1) The document analyzes trace elements in groundwater samples from the Hingoli region of Maharashtra, India over a three year period.
2) Fifty-three groundwater samples were collected and analyzed for trace metals using an X-ray fluorescence spectrometer. Concentrations of iron, manganese, cadmium, selenium, cobalt, mercury, and zinc were within permissible limits.
3) Chromium, nickel, and arsenic showed high concentrations in almost all groundwater samples, exceeding World Health Organization and Bureau of Indian Standards guidelines for drinking water quality in some locations.
4) Overall, except for elevated levels of chromium, nickel, and arsenic in places, the groundwater quality in