Every year, Heal the Bay puts out a beach report card, providing essential water quality information to the millions of people who swim, surf or dive in the coastal waters of the West Coast. The …

In 2014: Looks like San Diego’s drought affects more than water quantity—and we have the data to show it. We proudly announce the results of our 2014 Water Quality Monitoring efforts, and a few key takeaways …

Water Quality Index Score: 12, Poor Let’s acknowledge that we only gathered one sample from the Tijuana Watershed in 2014. Thankfully, the Tijuana-based sewage treatment plant handles and purifies 50 million gallons of river water …

Water Quality Index Score: 53, Marginal If we’re going to call Los Penasquitos the average watershed example of San Diego County, we’re going to call Otay Watershed the most consistent watershed in the county. Its …

Water Quality Index Score: 62, Marginal Our data in Sweetwater Watershed showed: Very low dissolved oxygen levels Usually high ammonia and phosphorus concentrations Again, another watershed indicative of extremely low water flows creating high nutrient …

Water Quality Index Score: 64, Marginal A few key takeaways from our Pueblo Watershed data: Chollas River sites often had very high phosphorus and ammonia Volunteers found and removed lots of trash from our sampling …

Water Quality Index Score: 62, Marginal 2014 was not a good year for the San Diego River. It dropped two levels on our Water Quality Index score, moving from Good in 2013 to Marginal in …

Water Quality Index Score: 76, Fair Well, here it is: the most typical, average watershed in San Diego County in terms of water quality pollution and health. Our data in this watershed did not change …

Water Quality Index Score: 76, Fair Our data in San Dieguito Watershed show: Ammonia, phosphorus, and turbidity measuring at marginal on our Water Quality Index Scores Ammonia and phosphorus are nutrients. In the farm or …

Water Quality Index Score: 72, Fair To no surprise, our 2014 data showed that: Nitrate is consistently high in upper Escondido Creek In fact, four of the five samples with the highest nitrate concentrations collected …