2013 : 95 % of water samples from U.S. beaches fail standards for swimmer safety . Thirty - two beaches rated as ` ` offenders '' for water violations . Two beaches labeled as ` ` ' offenders '' for continuous violations .
Report : 10 % of water samples from U.S. beaches fail standards for swimmer safety . Thirty-five beaches rated as `` superstars '' for water quality . Seventeen beaches labeled as `` repeat offenders '' for continuous violations .