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

Anaheim pond builders, water feature care and leak repair

From Anaheim Hills estates to resort-district hotels near the convention center, we service residential ponds and commercial fountains that run year-round in full sun.

    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.

    Showa and kohaku koi through an acrylic viewing window
    Showa and kohaku through the viewing window
    Multi-tier estate stream and waterfall lit at night
    Estate stream, lit for evening
    Raised formal koi pond with stacked-stone spillway wall and stamped concrete
    Raised formal koi pond with spillway wall

    Pond and water feature conditions in Anaheim

    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 Anaheim.

    Tap water and fill water

    Anaheim Public Utilities draws most of its supply from Orange County basin wells, with imported water making up the rest. Hardness runs around 200 ppm, so pumps, UV sleeves and fountain nozzles scale faster than on the coast.

    Heat, evaporation and wind

    Hot, dry summers in the mid-90s, especially up in Anaheim Hills where canyon exposure adds wind. Evaporation on an open pond can hit an inch every 2–3 days in August.

    Soil, grade and excavation

    Flat alluvium through central and west Anaheim; shallow clay and sandstone in Anaheim Hills with steep lots that need engineered bases and drainage behind retaining walls.

    Predators and wildlife

    Herons and egrets from Yorba Regional Park and the Santa Ana River channel; raccoons and coyotes throughout Anaheim Hills; hawks over the canyons.

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

    Leaf and debris load

    Eucalyptus and pine in Anaheim Hills, ficus and queen palm on the flats. Eucalyptus leaves and bark tan the water and clog skimmers through fall.

    Raised pond with paver-block wall, waterfall and crane statues
    Raised paver-wall pond with waterfall

    Water features we build and service in Anaheim

    Hillside estate ponds in Anaheim Hills and Peralta Hills, resort-district hotels around the convention center with lobby and porte-cochère fountains running 24/7, and dense HOA and apartment stock west of the 5 with courtyard features.

    Neighborhoods and communities we work in: Anaheim Hills, Peralta Hills, Anaheim Resort, Platinum Triangle, West Anaheim, The Colony.

    Residential pond, waterfall and fountain services

    Design and construction

    Scheduled care

    Repair and water loss

    Commercial water feature services in Anaheim

    Property types

    Lake and large-feature programs

    How Anaheim service is scheduled

    Anaheim 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, Anaheim has good public examples nearby: Yorba Regional Park lakes; Anaheim Resort District hotel fountains; Oak Canyon Nature Center 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 Anaheim

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

    Work in Anaheim

    Photos from Anaheim projects go here as they are completed. Each one links to a project page.

    See more pond, waterfall and fountain projects

    Pond care guides for Anaheim owners

    Design · 9 min

    Backyard Pond Ideas & Pond Landscaping Guide

    Explore backyard pond ideas, costs, design tips, and maintenance. Learn how a pond contractor can help create your...

    Maintenance · 10 min

    Algae Removal and Control: Keeping Your Pond Clear All Year Long

    Practical algae removal and prevention for Southern California ponds: causes, eco-friendly control methods, UV...

    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,...

    All pond care guides

    Koi Pros pond design and construction projects

    Check out Koi Pros projects

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

    Pond service questions from Anaheim

    Is Anaheim tap water safe for koi?

    Yes, once it's treated. Anaheim Public Utilities draws most of its supply from Orange County basin wells, with imported water making up the rest. Hardness runs around 200 ppm, so pumps, UV sleeves and fountain nozzles scale faster than on the coast. We dechlorinate every refill and top-off and test the tap on the first visit.

    Why does my Anaheim pond turn green every summer?

    Heat, light and nutrients. Hot, dry summers in the mid-90s, especially up in Anaheim Hills where canyon exposure adds wind. Evaporation on an open pond can hit an inch every 2–3 days in August. Add the local leaf and debris load (Eucalyptus and pine in Anaheim Hills, ficus and queen palm on the flats. Eucalyptus leaves and bark tan the water and clog skimmers through fall) 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?

    Herons and egrets from Yorba Regional Park and the Santa Ana River channel; raccoons and coyotes throughout Anaheim Hills; hawks over the canyons. 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. Flat alluvium through central and west Anaheim; shallow clay and sandstone in Anaheim Hills with steep lots that need engineered bases and drainage behind retaining walls. We plan the excavation and base around that, then design filtration, rockwork and planting for a fixed-scope quote.

    Pond or fountain in Anaheim?

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

    Call Request assessment