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Maryland State Government Maryland Department of the Environment
Swimming Pools

Water Saving Tips for Swimming Pools

  • Limit the frequency of pool refilling
  • Cover the pool
    • The average uncovered pool loses one inch of water per week
    • Covering the pool can save 95% of water lost to evaporation
    • Conserves heat (which can save money for heating costs)
    • Prevents accidents
    • Reduces cleaning
  • Lower the pool’s water to reduce losses from splashing
    • It’s recommended to keep the water level one inch above the bottom of the tile
  • Lower the pool temperature
    • Reducing the temperature reduces water loss to evaporation, and is particularly important when the pool is not being used
  • Backwash only when necessary
  • Check regularly for cracks and leaks
  • Keep the pool and filters clean to reduce frequency of filter backwashing
  • Run filter backwash onto lawns and shrubs or collect for reuse
  • Ensure that water is absorbed before it leaves your property and avoid allowing runoff to enter adjacent properties
  • If acid has been used to clean the pool, the water should be neutralized
  

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