What we know about Del Rey
At about 344 feet, Del Rey shares the Fresno area’s semi-arid San Joaquin Valley climate, with long, hot, dry summers, mild winters and average rainfall of around 11 inches a year.
Del Rey had 1,358 residents at the 2020 census and sits at about 344 feet above sea level. A census-designated place (not a city).
The 2020 census counted 381 housing units in Del Rey, and about 49.6% of occupied homes are owner-occupied. That works out to about 285 housing units per square mile.
Backflow Preventer Repair in Del Rey, CA
A backflow preventer sits on the supply line to the sprinkler system and keeps irrigation water from flowing back toward the drinking-water supply. It is exposed to the weather, so seals wear, caps leak and bodies crack. Water spitting from the top or a constant drip means the valve needs attention.
We repair backflow preventer valves in two ways: rebuilding the internals when the body is sound, or replacing the valve completely when it is not. On request, we also install check valves at the lowest points on your property, which stops water from draining out of the low heads after a zone shuts off.
A leaking backflow device in Del Rey wastes water at the supply line, before it ever reaches a head. It is worth fixing early.
Del Rey: water source and watering days
Del Rey Community Services District provides community water service in Del Rey.
We did not find assigned watering days published for Del Rey. Ask Del Rey Community Services District for the current rules.
See the full Del Rey watering schedule.
Nearby communities
Nearby communities we serve: Sanger (4.0 mi), Parlier (4.9 mi), Fowler (5.3 mi). Distances are straight-line from the center of Del Rey.
Helpful guides
Written by ACRE Landscape Co., Fresno & Clovis. Updated October 26, 2026.