing based on their description of the problem and surrounding land-use activities.
Homeowners that reported – Salty Water Taste and not near a gasoline station or farming area we recommended a basic water quality test with bacteria.
Homeowners that reported discoloration that was red, black, green, and/or a metallic taste we recommended a basic water quality test.
Homeowners that reported a chemical odor or metallic sheen and located in an area surrounded by agricultural activities or petrochemicals we recommended a test that included bacteria, metals, Volatile Organics, herbicides, and pesticides. If they reported slimy coatings or films, we added a nuisance bacteria test.
We also directed a few of these users to our Phone App and Diagnose It for a self Diagnose.
At this point, NOT one of these individuals has installed a reverse osmosis unit, but it looks like the guy with the salty water may need a system. We did find out that about 90% of the well owners needed to shock disinfect their well, 50% needed to install a UV disinfection System, 30% had a corrosion related problem, and 20% had to treat the water for an iron, manganese, or sulfur problem.
For the “Spring User” – we recommend the water be tested for total coliform and E. coli. and general water quality. If the samples come back positive and there was a concern iron and manganese content we recommended a water test that included bacteria (including standard plate count and nuisance bacteria, iron, manganese, and total dissolved solids). Some of the users complained about getting diarrhea, so we recommend the equivalent of a Pathogenic Screen Test for Your Drinking Water.
Guess What ! – the diarrhea case was positive for 1 pathogenic organism. Our recommendation was to not use that spring and if possible have the spring properly abandon. If you want to use a local spring source, plan on boiling the water at a minimum and use a water pitcher filter (test regularly at least quarterly).
For the guy that needed a reverse osmosis system, he also needed a pretreatment system to deal with the bacteria, hardness, and prepare the water for the R/O unit. For individuals on city water that want a point of use R/O, we have found that is is typically necessary to prefilter the water to remove particles, add a carbon unit to remove chlorine, and is some cases reduce the hardness of the water. Please keep in mind both applications are for Point-of-Use and not – Wholehouse RO treatment.
Looking for a Reverse Osmosis Unit – Questions?
- How much water do I need per day?
- Does my water require pretreatment? If you do not have recent water testing data, we recommend this comprehensive assessment (Complete RO screen). Testing for silica is critical.
- How much water will be “wasted” per day and where will this water go? Some R/O units process 2 to 4 units of water to make 1 unit. Therefore, you may waste 1 to 3 gallons of water to make 1 gallon.
- Do I need to install a booster pump- Do I have the proper pressure in my system?
- Do you need to re-mineralize the water for taste or to increase the pH?
Interesting R/O Unit with Booster Pump
Finally -You may want to be looking for an NSF/ANSI 58 approved systems – You can try this product search. “NSF/ANSI 58 establishes the minimum requirements for the certification of point-of-use (POU) reverse osmosis systems designed to reduce contaminants that may be present in public or private drinking water. The scope of NSF/ANSI 58 includes material safety, structural integrity, total dissolved solids (TDS) reduction and other optional contaminant reduction claims. The most common optional claims addressed by NSF/ANSI 58 include cyst reduction, hexavalent and trivalent chromium reduction, arsenic reduction, nitrate/nitrite reduction, and cadmium and lead reduction.” and you most likely want to hire a local trained professional to assist with product selection and install. If your looking for a treatment system to remove Pfas/Pfos (meets NSF P473)
Training
If you are looking for Training on the Subject – Visit : Basic Water Treatment Course (Search Water Supply
(Topics: Desalination, Disinfection, Membrane Filtration)
More -Training – Visit Training Professionals
Please share the site – We try to be as fact based as possible and try to provide solid information.
Manufacturers
Eastern Region Water Quality Association 2018
B.F. Environmental Consultants Inc and the Keystone Clean Water Team attended the Eastern Regional Water Quality Association 2018 Conference at Kalahai in the Poconos in September 2018. During this conference, we did the following:
- Taught our 1 day course on water sampling, chain-of-custody, and working as a water professional.
