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Colusa County, CA Water Use Rules: Recycled Water Rules (2026)

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

Key Facts

Applies to
fountains, ponds, waterfalls
Preferred source
recycled water where available
System type
recirculating systems
Trigger size
landscape 2,500+ sq ft
Reviewing dept
Planning and Building Dept.

Summary

Unincorporated Colusa County's Zoning Code steers decorative water features toward recirculating and recycled water. Section 44-3.10.020(D) calls for fountains, ponds and waterfalls on qualifying landscape projects to run on recirculating systems, and directs that recycled water be used as the source for those features whenever it is available.

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

D. Water Features. Decorative water features (e.g., fountains, ponds, waterfalls) should have recirculating water systems. Where available, recycled water should be used as a source for decorative water features.

Full Breakdown

010: new construction or rehabilitated landscapes of 2,500 square feet or more needing a building permit, plan check or zoning permit, across the urban residential (R-1 to R-4), commercial (C-1, C-2, C-H, C-R, MU), industrial (M-1, M-2, RD) and recreational (G-R) zones. 020(D), titled Water Features, addresses decorative fountains, ponds and waterfalls: they should have recirculating systems, and where a recycled-water supply is available, it should be used to feed those features rather than potable water. 070(B). 080. Landscape plans for covered projects are submitted to the Department of Planning and Building and approved by the review authority for the permit, whether the Zoning Administrator or the Planning Commission.

Violations & Fines

Recycled-water use for water features is written as a guideline, not a standalone violation with its own fine; it is checked when the Department of Planning and Building reviews the landscape plan for a covered project, and a plan that ignores it can be sent back for revision before permit issuance. Once built, general Zoning Code enforcement at Section 44-1.130.030 applies to the underlying development: a misdemeanor carrying up to a $5,000 fine, up to six months in jail, or both, plus required abatement.

Frequently Asked Questions

Do decorative fountains in Colusa County have to use recycled water?
The Zoning Code directs it where recycled water is available: Section 44-3.10.020(D) says recycled water should be used as the source for decorative water features such as fountains, ponds and waterfalls on qualifying landscape projects.
What if no recycled water supply is available?
The section only calls for recycled water where available. Absent an available recycled-water source, the fallback requirement is that the feature run on a recirculating system rather than a continuous fresh-water flow.
Which landscape projects have to follow this guideline?
It applies under Section 44-3.10.010 to new construction or rehabilitated landscapes of 2,500 square feet or more needing a building permit, plan check or zoning permit, in the county's urban residential, commercial, industrial and recreational zones.

Sources & Official References

Other rules in Colusa County

All Colusa County rules

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