New Water Violations Maps and Data

This layer displays the number of health based violations that have occurred in community water systems in each county and the approximate proportion of the population affected by these violations in the years 2023-2025.

Domestic Well Use For Drinking Water

New maps showing domestic well use for drinking water! The quality and safety of water from domestic wells are not regulated by the Federal Safe Drinking Water Act or, in most cases, by state laws. Instead, individual homeowners are responsible … Continued

EPA Climate Change Indicators – Change in Extreme Temperatures

This indicator displays changes in the number of days with unusually (>95th percentile) cold temperatures in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

EPA Climate Change Indicators – Change in Snowfall

This indicator examines changes in total snowfall in the contiguous 48 United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.

EPA Climate Change Indicators – Change in River Flooding

This indicator examines changes in the size and frequency of inland river flood events in the United States. Indicator data are acquired from the EPA’s Climate Change Indicators in the United States, Fourth Edition, published in 2016.