Urban Runoff

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Water Quality 2016: Los Peñasquitos Watershed

Water Quality Index Score: 76, Fair The Los Peñasquitos watershed originates in the foothills near Iron Mountain, and includes the communities of Poway, Mira Mesa, Sorrento Valley, and parts of Carmel Valley, Scripps Ranch, and Del Mar.  Precipitation and runoff is funneled through Los Peñasquitos Lagoon before reaching the Pacific Ocean. Our water quality results …

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Water Quality 2016: Carlsbad Watershed

Buena Vista Watershed Overall Water Quality Index Score: 78, Fair Buena Vista is a small watershed that funnels precipitation from most of the city of Vista and parts of Oceanside and Carlsbad into Buena Vista Lagoon and eventually the Pacific Ocean. Like many of the watersheds we monitor, indicator bacteria were a main concern in …

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Water Quality 2016: San Luis Rey

  Water Quality Index Score: 82, Good The San Luis Rey watershed, the northernmost watershed on our list, is dominated by the San Luis Rey River whose headwaters begin near Warner Springs and Ranchita. The watershed also includes parts of Valley Center, Bonsall, Fallbrook, and Oceanside. In 2016, San Luis Rey held the distinction of …

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Polluted Runoff: The Stories You Need To Know

Polluted runoff is the single biggest threat to water quality in San Diego. What is polluted runoff? Pollutants like oil, grease, pesticides and litter build up on our streets and sidewalks each day. When it rains, and when sprinklers spill onto the sidewalk, water carries all of these pollutants through our storm drains directly into our rivers, …

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Why We Spend Our Saturdays Collecting Water Samples

We have laws in place to limit industrial pollution and ensure that our water can support all of its uses, from swimming and fishing to hosting endangered wildlife. But without enforcement, these regulations cannot keep our water healthy. That’s where San Diego Coastkeeper comes in. Urban runoff is the single biggest threat to water quality …

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Water Quality: What’s Drought Got to Do With It?

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 report card assigns A-to-F letter grades to 456 California beaches for three reporting periods in 2015-2016, based on levels of …

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Water Quality 2014 – More Impacts from the Drought

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 from this year’s data. One of the most striking trends we see is that our third consecutive year of drought …

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