St Petersburg

St Petersburg, FL receives a water quality score of 55/100 (Grade D) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.

St Petersburg's water quality score is below the national average, indicating a history of EPA violations or elevated contaminant levels. Residents are encouraged to check their specific water system report and consider additional filtration.

St Petersburg's score of 55 is 9 points below the Florida state average of 64, and below the nationwide average of roughly 78/100 across all U.S. states.

St. Petersburg operates as a large Florida city relying on a single water system to distribute supply across the community. Situated in a Southeast coastal region characterized by a dense, growing population and limestone aquifer geology, the local water resources face persistent environmental demands. The poor quality rating indicates that this sole system is struggling to adequately buffer against these regional pressures. For residents and incoming homebuyers, these systemic challenges suggest that looking into household filtration or regular testing could be a prudent step.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Florida water quality rankings report →