Skip to content
TransparencyMedium

False Negatives for Water Quality-Associated Beach Closures

Occurred
Jun 3, 2022
Published
Nov 4, 2022
Source
AI Incident Database

Summary

Toronto’s use of AI predictive modeling (AIPM) which had replaced existing methodology as the only determiner of beach water quality raised concerns about its accuracy, after allegedly conflicting results were found by a local water advocacy group using traditional means.

Developers

  • Toronto Public Health

Deployers

  • Toronto city government

Harmed parties

  • Sunnyside beachgoers
  • Marie Curtis beachgoers
  • Toronto citizens

Classification

Category confidence: 85%
Severity confidence: 80%

Rationale: AI predictive modeling replaced traditional methods, raising accuracy concerns and lack of explainability in public health decisions.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

Visit source