Related Experiment Videos
Acute fluoride poisoning from a public water system
B D Gessner1, M Beller, J P Middaugh
1Division of Field Epidemiology, Centers for Disease Control and Prevention, Atlanta.
The New England Journal of Medicine
|January 13, 1994
Summary
An Alaska water system outbreak of acute fluoride poisoning affected 296 people due to excess fluoride. Regular water system inspections and fluoride monitoring are crucial for public health and preventing future poisoning incidents.
Area of Science:
- Environmental Health
- Toxicology
- Epidemiology
Background:
- Acute fluoride poisoning presents with gastrointestinal and neurological symptoms.
- An Alaskan village experienced an acute fluoride poisoning outbreak in May 1992 due to contaminated public water.
Observation:
- A case-control study defined fluoride poisoning by specific symptoms (nausea, vomiting, diarrhea, abdominal pain, paresthesias) occurring between May 21-23.
- Residents drinking water from the implicated well during the outbreak period had a 91% illness rate, compared to 29% and 2% for other groups.
Findings:
- The contaminated well water had a fluoride concentration of 150 mg/L, significantly higher than the safe level.
- Elevated urinary and serum fluoride concentrations were detected in affected individuals days after the exposure.
- The outbreak was attributed to inadequate monitoring, control system failures, and a mechanism allowing fluoride concentrate into the water supply.
Implications:
- Public water systems require rigorous inspection and continuous fluoride concentration monitoring to prevent acute fluoride poisoning outbreaks.
- Effective public health strategies must address water quality control failures to safeguard communities from toxic exposures.