Our Methodology

At Town Water Check, we're committed to providing accurate, up-to-date information about tap water quality across the United States. Here's how we collect, analyze, and present our data:

Data Sources

We compile water quality information from multiple reliable sources:

• Public water system Consumer Confidence Reports (CCRs)
• EPA's Safe Drinking Water Information System (SDWIS)
• State environmental and health department databases
• Independent testing and research organizations
• Academic research studies

Analysis Process

Our team of scientists and data specialists:

• Collect and standardize data from diverse sources
• Compare contaminant levels to EPA standards and health guidelines
• Assess overall water quality based on multiple parameters
• Identify trends and potential concerns
• Develop tailored recommendations based on specific water profiles

Transparency

We are committed to transparency in our methodology:

• We clearly cite our data sources
• We explain our rating system and how we evaluate water quality
• We acknowledge data limitations and uncertainties
• We regularly update our information as new data becomes available
• We maintain independence from water treatment companies and other commercial interests

Our goal is to provide information that is both scientifically sound and practically useful for everyday decisions about tap water.