Read moreUSA Swimming: Low Water Levels At Castaic Lake Not Likely to Affect Open Water Nationals16 May 2014SANTA CLARITA, California, May 16. A recent article from SCVNews.com reports that water levels at Castaic Lake, the site of June's USA Swimming open water nationals, are so low that public swimming is prohibited at the popular watering hole this summer. A statewide drought in California is causing r...