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Tehama County, CA Water Use Rules: Turf Replacement Rebates (2026)

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

Key Facts

Applies to
Unincorporated Tehama County only
Commercial trigger size
2,500+ sq ft landscape area
Residential trigger size
2,500-5,000+ sq ft
County ETO rate
54.74 in/year
Recreational turf
May exceed water allowance

Summary

Tehama County has no mandate to remove existing lawns, but new and rehabilitated landscaping in the unincorporated county over set size thresholds must meet a turf water budget under the county's Water Efficient Landscape Ordinance.

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

Portions of landscaped areas in public and private projects such as parks, playgrounds, sports fields, golf courses, or school yards where turf provides a playing surface or serves other recreational purposes are considered recreational areas and may require water in addition to the maximum applied water allowance. A statement shall be included with the landscape design plan, designating recreational areas to be used for such purposes and specifying any needed amount of additional water above the maximum applied water allowance.(3)Estimated Applied Water Use.a.When required the estimated applied water use shall not exceed the maximum applied water allowance.b.When required a calculation of the estimated applied water use shall be submitted with the landscape documentation package. It may be calculated by summing the amount of water recommended in the irrigation schedule.(4)Estimated Total Water Use.a.When required a calculation of the estimated total water use shall be submitted with the landscape documentation package. The estimated total water use may be calculated by summing the amount of water recommended in the irrigation schedule and adding any amount of water expected from effective precipitation (not to exceed twenty-five percent of the local annual mean precipitation) or may be calculated from a formula such as the following:

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 23).

Full Breakdown

Chapter 17.85, the Water Efficient Landscape Ordinance, applies in the unincorporated area of Tehama County, not inside Red Bluff, Corning or the City of Tehama, to new commercial/industrial landscaping of 2,500+ square feet and new or developer-installed residential landscaping of 2,500+ (multi-family) or 5,000+ square feet (owner-installed) that needs a building permit, plan check or design review. Turf areas count toward the project's Maximum Applied Water Allowance, calculated using the county's 54.74 reference evapotranspiration rate. Turf used as a playing surface in parks, sports fields, golf courses or school yards is classed a 'recreational area' and may draw water beyond that allowance.

Violations & Fines

WELO compliance is checked at building-permit, plan-check or design-review stage for qualifying projects; the code sets no stand-alone turf-replacement fine: noncompliant landscape plans are simply not approved until brought into conformance.

Frequently Asked Questions

Does Tehama County require me to remove my lawn?
No. The county has no turf-removal mandate; water budgets under Chapter 17.85 apply only to new or rehabilitated landscaping above the size thresholds.
Does this rule apply in Red Bluff or Corning?
No. Chapter 17.85 governs only the unincorporated area of Tehama County; Red Bluff, Corning and the City of Tehama enforce their own municipal landscape codes.

Sources & Official References

Other rules in Tehama County

All Tehama County rules

California rules heatmap·Compare Tehama County to another location·View the California water use rules overview

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