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Livermore, CA Water Use Rules: Recycled Water Rules (2026)

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

Key Facts

Irrigation systems
Must be built recycled-water ready
Water features
Must run on recycled water absent exemption
Exemption standard
Recycled water unavailable long-term, in writing
Classification
Recycled-water landscapes are "special landscape areas"
ETAF cap
1.0 for special landscape areas

Summary

Livermore requires new irrigation systems to be built ready for recycled water and requires decorative water features to actually run on it. LMC § 13.25.160 allows exceptions only where recycled water is unavailable for the foreseeable future or the City grants a written exemption, and recycled-water landscapes get a looser 1.0 water budget factor.

A. The installation of irrigation systems shall allow for the current and future use of recycled water, unless the project is located in an area in which recycled water is unavailable and will not be available for the foreseeable future, or a written exemption has been granted by the City. B. Decorative water features shall use recycled water unless a written exemption has been granted by the City stating that recycled water meeting all public health codes and standards is not available and will not be available for the foreseeable future. C. Landscapes using recycled water are considered special landscape areas. The ET adjustment factor for new and existing (nonrehabilitated) special landscape areas shall not exceed 1.0.

Full Breakdown

160(A), irrigation systems must be installed to allow current and future use of recycled water, unless the project sits in an area where recycled water is unavailable and will stay unavailable for the foreseeable future, or the City has granted a written exemption. Subsection (B) goes further for decorative water features specifically: they must use recycled water unless the City has issued a written exemption stating that recycled water meeting all public health codes and standards is not available and will not become available for the foreseeable future.

060 applies to potable-irrigated landscapes. 050(A)(1)(f), identifying whether the project will run on potable, recycled, or well water and naming the local purveyor if not served by a private well. 170 regulates separately under the California Plumbing Code and bars from ever interconnecting with the domestic water system.

Violations & Fines

Installing an irrigation system that cannot accommodate recycled water, or running a decorative water feature on potable supply, without a written exemption showing recycled water is unavailable for the foreseeable future, is a Chapter 13.25 violation. LMC § 13.25.220 lets the City suspend any development permit already issued for the property until compliance is demonstrated to the Public Works Director's satisfaction.

Frequently Asked Questions

Do I have to actually connect to recycled water, or just design for it?
At minimum your irrigation system must be designed to allow current and future recycled water use under LMC § 13.25.160(A); you only avoid that requirement if recycled water is unavailable in your area for the foreseeable future or the City grants a written exemption.
My fountain currently runs on tap water. Is that legal in Livermore?
Only with a written City exemption. LMC § 13.25.160(B) requires decorative water features to use recycled water unless the City has granted a written exemption stating recycled water meeting public health standards is not available and won't be for the foreseeable future.
Does using recycled water make my water budget stricter or looser?
Looser. Recycled-water landscapes are classified as special landscape areas under LMC § 13.25.160(C), which caps their evapotranspiration adjustment factor at 1.0, well above the 0.55 residential or 0.45 nonresidential factor that applies to potable-irrigated landscapes under § 13.25.060.

Sources & Official References

Other rules in Livermore

All Livermore rules

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