The indicator “Index of Vulnerability for Elevated Nitrates” is based a USGS logistic model (Frans, 2008; Tesoriero and Voss, 1997) that estimated the probability of elevated nitrate concentrations in groundwater. Its strength is that it is representative of the region including tribal communities and rural areas with limited data.
Key Vital Sign Indicator Results
This indicator is new as of July 2019. Key messages are in development.
No targets are currently set for this indicator.
This is a new indicator as of July 2019 and the data source is in development.