An Overview of Lopez Island Water Quality Results 2006-2008
*Fecal coliform must meet two separate conditions in order to determine class. **A circle that contains two colors shares standards.
All surface water sites in San Juan County are to meet the Extraordinary or Class AA Washington State water quality standard.
An Overview of Lopez Island Water Quality Results 2004-2006
*Fecal coliform must meet two separate conditions in order to determine class. **A circle that contains two colors shares standards.
All surface water sites in San Juan County are to meet the Extraordinary or Class AA Washington State water quality standard.
Graphed Annual Water Quality Results
NOTE: Fecal coliform must meet two separate conditions in order to determine class (See standards above).
Percentage of Fecal coliform Sampling Averages per Class Level
NOTE: For graphing purposes, all raw data has been adjusted to correspond with different turbidity background levels (BGL) for each site.
NOTE: Due to sampling dates with no flow data taken, a dotted line has been inserted to connect points separated by a missing flow data point. For example, if the water was still, dry or too dangerous to enter.