Sharp Water Culligan is the Delmarva Peninsula’s premier water treatment company. Locally owned and operated, we’re dedicated to providing the best and most cost-effective water treatment solutions whether you’re on municipal water or a private well. As the local water expert, we tame iron water, sulfur water, hard water and do it with the world’s most efficient water conditioners and filters. Even better, you can RENT, BUY OR FINANCE the water solution that’s right for you and your budget.