Water Quality Index Score: 66, Fair To no surprise, our 2015 data showed that: Nitrate continues to be  consistently high in upper Escondido Creek. Every single sample collected from our three upper Escondido Creek sites …

Water Quality Index Score: 80, Fair Of the nine watersheds we measure in our water quality monitoring program, San Luis Rey had the best water quality index score in 2015.  But at 79.9 (roughly a …

Water Quality Index Score: 62, Marginal The San Diego River had another bad year. Key data takeaways include: Commonly high levels of phosphorus and ammonia Dissolved oxygen at the Fashion Valley site continued to be …

Water Quality Index Score: 14, Poor Since we can only sample the Tijuana watershed when water levels are high after a recent rain, we were only able to sample the watershed three times this year. …

Water Quality Index Score: 57, Marginal Over the course of 2015, the Otay Watershed remained the most consistent watershed in the county. Unfortunately, the water quality was consistently bad. Consistently high bacteria levels: Every sample …

Water Quality Index Score: 56, Marginal A few key takeaways from our Pueblo Watershed data: Chollas River sites often had very high phosphorus and ammonia Ph and nitrate levels were the only water quality indicators …

Water Quality Index Score: 76, Fair Our data in San Dieguito Watershed show: Enterococcus levels were high phosphorous and ammonia concentrations, were also concerning Ammonia and Phosphorous These are nutrients people add to farms, lawns …

Water Quality Index Score: 53, Marginal Our data in Sweetwater Watershed showed: Very low dissolved oxygen levels Usually high ammonia and phosphorus concentrations This is another watershed indicative of extremely low water flows creating high …

Water Quality Index Score: 74, 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 …

Wow, what a year Coastkeeper has had. Our water defines our life in San Diego, and ever since two gutsy water lovers took a leap of faith twenty years ago, San Diego Coastkeeper has defined …