Ventura County ISDS Construction Examples Slideshow
This slideshow showcases different construction stages of Individual Sewage Disposal Systems (ISDS) in Ventura County, providing an overview of the types of systems allowed and general construction techniques employed. From the installation of pressurized distribution beds to completed mounds with landscaping, the images offer insights into the process without detailed instructions. Additionally, it includes visuals of pump tests, drain rock requirements, audio-visual alarm boxes, basal subsurface filter beds, and more.
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Individual Sewage Disposal System (ISDS) Construction Examples Slideshow for Alternative ISDS NOTE: The construction photos in this slideshow are not intended to provide detailed instructions on how to construct an ISDS but only to depict the types of systems allowed in Ventura County and to show some general construction techniques.
Mound Pressurized distribution bed being installed Mound Pressurized distribution bed being installed
Pump test being conducted. The manifold system pipes are temporarily turned upwards to check pressure in the system.
Completed mound with newly planted Juniper Shrub Pfitzer around the perimeter and Rye grass covering the mound.
3/4" to 2 1/2" clean drain rock Click here for ISDS Drain Rock Requirements 3/4" to 2 1/2" clean drain rock Click here for ISDS Drain Rock Requirements
Hardwired audio-visual alarm box on far left Hardwired audio-visual alarm box on far left
Basal Subsurface Filter Bed Basal Subsurface Filter Bed In the basal system, the base of the excavation will be utilized for final disposal of the sewage effluent after it has been treated by the filter sand. Click here for Basal Suburface Filter Bed Information In the basal system, the base of the excavation will be utilized for final disposal of the sewage effluent after it has been treated by the filter sand. Click here for Basal Suburface Filter Bed Information
Checking bottom level Checking bottom level
Sand, distribution bed, monitoring ports, distribution box, and piping installed. Ready for untreated building paper (or other approved barrier) over the bed and then backfill. Sand, distribution bed, monitoring ports, distribution box, and piping installed. Ready for untreated building paper (or other approved barrier) over the bed and then backfill.
3/4" to 2 1/2" clean drain rock Click here for ISDS Drain Rock Requirements 3/4" to 2 1/2" clean drain rock Click here for ISDS Drain Rock Requirements
Subsurface Filter Bed with Disposal Pit Subsurface Filter Bed with Disposal Pit In this system the seepage pits are used for final disposal of the sewage effluent after it has been treated by the filter sand. Seepage pit drilled into bedrock. In this system the seepage pits are used for final disposal of the sewage effluent after it has been treated by the filter sand. Seepage pit drilled into bedrock. Click below for: . Disposal Field Setbacks from Slopes and Fill Material Disposal Field Setbacks from Slopes and Fill Material Subsurface Filter Bed with Disposal Pit Subsurface Filter Bed with Disposal Pit .
Pipe placed to bottom of pit.
Rock installed into pit.
3/4" to 2 1/2" clean drain rock Click here for ISDS Drain Rock Requirements 3/4" to 2 1/2" clean drain rock Click here for ISDS Drain Rock Requirements
Collection bed being installed. Drain rock will be installed over the piping. The collection bed is connected to three seepage pits in the bottom of the bed in this example. The pits can also be located outside of the bed. The filter sand and then the distribution bed are placed over the collection system.
