If you want a quick comparison or alternatives (e.g., Sawyer & McCarty for water, Stumm & Morgan for aquatic chemistry, Manahan for environmental chemistry), say which level you need (undergrad/grad/professional) and I’ll list best substitutes and why.
You can try searching online for a downloadable PDF version of the book. However, I must remind you that downloading copyrighted materials without permission may not be legal. Here are some possible sources: environmental chemistry book by bk sharma pdf
Based on the review of the book "Environmental Chemistry" by B.K. Sharma, the following recommendations are made: If you want a quick comparison or alternatives (e