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🌿 Landscaping Rules/Water Restrictions

Santa Rosa vs Sonoma

How do water restrictions rules compare between Santa Rosa, CA and Sonoma, CA?

Santa Rosa and Sonoma have similar restriction levels.

Santa Rosa, CA

Sonoma County

Heavy Restrictions

Santa Rosa enforces water conservation regulations including restrictions on outdoor watering days and times. The city is served by Sonoma Water and follows state drought regulations.

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Sonoma, CA

Sonoma County

Heavy Restrictions

The City of Sonoma is served by Valley of the Moon Water District (VOMWD) and supplemented by city wells, and has adopted a permanent Water Waste Prevention Ordinance (Sonoma Municipal Code Chapter 13.10) that prohibits runoff, hose-without-shutoff-nozzle, and other inefficient outdoor water uses year-round. During Stage 2 and Stage 3 drought declarations (most recently called by Sonoma County and Sonoma Water in 2021–2022), outdoor irrigation is limited to specific days and prohibited between 9 a.m. and 7 p.m. The California Model Water Efficient Landscape Ordinance (MWELO) applies to new and rehabilitated landscapes of 500 sq ft or more.

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Key Facts Comparison

FactSanta RosaSonoma
WateringRestricted days and hours-
RunoffProhibited onto streets/sidewalksAlways prohibited
New LandscapingMust comply with MWELO-
IncentivesLawn conversion rebates available-
Retail Water Provider-Valley of the Moon Water District
Wholesale Supply-Sonoma Water (Russian River)
Permanent Rules-SMC Chapter 13.10
Watering Hours (Stage 2)-Banned 9 a.m.–7 p.m.
MWELO Threshold-500 sq ft new/rehab

Highlighted rows indicate differences between cities.

Santa Rosa FAQ

When can I water my lawn in Santa Rosa?

Outdoor watering is restricted to certain days and times. Check the city's current water conservation rules as they vary by drought conditions.

Are there rebates for removing my lawn?

Yes. Santa Rosa offers rebates for converting grass lawns to drought-tolerant landscaping under its water conservation program.

Sonoma FAQ

Are there always watering restrictions in Sonoma?

Yes. Sonoma Municipal Code Chapter 13.10 sets year-round water waste rules — no runoff, no washing hardscape, hose nozzles required, and no watering within 48 hours of rainfall. Stricter day-of-week and time-of-day limits are added during Stage 2+ drought declarations.

What hours can I water my lawn in Sonoma during a drought?

During Stage 2 drought (last declared 2021–2022 and renewable by the Council and Sonoma Water), outdoor irrigation is prohibited between 9 a.m. and 7 p.m. Watering is generally limited to 2–3 specific days per week on an odd/even schedule announced by VOMWD and the city.

Can I fill my swimming pool in Sonoma?

Yes during normal conditions, but pool filling is often restricted or prohibited during Stage 3 or 4 droughts. Pool covers may be required, and refilling more than 12 inches per fill-up can be banned. Check with VOMWD before draining and refilling a pool.

What is MWELO and does it apply to my Sonoma landscape?

California's Model Water Efficient Landscape Ordinance (MWELO) applies to any new or rehabilitated landscape of 500 sq ft or more that is associated with a building or planning permit. It caps turf, requires water budgets, smart irrigation controllers, and drip systems. Sonoma's Planning and Building Department enforces it.

What is the fine for water waste in Sonoma?

Sonoma typically issues a written warning on the first offense, with administrative fines of $50–$500 per subsequent occurrence under Sonoma Municipal Code §13.10. Chronic violators can have their water service restricted or terminated.

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