Water efficiency

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Across
  1. 1. use of native plants to reduce irrigation needs
  2. 4. Parameter measuring solid content in untreated water
  3. 6. Practice of collecting rain from rooftops for reuse
  4. 7. Surface type that lets water percolate through the ground
Down
  1. 2. Passive cooling and water control space common in hot, dry climates
  2. 3. Water metering device that offers real-time data
  3. 5. Vegetated landform used to slow and filter stormwater