- Conducted a 1 hour training session on what is in my water 2018 by Brian oram!
- Presented our new tools for the industry
- Diagnose It – http://www.knowyourh20.us/diagnostic
- Presented our Updated Free Phone Apps – http://www.knowyourh2o.us/download-our-mobile-app
- Announced our NEW Drinking Water Educational Booklet – http://keystone.carbonwaters.org/pennsylvania-groundwater-quality-guide
- Announced our New Training Portal for Professionals
Things you can do to make a difference.
Share Our Portal
Private Water Wells Lycoming County Pennsylvania Flooding Contaminated Drinking Water
Lycoming County, Pennsylvania – Flooding Private Water Wells – contaminated drinking water
With the significant and long-term rainfall events, we have rural areas that have undergone flooding. If your area has been flooded and you use private water wells, you must take some action to ensure that your water well is thoroughly cleaned and sanitized. When water wells become inundated or a region floods, it is possible that the contaminated water may enter the water well directly via the well cap or indirectly through natural macropores (i.e., spaces between the rock or particles of sand and gravel, in the unconsolidated material or bedrock. OUR suggestions are as follows:
- Do not panic!
- If you are not handy, we recommend that you contact a licensed professional well driller.
- If you are handy and have power, we recommend that you inspect the area around the well and remove the well cap and shock disinfect the well.
- We would recommend the well be purged to waste – do not purge the water into the septic system or back directly into the well initially. When the well water appears clear, recirculate the water back into the well to wash down the sides of the casing. Please make sure to by-pass any water treatment devices and water filters and do not run this water through your main plumbing of the home.
- We then recommend that the well and main line be shock disinfected twice. This is our website that contains information on how to shock disinfect a well and a link to a video that reviews the process and to the preferred chemical to use (Link to Amazon). Please note- Some local well drillers has this chemical available. If you can not get this chemical, it is ok in an emergency to use household bleach that does NOT contains scents, fragrances, or other additives.
- After the well has been shock disinfected and purged one to waste, the second shock disinfection should be to the well and the distribution system of the home. When you conduct this disinfection, it is critical that you remove all aeration devices, by-pass all filters, and remove any hoses or connections that have inline filters or screens, i.e., your washer hoses and you may want to consider raising the casing, adding a sanitary well cap, and adding a Well Seal.
- When you believe you have shock disinfected the well properly, we recommend the following:
- Screen the raw untreated well water and the water from the piping of your home using a DIY Informational Water Testing Screening Test. (Link to TA – portion of the proceeds benefits the Keystone Clean Water Team)
- If the screening test is negative, we would suggest that you then contact a certified laboratory PA by county and have the water tested for at least total coliform and E. coli. using a method that gives you a physical count, i.e., an enumeration method.
- If the water is still positive for total coliform and/or E. coli, we would recommend that you shock disinfect the well and distribution system a second time, but use a longer reaction time and then retest using a certified laboratory.
- If you are in an area with farming or petrochemical storage or high use, we would also recommend an informational water screening test that includes trace metals, herbicides, pesticides, and volatile organic compounds (Link to NTL – portion of the proceeds benefits the Keystone Clean Water Team).
PS: Adding too much disinfection chemical to the well is not wise, this can cause the release of arsenic and other trace metals into the water.
Recent Concerns:
Worms in Well Water
Forever Chemicals in Drinking Water
The Keystone Clean Water Team is a 501 c3 that focuses on Pennsylvania, but helps private well owners and small water systems worldwide.
For more information about us, please visit our portal. We have a new educational booklet on groundwater in Pennsylvania. More Questions -visit us at Water-research.net
If you can – give us a hand – all we ask is you share, retweet, and help promote our social media platforms. If you can donate – GREAT !
New Question – Looking for Filter to Remove Giardia and Cryptosporidium
During the last week, we received multiple calls about testing for Giardia and Cryptosporidum in Well Water and City Water. Our response is yes we can help, but is that the best course of action?
We first asked why? Is someone sick – Response – NO!
Then why the interested?
