Pomona, CA Landscaping Rules: Water Restrictions (2026)
Water restrictions in Pomona, CA, also called the watering schedule, outdoor irrigation rules, or drought ordinance, set which days and hours you can run sprinklers or irrigation.
Key Facts
- MWELO
- Applies to new landscapes over 500 sq ft
- Drought-Tolerant
- Cannot be prohibited (Gov Code 65595)
- State Law
- AB 1881 Water Conservation Act
- Commercial Turf
- AB 1572 bans potable irrigation
Summary
Pomona is served by multiple water providers following MWELO requirements. New landscapes over 500 sq ft must meet Maximum Applied Water Allowance calculations. CA Gov Code Section 65595 prohibits banning drought-tolerant landscaping.
by the Model Water Efficient Landscape Ordinance (MWELO) . The MWELO is also referenced by Title 24, Part 11, Chapters 4 and 5 CalGreen Building Code. All local agencies must adopt, implement, and enforce the MWELO or a local Water Efficient Landscape Ordinance (WELO) that is at least as effective as the MWELO. Usually, local agencies that adopt WELOs create a more stringent ordinance than MWELO. The purpose of water efficient landscape ordinances is to not only increase water efficiency but to improve environmental conditions in the built environment.
Official source re-checked September 8, 2026: the cited page had not changed since it was quoted.
Full Breakdown
Pomona requires landscape plans to conform to the State Model Water Efficient Landscape Ordinance (MWELO). New development must install adequate irrigation systems for continuous maintenance. A minimum of 8 trees per acre are required, selected from an approved list. The city encourages drought-tolerant landscaping. Water restrictions follow the local water provider's schedule. Under South Coast AQMD regulations, dust control measures are also required during construction. Pomona is served by local water districts that implement watering day schedules.
Violations & Fines
Non-compliant landscape installations delay project approval. Water waste violations are enforced by the local water provider with potential fines.
Frequently Asked Questions
What are the lawn watering restrictions in Pomona?
Are there drought watering rules in Pomona?
Sources & Official References
Other rules in Pomona
How Pomona compares: Cities with the Strictest Water Restrictions·California rules heatmap·Compare Pomona to another location·View the California landscaping rules overview
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Water Restrictions in Nearby Cities
How other cities in Los Angeles County handle water restrictions.