Water in North County goes by district line, not city line, so neighbors a few streets apart can have different water companies. Pick your neighborhood:
The surest answer is the name at the top of your water bill.
Who serves where
- Solana Beach, plus parts of Rancho Santa Fe and Fairbanks Ranch: Santa Fe Irrigation District.
- Cardiff, Leucadia, Old Encinitas and part of New Encinitas: San Dieguito Water District, run by the City of Encinitas.
- Olivenhain and other parts of north county: Olivenhain Municipal Water District.
- Del Mar: the City of Del Mar runs its own water and sewer, billed every two months.
- Carlsbad: mostly Carlsbad Municipal Water District; some neighborhoods are served by another district.
Every number
- Santa Fe Irrigation District: service 858-756-2424 · after hours 858-756-2854
- San Dieguito Water District (City of Encinitas): service 760-633-2658 · after hours 760-633-2922
- Olivenhain Municipal Water District: service 760-753-6466 · after hours 760-753-6466 (emergencies 24/7)
- City of Del Mar: service 858-755-9354 (billing) · after hours 858-756-1126
- Carlsbad Municipal Water District: service 442-339-2420 · after hours 760-931-2197 (nights and weekends; weekdays 442-339-2722)
A main break, no water, or water where it shouldn't be: call the after-hours line any time.
More who-do-I-call
- Trash and recycling: which bin, and who picks up
- SDG&E power and bill discounts
- Just need a human
- Setting up or moving service, or reading the bill: Text PJ.
Sources: Santa Fe Irrigation District · City of Encinitas, San Dieguito Water District · Olivenhain Municipal Water District · City of Del Mar · City of Carlsbad. Checked October 5, 2026.
Need a human?
This page is built every morning from public data by SideGuy, run by PJ, a local in Solana Beach. If something looks off, or you want a hand with your plans, text PJ at 858-461-8054. A real person answers.
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Questions people ask
Who is the water company in Solana Beach?
Santa Fe Irrigation District, 858-756-2424 (after hours 858-756-2854). It also serves parts of Rancho Santa Fe and Fairbanks Ranch.
Who provides water in Encinitas?
It depends on the neighborhood: San Dieguito Water District (run by the City of Encinitas) serves Cardiff, Leucadia, Old Encinitas and part of New Encinitas; Olivenhain Municipal Water District serves Olivenhain and other areas. Your bill names it.
Who do I call about water in Del Mar?
The City of Del Mar runs its own water and sewer: billing 858-755-9354, after-hours emergency 858-756-1126.
Who is the water company in Carlsbad?
Mostly Carlsbad Municipal Water District: 442-339-2420, emergencies 442-339-2722 weekdays and 760-931-2197 nights and weekends. Some neighborhoods are served by another district.
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