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Water · Infrastructure

Constructed-Wetland Wastewater Treatment

Azerbaijan · IsraelCompleted

Real, planted high-performance septic: treating wastewater cleaner than local septic codes require in a fraction of a standard system’s footprint, and doubling as parkland.

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A real SeaTop constructed-wetland treatment pond, planted with water lilies and reeds
Above code
Wastewater treatment level
25–50%
Of a standard footprint
Since 2012
Azerbaijan system in service

The challenge

Communities that need on-site wastewater treatment without surrendering a large drainfield: the constraint that forces low density on lots with no municipal sewer.

Our approach

SeaTop built engineered, planted constructed-wetland systems: a compact, lab-verified process that treats wastewater on-site and reads as landscape, not infrastructure. The Azerbaijan system has been in service since 2012; in Petach Tikva, Israel, a planted pond treats nitrate-polluted groundwater.

The outcome

Wastewater treated to a standard cleaner than local septic codes require, in a fraction of the usual footprint, freeing land for housing and turning the treatment system itself into a planted, usable park.

The planted edge of a SeaTop constructed-wetland treatment pond
A finished SeaTop treatment pond: the water is being purified as it flows through the plants.
Close view of a constructed-wetland treatment cell being built
A treatment cell being built and lined.
A completed SeaTop wetland treatment park seen from above
In service: the system reads as a park, not a treatment plant.
Systems used

The SeaTop systems behind it

High-Performance SepticLot Density Optimization
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