Stone incidence as related to water hardness in different geographical regions of the United States

Urol Res. 1979 Sep;7(3):157-60. doi: 10.1007/BF00257200.


A survey of 1974 discharge data from United States hospitals shows an apparent increase in urolithiasis. A negative correlation has been found between the geographical distribution of the relative frequency of hospital discharges, a diagnosis of urolithiasis, and reported water hardness.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Humans
  • United States
  • Urinary Calculi / epidemiology*
  • Water Supply*