Peripheral Canal Route?

Possible route of the new peripheral canal proposal. This purely speculative diagram is based upon a series of existing borrow pits along the edge of the northeast Delta. These pits were dug to provide fill material for constructing Interstate 5.

Diagram also shows “siphon and in-Delta freshening facility locations. These facilities would divert water from the peripheral canal into into intersecting rivers and sloughs in order to improve water quality and the health of the ecosystem. The facilities would also integrate recreational space onto the infrastructure, as occurs in other speculative work of the Delta National Park project.

Posted by John Bass on 08/14 at 01:26 PM • #


Possible peripheral canal route?

Possible peripheral canal route?

Purely a speculative diagram, this route would take economic advantage of a number of “borrow pits,” so-called because they were created to provide fill for the construction of I-5. The pits are similar in dimension to the proposed “isolated conveyance facility.” Most are now riparian habitats, and some are protected wildlife preserves. The diagram also shows how the siphon infrastructure at intersecting rivers and sloughs could be designed to “freshen” the Delta’s waterways, improving Delta water quality and ecosystem health.

Siphon spring diagram

Siphon spring diagram

Conceptual diagram of a peripheral canal siphon spring facility. Siphon springs would occur at the intersections of the proposed canal and existing Delta waterways. Siphon springs would be in part infrastructure, and part an occasion to create a new Delta recreational space.

The diagram shows a siphon passing under an existing Delta waterway, and two head-driven artificial artesian “springs” that would inject Sacramento River water into intersecting waterways.


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