Basic Sonoma and Marin Counties Watering Information

What Time of Day Should I Water?

In Sonoma and Marin Counties, we recommend watering between 2 a.m. and 6 a.m. Watering within this window of time takes advantage of relatively low winds and less loss of water to evaporation.

How Long Should I Water?

Generally, in Sonoma and Marin Counties, because of our clay soils, running an irrigation system on a lawn for more than five minutes will result in runoff. Precise watering times vary depending on the type of watering device, soil, slope and plants.

How Often Should I Water?

In Sonoma and Marin Counties, water in the early morning hours between 2 a.m. and 6 a.m. as follows:

SUMMER
NO MORE THAN
EVERY OTHER DAY
FALL
NO MORE THAN
3 TIMES PER WEEK
SPRING
NO MORE THAN
3 TIMES PER WEEK
WINTER
NO MORE THAN
1 TIME PER WEEK

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