River Alert Information Network
RAIN is a regional source water protection (SWP) program dedicated to protecting shared drinking water resources used by community water systems.
RAIN's mission is to serve the public by creating an Early Warning System (EWS) in the Ohio River Basin to address public health issues, watershed protection and environmental accountability.
Current River Data
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River Data Trend Graphs
River Data Trend Graphs are available for pH, conductivity and temperature collected from various sites along the Allegheny, Monongahela, and Ohio rivers. Each trend graph displays the data available for a 4 hour period of time. The current trend graph links displayed here make it easier to access current data trends for pH, conductivity and temperature in near real time from one central location.