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Carlsbad, CA Landscaping Rules: Water Restrictions (2026)

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

Water restrictions in Carlsbad, 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

Stage 2 watering hours
3 p.m. to 9 a.m. only
Stage 3 watering hours
10 p.m. to 6 a.m., designated days
Stage 3 day system
Even/odd address matches even/odd date
Stage 4 rule
All outdoor irrigation prohibited
Criminal penalty
Up to $1,000 fine, 30 days jail
Extra remedy
Water service can be shut off
Always exempt
Reclaimed/recycled water irrigation

Summary

Carlsbad Municipal Water District Code Chapter 3.04 sets four mandatory water-shortage stages that restrict lawn watering to fixed hours, later to designated odd/even address days, and finally ban outdoor irrigation altogether. Violations are a misdemeanor punishable by up to 30 days in jail, a $1,000 fine, or both, plus service shutoff.

Stage 2—Mandatory Compliance—Water Alert. Stage 2 applies during periods when the probability exists that the Carlsbad Municipal water District will not be able to meet all of the water demands of its customers. ... Lawn watering and landscape irrigation, including construction meter irrigation, is permitted only between the hours of three p.m. and nine a.m. the following morning, except when reclaimed water is used. ... Stage 3—Mandatory Compliance—Water Warning. Stage 3 applies during periods when the Carlsbad Municipal Water District will not be able to meet all of the water demands of its customers. ... Lawn watering and landscape irrigation, including construction meter irrigation, is permitted only on designated irrigation days and only between the hours of ten p.m. and six a.m. the following morning, except when reclaimed water is used. A "designated irrigation day" is determined by the last digit in the street address. Properties with addresses ending in an even number may use water on even-numbered days and addresses ending in an odd number may use water on odd-numbered days.

Source: Water ConservationView official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 5007221; v20 updated 2026-06-16).

Full Breakdown

020). 060 lays out four escalating stages. Stage 1, Water Watch, is voluntary. the next morning, except with a hand-held hose with a positive shut-off nozzle, a five-gallon bucket, or drip irrigation. (greens excepted). Restaurants may not serve water unless a customer asks, and ornamental fountains must shut off unless running on reclaimed water. and adds a designated-day system keyed to the last digit of the street address: even numbers water on even-numbered days, odd numbers on odd-numbered days; car washes must cut volume 20 percent and new construction meters stop issuing.

Stage 4, Water Emergency, prohibits all outdoor irrigation of vegetation, agricultural and commercial-nursery water use (except livestock), and pool filling outright, and cuts commercial, manufacturing and processing water use by 50 percent. Every stage exempts water supplied through the reclaimed-water system. 080); any stage beyond Stage 1 requires public notice published at least three consecutive times in a newspaper of general circulation and takes effect immediately, with the Board of Directors ratifying, rescinding or changing it at its next meeting.

Violations & Fines

Section 3.04.090 makes any violation of Chapter 3.04 a misdemeanor under Water Code Section 377: up to 30 days in county jail, a fine of up to $1,000, or both. Independent of criminal prosecution, the District may discontinue or restrict water service to any customer who willfully violates a restriction, and stage designations run concurrently with a separate cross-connection and coverage-test enforcement regime for irrigation systems under Chapter 3.08.

Frequently Asked Questions

When does Carlsbad restrict lawn watering to certain hours?
Once the Carlsbad Municipal Water District declares Stage 2, Water Alert, under CMWD Code §3.04.060, lawn and landscape irrigation is limited to 3:00 p.m. to 9:00 a.m. the next morning, except with a hand-held shut-off nozzle hose, a five-gallon bucket, or drip irrigation. Stage 1 is voluntary only.
What is a designated irrigation day in Carlsbad?
Under Stage 3, Water Warning, §3.04.060(C)(1) ties watering to your street address: addresses ending in an even number may irrigate on even-numbered calendar days, and odd-numbered addresses on odd-numbered days, only between 10:00 p.m. and 6:00 a.m.
Can Carlsbad ban outdoor watering completely?
Yes. Stage 4, Water Emergency, prohibits all outdoor irrigation of vegetation and most agricultural or nursery water use, and cuts commercial and manufacturing water use by half, per §3.04.060(D). It applies when a major supply or distribution facility fails.
What happens if I ignore Carlsbad's watering restrictions?
Section 3.04.090 makes any violation a misdemeanor: up to 30 days in county jail, a fine up to $1,000, or both, under Water Code §377. The District can also discontinue or limit water service to anyone who willfully keeps violating the rule.

Sources & Official References

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