In 2024, Federal District Court Senior Judge Edward Chen ruled that water fluoridation at current recommended levels poses an unreasonable risk to the health of children. Elevated fluoride levels in maternal urine are linked to decreased IQ in their offspring. Learn more about the risks of fluoride here.

SB333 bill prohibits the addition of fluoride to public water supply systems in Kansas, reinforcing individual choice, limiting government-mandated chemical treatment of drinking water, and protecting Kansas kids.

A hearing has been scheduled for SB333 on Wednesday, February 4th at 10:30 am in the Senate Federal and State Affairs Committee.

Please support this bill by taking all of the action steps detailed below. 

1) Testify in support of SB333

You must email the committee assistant at S.Fed.State.Affairs@senate.ks.gov with a PDF of your testimony by Tuesday, February 3rd at 10:30 am. In the email, indicate if your testimony will be written only, in-person, or via Webex. Click here to learn more about how to format and submit your testimony. The committee rules for submitting testimony can be found here.

Download sample testimonies for SB333 here. We encourage you to edit this to reflect what is most important to you about this bill and why it affects you personally. Additional talking points about the bill can be found below.

2) Contact the committee members

Contact the members of the Senate Federal and State Affairs Committee and encourage them to pass SB333. Phone calls are most effective.

• Mike Thompson (R, Chair): 785-296-7362

• Tory Marie Blew (R, Vice Chair): 785-296-7682

• Oletha Faust Goudeau (D, Ranking Minority Member): 785-296-7387

• William Clifford (R): 785-296-7694

• Brenda Dietrich (R): 785-296-7648

• Marci Francisco (D): 785-296-7364

• Beverly Gossage (R): 785-296-7382

• Michael Murphy (R): 785-296-6981

• Brad Starnes (R): 785-296-7360

• Adam Thomas (R): 785-296-7358

• Caryn Tyson (R): 785-296-6838

Copy and Paste Email List:

Mike.Thompson@senate.ks.gov, ToryMarie.Blew@senate.ks.gov, Oletha.Faust-Goudeau@senate.ks.gov, William.Clifford@senate.ks.gov, Brenda.Dietrich@senate.ks.gov, Marci.Francisco@senate.ks.gov, Beverly.Gossage@senate.ks.gov, Michael.Murphy@senate.ks.gov, Brad.Starnes@senate.ks.gov, Adam.Thomas@senate.ks.gov, Caryn.Tyson@senate.ks.gov 

Sample Script:

I am calling to urge you to support Senate Bill 333, which prohibits the use of fluoride additives in public water supplies. This bill is about protecting individual autonomy and ensuring that Kansans retain control over what enters their bodies. See additional talking points below. 

Sample Email:

Subject: Support SB 333 — Protect Individual Choice & Safe Drinking Water

Dear Representative/Senator [Last Name],

I am writing to urge you to support Senate Bill 333 (Prohibiting the use of fluoride additives in public water supplies). This bill is about protecting individual autonomy and ensuring that Kansans retain control over what enters their bodies. 

Public water should be treated for safety — to remove contaminants — not used as a vehicle to deliver substances with pharmaceutical purposes to the general public. Kansans should get to choose if and how their bodies are exposed to fluoride — not have it mandated by regulation.

Scientific debate continues over the benefits vs. risks of fluoridation. Policy should err on the side of caution and individual choice where long-term effects remain contested. SB 333 clarifies that no water regulation should require adding fluorides to public supplies.

Please vote YES on SB 333 and help protect individual autonomy for all Kansans.

Sincerely,

[Your Name]

[City, ZIP]

Additional Talking Points:

• Mandated water fluoridation constitutes involuntary medication. Public drinking water should focus on essential safety (e.g., microbial removal, contaminant limits) without adding substances intended for pharmaceutical or preventive purposes.

• SB 333 protects individual autonomy, ensuring that Kansans are not involuntarily medicated through their public drinking water and instead retain control over their own health decisions. Kansans should get to choose if and how their bodies are exposed to fluoride — not have it mandated by regulation.

• Scientific debate continues over the benefits vs. risks of fluoridation. Policy should err on the side of caution and individual choice where long-term effects remain contested.

• Water fluoridation disproportionately impacts low-income families who do not have the means to purchase filtration systems or bottled water if they wish to avoid fluoride.

• Many people don’t even know fluoride is added to their water. There is no consent process or disclosure of potential risks and benefits. Kansans deserve transparency, informed consent, and individual choice.

• The chemical added to water supplies for the purpose of water fluoridation is not natural fluoride; it is hydrofluoric acid, a toxic industrial byproduct from the fertilizer industry, not the naturally occurring calcium fluoride. This waste product is so hazardous that the EPA prohibits its dumping in landfills or release into the air.

• Water fluoridation does not effectively prevent cavities. Despite decades of promotion, scientific evidence—such as a 2024 Cochrane Review—shows water fluoridation provides only a minimal, statistically insignificant reduction in tooth decay, especially in populations with access to other fluoride sources like toothpaste.

• Unlike medications, fluoride is added to public water without considering individual age, weight, or health status. Infants and children receive disproportionately high doses relative to body size, increasing their risk of harm.

• Fluoride is not an essential nutrient, and its systemic ingestion—especially during pregnancy—has been linked to neurotoxic effects, including reduced IQ and cognitive impairments in children.

• Fluoride is an endocrine disruptor that adversely affects thyroid health. Fluoride competes in the body with iodine, an essential nutrient in the body, especially for thyroid health. A 2018 study suggests water fluoridation may contribute to sub-clinical hypothyroidism, a condition linked to adverse health outcomes such as reduced IQ in children and increased risk of heart disease.

• Individuals with diabetes are at a particular risk of harm from fluoride. The kidneys of a healthy person remove about 50% of fluoride consumed, but a diabetic with decreased kidney function may only be able to filter out 20%. Uncontrolled blood sugar can cause dehydration and extreme thirst, leading to increased water consumption, which results in a high dose of fluoride known to cause harm and suppress thyroid function.

• Fluoride is in over 300 prescription drugs. When you receive an Rx from a doctor or dentist, the pharmacist is usually the one who checks for drug interactions or to see if you take drugs containing the same ingredient, which can lead to overdose. There is no such protection with water fluoridation.

3) Attend the Hearing

The hearing for SB333 is scheduled for Wednesday, February 4th at 10:30 am. Check out our “Visiting the Kansas State Capitol” handout for information on how to get to the capitol, where to park, and more. Check this page for the hearing location. Please be advised, sometimes room assignments change at the last minute.