The repsonses:
Newspaper Article about a problem in different area. (2 people)
A friend as this problem. (1)
They saw something on social media.(8)
A water treatment person (plumber) mentioned that my system does not remove. (2)
What is your water source? Well Water (3 people), City Water (10 people).
Have you had your water testing for Total Coliform Bacteria and general water quality? Yes (2 people) and NO (11 people).
Do you have a copy of your “city water” annual report? NO (10 people)
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My suggestions:
1. Get a copy of the “city water annual report” by calling the water company or going to their website or go to https://www.epa.gov/ccr. If you need help reviewing, contact the Keystone Clean Water Team.
2. Get your water tested or run at a minimum a self testing. At a minimum, go to https://watertestingkits.com/ref/10/.
3. Try a point of use filter – Should meet NSF Standards 42 & 53 for contaminant reduction, such as PUR Classic Clear FM-3333B filtration system, see https://amzn.to/2QN6hQU using the PUR RF-3375 2-stage filter https://amzn.to/2xwtU9p
As always, we hope this helps – someone.
Water Treatment – “The Salt Free Water Softener”
The Keystone Clean Water Team is a 501c3 and the main goal of the organization is to educate and inform the public on issues related to watershed management, water quality, groundwater, conservation, and the links between the environment, economy, and living within a community. As a group, we provide educational outreach via are webportals, workshops, and other training programs. During the past year, one of the most common questions we get ask is: “What do you think of the “Salt Free Water Softener”, my normal answer is “It depends”.
For some “salt free water treatment” systems by most common answer is quackery. I will not mention these systems, but I will refer you to a great website so we do not have to worry about liability (H20.com). Of the softener and “salt-free” systems we have been able to seen the field the ones that appear interesting would include the following:
Water Softener (Conventional and With A Twist)
In general water softeners reduce the level of total hardness in the water and when this hardness is removed it is replaced with ions of sodium or potassium. The total hardness can include elements like calcium, magnesium, iron, manganese, and other divalent/or mulivalent cations, i.e., ions that have a positive charge of more than one. These ions are replaced by ions with a positive charge of one. The system requires an internal resign that acts as the treatment area and a brine tank that is used to backwash and recharge the resin. These have a long-history of use, but can increase the level of sodium and potassium in the water. These systems can be vulnerable to bacterial regrowth, chlorine interaction, and in some cases “Iron Out” needs to be added to the brine tank. A water softener can add in dealing with issues related to more significant scale formation and problems with iron and manganese. If you are considering this treatment system, we recommend that you conduct a comprehensive water quality test and seek the advice of a local expert. If you are a DIY, get your water tested and please visit this portal (Whole House Water Softener / Alternative No-salt Softener (just reduces hardness- Using a Crystal Eagle Anti-scale media ) ). For the record, we have seen problems when a water softener is added to an older home and system. In these cases, we have seen that water softener was typically removing too much of the water hardness. When this softened water was introduced to the system, the system experience elevated levels of lead, copper, and other trace metals and because the line was not properly shock disinfected intermittent water quality problems with “dirty and discolored water” (PS: this is Flint Michigan in a nutshell).
Aquios Systems (Aquios FS-220) (Salt Free)
The Aquios technology uses a polyphosphate/silicate additive in the media to bind or sequester the hardness as a mineral form. The media is known as Siliphos Data Sheet. Rather than feeding a polyphosphate chemical into the water like is done for corrosion control and sequestering for some municipal water sources, this is accomplished using a point of entry or use treatment system. The filter has a fixed capacity for hardness reduction, so it is critical to get a detailed water quality test so the system can be properly sized. In addition, the system normally included prefiltration to reduce or remove sediment and chlorine.
This systems uses a chelatin approach to reducing the total hardness of the water. Therefore, the hardness is bound and sequestered within the media, which is very similar to the Aquios approach, but they use CitraCharge. CitraCharge appears to be an additive that includes citric acid, which is a weak organic acid. From the companies website, “The chelant in CitraCharge creates a ring structure to bind the ions to the CitraCharge instead of to other ions, which is what typically causes scale and hard-water deposits.”
