Building the best and fixing the rest · Mon–Fri 8–4 · Sat 9–5 · Orange, CA · Serving Southern California & Arizona [email protected]
Koi Pros

San Clemente pond builders, water feature care and leak repair

Talega and Forster Ranch HOAs, and coastal-bluff estates where wind drives evaporation and splash loss on waterfalls.

    Request an assessment

    Tell us about the feature and where it is. We reply within one business day.








    Or call (714) 613-0123. No marketing emails; we only follow up about your request.

    Koi pond under a pergola with waterfall, lantern and koi, wide view
    Pergola koi pond, wide view
    Courtyard koi pond with river-rock edge, lilies and stucco wall
    Courtyard koi pond with river-rock edge
    Acrylic viewing window on a koi pond with waterfall, daylight
    Viewing window, daylight

    Pond and water feature conditions in San Clemente

    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 San Clemente.

    Tap water and fill water

    San Clemente imports most of its supply (chloraminated, moderately hard) and treats some local groundwater; the city also distributes recycled water for landscape, which should never reach a pond.

    Heat, evaporation and wind

    Marine on the coast, warmer in Talega and Forster Ranch behind the ridge. Onshore wind on bluff lots evaporates and splashes waterfalls dry; Talega gets Santa Ana winds the coast doesn't.

    Soil, grade and excavation

    Marine terrace and bluff clays on the coast with active bluff erosion; cut-and-fill pads in Talega, Forster Ranch and Rancho San Clemente with settlement over time.

    Predators and wildlife

    Herons and egrets along San Juan Creek and the coastal lagoons; coyotes and raccoons through the open-space corridors; hawks over Talega.

    Great blue heron with a fish in its beak
    Herons are the number-one koi predator in Southern California

    Leaf and debris load

    Eucalyptus, pine and palm; Talega HOA slopes drop year-round.

    Lavender water lily blossom over lily pads
    Water lily in bloom

    Water features we build and service in San Clemente

    Bluff-top estates with ocean-view koi ponds and fountains, Talega and Forster Ranch HOAs with entry water features and streams, Spanish Village courtyards downtown with tiled fountains that need resealing.

    Neighborhoods and communities we work in: Talega, Forster Ranch, Rancho San Clemente, Southwest San Clemente, Spanish Village / Downtown, Marblehead.

    Residential pond, waterfall and fountain services

    Design and construction

    Scheduled care

    Repair and water loss

    Commercial water feature services in San Clemente

    Property types

    Lake and large-feature programs

    How San Clemente service is scheduled

    San Clemente 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, San Clemente has good public examples nearby: Talega community water features; San Clemente Pier and Linda Lane park; San Juan Creek. 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 San Clemente

    Koi ponds, waterfalls, fountains and lakes, built and cared for by crews based 30 minutes away in Orange.

    Work in San Clemente

    See more pond, waterfall and fountain projects

    Pond care guides for San Clemente owners

    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...

    Maintenance · 19 min

    Pond Water Quality Parameters: Testing and Management Guide

    Pond water quality parameters include pH, ammonia, nitrite, nitrate, KH, GH, dissolved oxygen, and temperature....

    Maintenance · 24 min

    Annual Pond Maintenance Calendar for California Ponds

    Annual pond maintenance calendar for California's year-round climate. Monthly tasks covering water chemistry,...

    All pond care guides

    Check out Koi Pros projects

    Koi ponds and water features we've designed, built and maintain across Southern California, from the crews that serve San Clemente.

    Pond service questions from San Clemente

    Is San Clemente tap water safe for koi?

    Yes, with chloramine removed first. Recycled landscape water should never be used to top off a pond.

    Why does my San Clemente pond turn green every summer?

    Coastal ponds stay cool, but Talega and Forster Ranch run warmer and get Santa Ana winds. Shade, filtration and UV keep algae under control in both.

    What's eating the fish in my pond?

    Herons and egrets hunting the creek and coastal lagoons, and coyotes and raccoons moving through the open space. Deep water and a ledge to hide under stop most losses.

    How much does koi pond maintenance cost here?

    Bluff lots lose water to wind and splash, so top-off checks are part of service; we quote after a first visit.

    Do you build new koi ponds locally?

    Yes, but fill pads in Talega and Forster Ranch settle over time and coastal bluffs erode, so we build with movement in mind.

    Pond or fountain in San Clemente?

    Schedule an on-site assessment. We'll test the water, check the equipment and tell you what it needs.

    Call Request assessment