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For systems using chloramines, is there any guidance available on performing chlorine burns? Time of year? Length of switch (min/max)? Any other information?
What is the acceptable level of chlorine (MIn. and Max.) in drinking water to control Legionella and at the same time be safe to drink.
Are chloramines harmful to fish?
Are children or adults exposed to too much fluoride?
Are there public water systems that exceed the drinking water standard for fluoride? Why? What do they do about it?
Are drinking water additives, such as chemicals used for fluoridation and coagulation, regulated by the Safe Drinking Water Act?
Are public water systems required to monitor for sodium?
Are there limits to the amount of sediment or sand allowed in drinking water? If yes, is there a maximum particle size?
Can Cryptosporidium pass through the skin and make you sick?
Has EPA established a maximum contaminant level (MCL) for sulfate in drinking water?
Does EPA plan to revise the fluoride drinking water standard?
Does the Safe Drinking Water Act regulate radon?
Doesn't fluoride occur naturally in water? What if my water system has naturally-occurring fluoride above 4.0 mg/L?
How are advised standards for Secondary Standards (specifically TDS) determined?
How can perchlorate be removed if it gets in my drinking water?
How can I remove MTBE from my water?
How does arsenic get into drinking water?
How does fluoride get into tap water?
How is radon in my drinking water related to radon in indoor air?
How will I know if I have perchlorate in my drinking water?
I am concerned about cadmium in my drinking water. How can cadmium be released into the environment?
I found the language verbatim on both your website & the CDC's, "Yes, if you and your child are among the 196 million Americans who receive their water from an optimally fluoridated community water system (0.7 to 1.2 milligrams per liter) and you follow.
I have heard that EPA regulations regarding the amount of fluoride added to drinking water are changing. Could you expound on how these changes are taking shape?
I am concerned that the salt used for highway deicing is contaminating my well water supply. Can these chemicals affect the quality of my drinking water?
I am seeking clarification about TCR monitoring. I reside in an area with a large public water utility serving about 2 million residents. We live in a place that commonly has water quality problems and TC+ results. Recently, the utility began using a crea
I don't want fluoride in my community's water supply. We were told that once it was voted in on the municipal level, EPA does not allow for its removal. Is this true?
Is my water system supplying fluoridated drinking water?
I have read that it is possible to treat drinking water with uranium contamination to levels at or below 20 µg/L. I have also read that EPA proposed an MCL of 20 µg/L in 1991. Why is uranium regulated at 30 µg/L and not 20 µg/L?
In addition to water, what are other specific sources of fluoride?
Is my child getting an appropriate amount of fluoride from drinking water and tooth brushing?