Santa Monica pond builders, water feature care and leak repair
Compact urban lots and coastal exposure; we build smaller formal ponds and water walls and service ocean-front hotel fountains.



Pond and water feature conditions in Santa Monica
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 Santa Monica.
Tap water and fill water
Santa Monica produces most of its own water from local wells treated at its Arcadia plant, supplemented by imports; the groundwater is on the hard side and the system is chloraminated.
Heat, evaporation and wind
Fully marine: low 70s in summer, fog through June, frost-free. Low evaporation, but constant onshore breeze on bluff and beach lots.
Soil, grade and excavation
Sandy loam on the flats, bluff clay along Palisades; compact urban lots with limited access.
Predators and wildlife
Herons and egrets from Ballona and the Santa Monica Mountains canyons; raccoons throughout North of Montana.

Leaf and debris load
Ficus, pine and palm; salt-laden dust after wind events.

Water features we build and service in Santa Monica
Compact formal ponds and water walls on North of Montana and Sunset Park lots, courtyard fountains in Spanish-style homes, and ocean-front hotel fountains and reflecting pools along Ocean Avenue.
Neighborhoods and communities we work in: North of Montana, Sunset Park, Ocean Park, Mid-City, Wilshire-Montana.
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 Santa Monica
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 Santa Monica service is scheduled
Santa Monica is on our Los Angeles route: weekly routed maintenance, repair visits scheduled around the route, and construction crews dispatched from Orange County for the duration of a build.
Local water features worth knowing
If you want to see what balanced water looks like at scale before planning your own feature, Santa Monica has good public examples nearby: Tongva Park water features; Palisades Park; Santa Monica Pier. 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 Santa Monica
Koi ponds, waterfalls, fountains and lakes, built and cared for by crews based 30 minutes away in Orange.
Work in Santa Monica
Photos from Santa Monica projects go here as they are completed. Each one links to a project page.






Pond care guides for Santa Monica owners
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,...
Maintenance · 18 min
How to Remove Pond Sludge and Muck: Methods by Pond Size
Pond sludge accumulates from fish waste, leaf litter, and decaying algae. Covers vacuuming, beneficial bacteria,...
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...
Check out Koi Pros projects
Koi ponds and water features we've designed, built and maintain across Southern California, from the crews that serve Santa Monica.
Pond service questions from Santa Monica
Is Santa Monica tap water safe for koi?
Yes, once it's treated. Santa Monica produces most of its own water from local wells treated at its Arcadia plant, supplemented by imports; the groundwater is on the hard side and the system is chloraminated. We dechlorinate every refill and top-off and test the tap on the first visit.
Why does my Santa Monica pond turn green every summer?
Heat, light and nutrients. Fully marine: low 70s in summer, fog through June, frost-free. Low evaporation, but constant onshore breeze on bluff and beach lots. Add the local leaf and debris load (Ficus, pine and palm; salt-laden dust after wind events) 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 Ballona and the Santa Monica Mountains canyons; raccoons throughout North of Montana. 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. Sandy loam on the flats, bluff clay along Palisades; compact urban lots with limited access. We plan the excavation and base around that, then design filtration, rockwork and planting for a fixed-scope quote.