Other Products
Lemi Shine Natural Dishwasher Cleaner – Citric Acid Cleaner (Dishwasher, etc)
Citic Acid based cleaner-Food Grade Citric Acid Powder Natural Cleaner & Descaler
Please make sure to get your water quality tested. For this problem we would recommend, the following for Well Water or City Water.
Keystone Clean Water Team – Groundwater Foundation Library – Links to Educational Webinars – Groundwater Guardians Pennsylvania
“The Groundwater Foundation’s library of FREE educational webinars, available on-demand.”
The Keystone Clean Water Team (KCWT) -Carbon County Groundwater Guardian Program (CCGG) is a 501(c)(3) non-profit, volunteer, environmental education organization which provides homeowners with information on private wells, water quality and quantity, and septic systems. We are dedicated to protecting private well owners from illnesses caused by our drinking water. We advance good groundwater stewardship by raising awareness on a variety of groundwater issues that affects everyone with a private water supply. We can help you get your water tested at the lab of your choice and explain the test results.
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Click on the webinar title for a description, presenter information, length, and link to view.
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Becoming a Groundwater Guardian Green Site: An Overview of the Application Process
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Introduction to Groundwater Guardian Green Sites
Our Educational Booklet on Groundwater
Looking for a speaker related to Well Issues, Septic Systems, or Groundwater in Pennsylvania – contact: http://www.pacleanwater.org
Your Water Appliances Have a Warranty – Does Your Drinking Water Quality Violate this Warranty?
Have you read your warranty on that $ 1500.00 appliance, GUESS WHAT? If your drinking water quality is not appropriate your warranty may be invalid. The same goes for the water heater, other heat exchange devices, dishwashers, clothes washers, and other water related appliances. At the Eastern Regional Water Quality Conference in September 2017, I meet Kris Toomey from LH Brubaker Water Conditioning. He told me a bit about his business.
“Appliances and water treatment go hand in hand. The benefits of soft water for appliances are plentiful. It is a perfect marriage between providing an appliance that improves the quality of life for a family and offering water treatment equipment to ensure the long-term reliability of the state-of-the-art appliances and at the same time providing a barrier to protect the family. Providing the appropriate water quality treatment of the household water is like offering an additional “insurance policy” for the house, family, and the appliance. Not only are you protecting their investment, but you are helping with soap savings, skin and hair benefits as well as protecting the plumbing system, water heater, and plumbing fixtures. In many cases, this action is necessary to protect the warranty on the new equipment. There is no better feeling than ensuring that the family walking through your door making an investment in their home is given the right information to ensure the reliability of the appliances. Every fridge that leaves the store has an opportunity for an RO system to provide the highest available purified water option and this additional barrier protects not only the appliance, but also the family.”
For example: Depending on the hardness of your drinking water, the concentration of the total hardness or hard water or the corrosiveness of the water may void or invalidate the manufacturers warranty, the HOME Warranty, and any extended warranty of your water related appliances, such as: dishwasher, refrigerator, washing machine or water heater due to its corrosive nature. A typical water heater warranty, for example, could state that the heater is covered for anywhere between 6 -12 years. If you actually read the warranty, it may actually list specific water quality parameters that should not be exceed or conditions, such as scale formation due to water quality or corrosive water conditions. Therefore, if you buying a water appliance from a business that does not recommend getting your water tested and you are on a private well or on city water that has occasional problems, you should ask about the terms of the warranty and get your drinking water tested. At a minimum, the Know Your H20 Team recommends the installation of a whole house particle filter (Well Water or City Water (basic approach / advanced approach)) to protect home water appliance from corrosion related to the presence of particles in the water that could damage piping.
