Welcome to the RVCA Hydrology Information System(HIS) Portal
The HIS Portal is where you can access the RVCA's Hydrology Data. The HIS Portal serves as your gateway to the Hydrology Information you are looking for within the RVCA's watershed. You will be able to quickly search for, locate, and interact with this information.
Hydrology Information available :
- RVCA Surface Water Quality Monitoring Here you will find the RVCA tool for querying the Water Quality data for it's Suface Water Quality Monitoring Network. Select a sample site and a sample parameter and plot the results. NOTE: Currently only available for our Stream Montiroing Sites, Lake Sample Sites and PWQMN will be available soon. Click HERE to learn more on how to use the the Water Quality data tool.
- Stream Flow and Water Levels Here you will find Stream flow and water level measurement from the RVCA's Water Quantity Gauges.