Irvine pond builders, water feature care and leak repair
Irvine's master-planned communities have hundreds of HOA lakes, streams and entry fountains, and we service many of them alongside backyard ponds in Shady Canyon, Turtle Rock and Woodbridge.
Pond and water feature conditions in Irvine
Every pond, fountain and lake is a small ecosystem that answers to local conditions. These are the ones that shape how we build and service water features in Irvine.
Tap water and fill water
Irvine Ranch Water District delivers a blend of local groundwater and imported supply, and separately pipes recycled water for landscape irrigation. Recycled (purple-pipe) water is high in nutrients and must never be used to top off a pond or lake; several community lakes that take recycled makeup water fight algae for exactly that reason.
Heat, evaporation and wind
Mild coastal-inland transition: summer highs in the low-to-mid 80s, morning marine layer through June, hot stretches in September. Shady Canyon and Portola Springs run hotter and windier than Woodbridge or University Park.
Soil, grade and excavation
Deep clay across most of the master-planned villages, which holds water and heaves; expansive-soil lots need concrete shells reinforced accordingly or liner ponds with free-draining bases.
Predators and wildlife
Great blue herons, night herons and egrets nest around the San Joaquin Marsh and the Woodbridge lakes and raid backyard ponds within a mile; raccoons are dense in the greenbelts; coyotes along Bommer and Shady Canyon.
Leaf and debris load
Street trees are mostly evergreen (eucalyptus, pine, camphor, ficus), so debris is year-round rather than seasonal. HOA lakes collect turf clippings and fertilizer runoff.
Water features we build and service in Irvine
The highest concentration of HOA lakes, streams and entry fountains in the county (Woodbridge, Northwood, Turtle Rock, Westpark, Great Park neighborhoods), plus estate koi ponds in Shady Canyon and Turtle Rock and corporate campus water features around the Spectrum and UCI.
Neighborhoods and communities we work in: Woodbridge, Turtle Rock, Shady Canyon, Northwood, Westpark, University Park, Portola Springs, Great Park Neighborhoods, Quail Hill.
Residential pond, waterfall and fountain services
Design and construction
- Koi pond construction (koi pond installation, fish pond building, water gardens)
- Pond and water feature design
- Waterfall and stream construction and pondless waterfalls
- Garden and courtyard fountains
- Pond renovation and rebuilds
Scheduled care
- Monthly koi pond maintenance (pond service, pond upkeep)
- Pond cleaning and spring clean-outs
- Algae and string-algae control
- Koi transport, boarding and rehoming
Repair and water loss
- Pond repair: pumps, filters, liners, plumbing, electrical
- Leak detection for ponds, fountains and waterfalls losing water
- Resealing and relining (polyurea, EPDM, concrete)
- Waterfall repair
Commercial water feature services in Irvine
Property types
- HOAs & Community Associations
- Hotels, Resorts & Casinos
- Apartment & Multifamily Communities
- Golf Courses & Country Clubs
- Office Parks, Retail & Business Centers
- Municipal Parks & Public Spaces
- Cemeteries & Memorial Parks
- Restaurants & Hospitality
Lake and large-feature programs
- Lake and large pond management: aeration, water quality, floating fountains
- Algae and aquatic weed control with licensed applicators
- Shoreline stabilization and erosion repair
How Irvine service is scheduled
Irvine is inside our Orange County home route. Assessments, repairs and maintenance visits are scheduled within days, and emergency aeration can be on-site the same day for maintenance clients.
Local water features worth knowing
If you want to see what balanced water looks like at scale before planning your own feature, Irvine has good public examples nearby: Woodbridge North and South Lakes; San Joaquin Marsh & Wildlife Sanctuary; Irvine Spectrum fountains. The same principles — depth, circulation, filtration sized to the biological load, and shade — apply to a backyard koi pond.
Nearby cities
Pond and water feature service in Irvine
Koi ponds, waterfalls, fountains and lakes, built and cared for by crews based 30 minutes away in Orange.
Work in Irvine
Photos from Irvine projects go here as they are completed. Each one links to a project page.
Pond care guides for Irvine owners
Maintenance · 19 min
How Much Does Pond Maintenance Cost in 2026?
Pond maintenance costs $450 to $5,000 per year depending on pond size, type, and service frequency. Breakdown by...
Maintenance · 7 min
How to Clean Green Water in Your Pond
Struggling with green water in your pond? Learn proven tips to clear algae, improve filtration, and restore clean,...
Maintenance · 8 min
Signs Your Pond Needs Professional Cleaning Services
Learn the key signs your pond needs professional cleaning services, from murky water to algae growth. Keep koi...
Check out Koi Pros projects
Koi ponds and water features we've designed, built and maintain across Southern California, from the crews that serve Irvine.
Pond service questions from Irvine
Is Irvine tap water safe for koi?
Yes, once it's treated. Irvine Ranch Water District delivers a blend of local groundwater and imported supply, and separately pipes recycled water for landscape irrigation. Recycled (purple-pipe) water is high in nutrients and must never be used to top off a pond or lake; several community lakes that take recycled makeup water fight algae for exactly that reason. We dechlorinate every refill and top-off and test the tap on the first visit.
Why does my Irvine pond turn green every summer?
Heat, light and nutrients. Mild coastal-inland transition: summer highs in the low-to-mid 80s, morning marine layer through June, hot stretches in September. Shady Canyon and Portola Springs run hotter and windier than Woodbridge or University Park. Add the local leaf and debris load (Street trees are mostly evergreen (eucalyptus, pine, camphor, ficus), so debris is year-round rather than seasonal. HOA lakes collect turf clippings and fertilizer runoff) and an undersized filter can't keep up. UV clarification, shade and a maintenance schedule fix it.
What's eating the fish in my pond?
Great blue herons, night herons and egrets nest around the San Joaquin Marsh and the Woodbridge lakes and raid backyard ponds within a mile; raccoons are dense in the greenbelts; coyotes along Bommer and Shady Canyon. Depth of 3–4 ft, overhangs, fish caves and motion-activated deterrents are the fixes that actually work; netting is the last resort.
How much does koi pond maintenance cost here?
Monthly residential service is priced by pond volume, fish load and access, and quoted after a first visit. Most local homeowners land on a monthly plan with a spring clean-out; we'll tell you if your pond needs less.
Do you build new koi ponds locally?
Yes. Deep clay across most of the master-planned villages, which holds water and heaves; expansive-soil lots need concrete shells reinforced accordingly or liner ponds with free-draining bases. We plan the excavation and base around that, then design filtration, rockwork and planting for a fixed-scope quote.