Kris Toomey CWS-1
Director of Water Sales
LH Brubaker Water Conditioning
ktoomey@lhbrubakers.com
717-945-5851 ext. 206
Find Other Water Professionals
Impact of Water Quality on Water Heating Equipment
“The local water quality is one of the factors that contributes most significantly to the long-term performance and longevity of water heating equipment. Specifically, highly alkaline water will lead to the accumulation of scale, which will impact the efficiency of tankless and gas storage water heaters and can lead to decreased equipment life.”
and
“Hard water cut that efficiency by 48% due to scale build up and shortened the life of the heating elements. In some test instances, tankless water heaters failed after 1.6 years of use.” (Source)
Note:
Learn about the warranty when purchasing a water related appliance and Get Your Water Tested (Well Water or City Water) Requires Different Testing! You may not need a whole house filtration system just a water treatment system on the water going to the on-demand water system or a POU Water device, especially on city water that may contain water treatment chemicals that create chemical scales.
Your Drinking Water and Your Health – You are Not an Observer !
Even though 60% of the human body is water, water is a resource that is often taken for granted. The primary concerns with water relate to having adequate quantity of the proper quality. In terms of hydration, drinking water is probably one of the best ways to keep your body healthy. Water is used in your body to help maintain your temperature and ensures the proper operation of your circulatory, digestive, and neurological systems. Water is one of the pathways that potential contaminants and disease causing agents can enter the body, so the quality is also important. Therefore, we need drinking water of adequate quantity of the proper quality.
When the body is not properly hydrated, our body’s response is to make us feel thirsty, but if you miss this clue watch out for dry mouth, swollen tongue, weakness, dizziness, confusion, palpitations, and fainting. If over hydrated, you can become water intoxicated or hyperhydration. If hyperhydration occurs, the kidneys can not process all the water and the system becomes overwhelmed. There are phone apps and other tools to help you to remember to drink enough water, but our general recommendation is if you feel thirsty it is time to get a drink and given a choice pick water.
Water comes in many forms, which can include premium bottled water, tap water, spring water, carbonated water, soda, coffee, tap water, nutrient infused water, juices, and purified water. Of all these, it is my professional opinion that we just need to drink water. The two most common sources of drinking water for a community is either public water or a private water source. A public water source is always regulated by both the federal and state governments and many may call this city water or tapwater, but well or spring water may be from a public or private source. If you get your water directly from a well or spring, this is a private source and this is not commonly regulated.
If you get your water from city water, the most common health concerns are related to the presence of chlorine-by-products or corrosive by-product in the United States, the public water supply systems are disinfected using various forms of chlorine and phosphate is added to attempt to control corrosion. The chlorine is used to disinfect the water, but it can react with naturally occurring organics to form trihalomethanes, i.e., a potential carcinogen; while phosphate will react with the metals in the water to form a scale or coating on the inside of the piping, see “Flint, Michigan”. If you are on well water, the most common problems are the presence of bacteria and elevated levels of salts in the water, like nitrate, chloride, and sulfate, or corrosive water. In some cases, the water may contain elevated levels of radionuclides and trace metals, like arsenic, iron, lead, and manganese. The quality of the drinking water depends on type of water, location, level of treatment, the condition of your plumbing, and your home or house. In some areas, the community is concerned about pipelines and natural gas development, but a hidden problem may be the existing quality of their drinking water.
For citizens, our general recommendations related to drinking water are:
1. City Water Customers– Review any annual “Consumer Confident Reports” produced by your water supplier and act accordingly.
2. Private Water Sources -Get your water tested, at least annually, and have the results review by an expert (our Mail order program) or maybe conduct a in-home screening test yourself and calculate your Water Quality Rank.
3. Look out for potential problems with your drinking water, based on what you can see, taste, smell, or otherwise detect with your senses or problems that may be caused by the water.
4. Review our Drinking Water Diagnostic Web Application.
A few short phrases we should try to remember.
We ALL Live Downstream !
Groundwater and Surface water are Connected!
We are Part of the Water Cycle – Not just an Observer!
Websites of Interest
Consumer Confidence Reports
https://www.epa.gov/ccr/ccr-information-consumers
Neighborhood Hazardous Reports and Water Testing
http://www.knowyourh2o.com