You can use this work for any purpose, including commercial uses, without restriction under copyright law. You should also provide attribution to the original work, source and licence.
Creative Commons Attribution (CC BY 4.0) terms and conditions https://creativecommons.org/licenses/by/4.0
'An American farm boy drinking unsafe water from an old water pump. Colour lithograph after Robbins, 1943.' by United States. Public Health Service. and Robbins. Credit: Wellcome Collection. CC BY