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My neighbor's lawn sprinkler system is 18" deep & he has not blown it out in 20 years

Edgewater

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Wiki User

11y ago
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Wiki User

13y ago

36 inches or more

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Wiki User

10y ago

frost line depth in denver, CO

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Anonymous

Lvl 1
3y ago

36 inches

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Anonymous

Lvl 1
3y ago

36

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Q: What is the frost line in Denver CO?
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