1705 Romick Pkwy
Findlay, OH 45840
Flag City Water Systems has been providing all forms of water treatment equipment to businesses and residents of northwest Ohio and southeast Michigan since 1979. Over the past 35 years, we have grown into one of the largest and most respected water treatment companies in northwest Ohio. We currently service more than 30,000 customers. At Flag City Water Systems, we pride ourselves on providing each customer with outstanding customer service. Each customer is valued, and our staff – with over 100 years of combined service experience in the water treatment industry – serves every customer with experience and professionalism.