Aging Infrastructure

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Across
  1. 4. Placed underground and forgotten
  2. 5. Hollowed out material used for very early water systems
  3. 7. Low water _________
  4. 8. Water service material with potential health hazards
  5. 9. Permeation of a liquid into something by filtration
  6. 12. Process of corroding metal material
  7. 15. Amount that something can produce/contain
  8. 16. State of not functioning
  9. 17. Modern pipe material used: High density _________ piping (2 words)
  10. 20. Area of land that separates water flow into different rivers
  11. 22. 1900’s sanitary sewer piping material (2 words)
  12. 23. An obstruction that makes flow difficult
  13. 25. Break or bust suddenly, as in water
  14. 26. Process to pass in or out through a hole
  15. 27. To droop, sink or settle
Down
  1. 1. Main line used to supply water
  2. 2. Over flow of water that submerges dry land
  3. 3. Federal Law passed in 1972 to restore and protect the environment (3 words)
  4. 6. Infrastructure grade for underground utilities (ASCE)
  5. 10. Narrow long ditch for utility replacements
  6. 11. Utility system to transport wastewater (2 words)
  7. 12. Material for piping typically hard brittle alloy of iron
  8. 13. Term for sewer within your house/property
  9. 14. Kept out of sight, forgotten
  10. 18. _____________ Protection Agency
  11. 19. Modern trenchless method of buried pipe replacement- (2 words)
  12. 21. Utility system to transport rain run-off (2 words)
  13. 24. Constructed wall or embankment to regulate water levels within a lake