As of March 2026, the official advice for St. Croix in the U.S. Virgin Islands is to exercise caution with tap water. Following a significant public health crisis in late 2023 caused by aging infrastructure and lead contamination, the "Do Not Consume" advisory was eventually lifted, but concerns regarding water quality persist. The Virgin Islands Water and Power Authority (WAPA) and the EPA have implemented extensive flushing and testing programs, yet many locals and tourists still prefer bottled or filtered water for drinking and cooking. If you are staying in a vacation rental, check if the property uses a cistern system (common in the islands) or WAPA city water. For cisterns, the water is generally safe for bathing but should be boiled or filtered for consumption. Always look for NSF/ANSI Standard 53 certified filters if you intend to use tap water for drinking.