Service technicians are reporting unusual fluctuations in the chemical composition of fill water throughout the Sunbelt states.

This emerging trend appears to be increasing not only in rural areas dependent on well water, but also in and around major urban centers.

According to veteran techs fluctuations likely reflect changes in municipal water management policies. Increasingly, cities have begun regulating their supplies by blending water from various wells and storage tanks, and changing the proportions of that blending as needed, sometimes daily. Read more..