Across
- 2. Held within sediments in the gaps between particles
- 4. Found above an impermeable layer of rock or sediment
- 5. Rivers, lakes, transitional waters, and coastal waters
- 8. Became protected in the United States in 1974
- 9. Used in boilers, chillers and manufacturing
- 10. Many states require operator certification to manage it
- 14. The USACE has jurisdiction
- 15. Found in cracks and spaces in soil, sand and rock
- 19. Carbonated to add effervescence
- 23. Cools large condensers at power plants
- 24. Chemically treated to prevent scale, corrosion, and fouling
- 25. Contains any physical, chemical, biological or radiological substance or matter
- 27. Contains a proppant, usually sand
- 28. Not of the sea
- 29. Subjected to electrolysis
- 30. Runoff from our cities, highways and industrial sites
- 32. Storing this at a marina is a Best Management Practice (BMP)
- 34. Texas provides tax credits on the purchase of equipment for collecting it
- 35. Part of a river not reached by current (eels live here)
Down
- 1. Byproduct of bringing oil and gas to the surface
- 3. The FDA (not the EPA) regulates its purity
- 6. Protected by APPS or the MARPOL Act
- 7. Contains very few if any contaminants
- 11. Cleaner today due to $338 million in GLLA sediment remediation
- 12. Managed under EPA’s NPDES program
- 13. Leaves your fauce, ideally lead-free
- 16. 1% of the world population depends on this for daily needs
- 17. Contains a larger than normal amount of deuterium
- 18. Delivered by pipes to at 25 people or more
- 20. Its diminishing quantity causes concern for the Colorado River Compact
- 21. Flows from an aquifer directly to the Earth’s surface
- 22. Constrained by the USACE, disclaimed by insurance companies
- 26. Has a potential hydrogen of less than 7
- 31. Any part of the ocean or river having the ebb and flow of current
- 32. Contains feces or urine flushed from toilets
- 33. While containing sullage, Arizona offers tax incentives for its reuse