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Butte County, CA Landscaping Rules: Water Restrictions (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Water restrictions in Butte County, 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

Local WELO
None - state MWELO applies by default
State MWELO Citation
23 CCR Div. 2 Ch. 2.7 (sections 490-495)
New Landscape Trigger
500 sq ft (with permit)
Rehab Trigger
Over 2,500 sq ft (with permit)
GP Policy
W-P2.11 (native, drought-tolerant)
Watering Schedule Authority
Retail water supplier

Summary

Butte County has not adopted a stand-alone Water Efficient Landscape Ordinance, so California's Model Water Efficient Landscape Ordinance (MWELO, 23 CCR Div. 2 Ch. 2.7) applies by default; General Plan Policy W-P2.11 also requires landscaping projects to use drought-tolerant native plants. Day-to-day outdoor watering schedules are set by the retail water purveyor (Cal Water, Del Oro, Paradise Irrigation District, etc.), not by the County.

These county ordinances apply to unincorporated areas of Butte County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

W-P2.11 Landscaping projects shall use native plants that will continue to be viable in the area under long-term drought conditions. ... COS-P8.2 New landscaping shall promote the use of xeriscape and native tree and plant species, including those valued for traditional Native American cultural uses. COS-P8.4 Introduction or spread of invasive plant species during construction of development projects shall be avoided by minimizing surface disturbance; seeding and mulching disturbed areas with certified weed-free native mixes; and using native, noninvasive species in erosion control plantings.

Full Breakdown

Under California Government Code section 65595, every local agency was required to either adopt a local water-efficient landscape ordinance at least as effective as the state Model Water Efficient Landscape Ordinance (MWELO) or be governed by the MWELO by default. Butte County's unincorporated area does not have a stand-alone WELO chapter in the County Code, so MWELO (23 CCR sections 490-495) applies on its own terms: it covers new construction landscapes of 500 sq ft or more and rehabilitated landscapes over 2,500 sq ft when a permit, plan check, or design review is required, and it imposes Maximum Applied Water Allowance limits, turf-area caps, soil-management requirements, and high-efficiency irrigation design.

, Paradise Irrigation District, Thermalito Irrigation District, South Feather Water & Power, and various mutual water companies, each operating under its own approved rate schedule and drought contingency plan.

Violations & Fines

MWELO compliance is checked at landscape plan-check by the local agency; non-compliant landscape documentation packages result in permit denial under 23 CCR section 492.3. General Plan policies are implemented through CEQA review and Zoning Ordinance findings on development projects, not direct citation against individual homeowners. Water-waste enforcement (running water onto pavement, broken sprinklers, watering during a declared drought) is handled by the water purveyor under its tariff rules, not by County code enforcement.

Frequently Asked Questions

Does Butte County tell me what days I can water?
No. Day-of-week and hour-of-day watering restrictions are set by your retail water supplier (Cal Water, Del Oro, Paradise Irrigation District, Thermalito ID, South Feather Water & Power, or your mutual water company), not by Butte County. Check with your water bill provider for current drought-stage rules.
Do I have to comply with MWELO for my own backyard?
MWELO only kicks in when a project requires a permit, plan check, or design review AND the new landscape is 500 sq ft or larger (or the rehab is over 2,500 sq ft). A simple homeowner re-landscape that does not need a permit is exempt from the documentation package, though water-waste rules from your retail supplier still apply.
Is there a turf-grass cap in the unincorporated county?
Yes, indirectly. Through MWELO (23 CCR section 492.6), the project's Maximum Applied Water Allowance effectively caps high-water turf area; for residential landscapes, the practical turf cap is set by the plant factor calculation in the Water Efficient Landscape Worksheet.

Sources & Official References

Other rules in Butte County

All Butte County rules

How Butte County compares: Cities with the Strictest Water Restrictions·California rules heatmap·Compare Butte County to another location·View the California landscaping rules overview

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