water quality standards

Edit Answers
12345678910111213141516171819202122232425
Across
  1. 1. – Scale of acidity/alkalinity
  2. 3. – Essential liquid for life
  3. 7. – Process of killing pathogens
  4. 9. & Down Words
  5. 12. – Remaining chlorine after treatment
  6. 16. – Mineral causing hardness
  7. 17. – Toxic element in groundwater
  8. 18. – Solid matter that settles
  9. 20. – Metal causing reddish stains
  10. 22. – Common salt ion
  11. 24. – Highly toxic heavy metal
  12. 25. – Plumbing metal, limited in standards
Down
  1. 2. – Due to calcium & magnesium
  2. 4. – Pathogenic bacteria
  3. 5. – Total Dissolved Solids
  4. 6. – Fertilizer contaminant in water
  5. 8. – Cloudiness of water
  6. 10. – Naturally occurring salt
  7. 11. – Process to clean particles
  8. 13. – Mineral contributing to hardness
  9. 14. – Process of adding oxygen
  10. 15. – Prevents tooth decay in small amounts
  11. 16. – Indicator bacteria
  12. 19. – Tiny organisms that cause diseases
  13. 21. – Trace element in water
  14. 23. – Toxic metal from old pipes