an air gap is the most reliable method for preventing blackflow.
an air gap is the most reliable method for preventing blackflow.
what is the most reliable method for preventing blackflow?
an air gap
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pole garden, california









































pole garden is an unincorporated community in lake county, california. it is located near the colusa county line north of clearlake oaks, at an elevation of 3435 feet (1047 m).









































pole garden has been noted for its unusual place name.









































section::::climate.









































this region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °f. according to the köppen climate classification system, pole garden has a warm-summer mediterranean climate, abbreviated "csb" on climate maps.
pole garden, california