DULUTH, MN (KDAL) - The Minnesota Department of Health has issued a "Water Contact Not Recommended" advisory for the Sky Harbor Parking Lot Beach at the end of Minnesota Avenue on the harbor side of Park Point. Two other harbor side beaches are also on the advisory list, the 15th Street Beach and the 20th Street-Hearding Island Canal Beach. Also in place is a water advisory for the Agate Bay Beach in Two Harbors. Water samples at those beaches show elevated levels of E. coli bacteria. The water is re-sampled and tested each day, check MNBeaches.org for updates.