Water resources are considered to be a vital part of the environment and impacted from pollution. This pollution affect the entire ecosystem. Aquatic ecosystems form the richest part of biological diversity. Kütahya is located in the Inner West Anatolian part of Aegean Region and has many rivers, lakes and underground spring waters. This review aims to put together the studies that have been done about the concentrations of heavy metals in Kütahya region water resources. Regarding high concentration of heavy metals in several areas, particularly around industrial and agricultural locations more study should be done. The relevant legal arrangments should be made in the regions close to the agricultural land and situations that do not comply with the laws on water should be removed to protect the environment and living organisms.