There is an active boil water notice in effect affecting all Paradise Irrigation District customers: Here's what residents should know.

 


Process water projects

Project Description

Requirements for PID’s National Pollution Discharge Elimination System (NPDES) permit are expected to change; this project will help the district best meet those new requirements.

An NPDES permit is required to return water generated by PID’s backwash and flushing processes into Magalia Reservoir. When the permit was last renewed, the new discharge limits placed on levels of aluminum and dichlorobromomethane meant that the district’s current treatment processes could no longer meet the requirements.

Aluminum comes from a product we use as a coagulant to encourage dirt particles to stick together for better clarification. Dichlorobromomethane is a byproduct of our chlorination prior to filtration. The chlorine reacts with organic material and results in the formation of dichlorobromethane.

 

Spending Plan

Project Phase Previous Fiscal Year Expenses  Fiscal Year 15/16  Fiscal Year 16/17  Fiscal Year 17/18  Fiscal Year 18/19  Fiscal Year 19/20 Total
Planning $749,155  -   -  $99,556 $100,000 $100,000 $1,048,711
Design - $896,942 $418,430 - -  -  $1,315,372
Construction  -   -   -   -  uncertain uncertain uncertain
 Total $749,155 $896,942 $418,430 $99,556 uncertain uncertain uncertain

Project Manager

Funding Source

Project Status

planning icon Planning

PID's board considered these alternatives

Option 1—Recycle the process water with a new treatment system and no longer discharge water—thus eliminating the need for a required NPDES.
Option 2—Work with the state Regional Board to establish appropriate discharge limits that ensure discharged water is not harmful to the environment or to humans and renew the NPDES permit under that new understanding. Additionally, the new NPDES permit will guide the district in planning construction of necessary treatment or recycling facilities.

PID’s board voted to pursue Option 2 and has hired a consultant with successful experience in NPDES review and renewal to assist in this process.

 

Benefits to PID and its Customers

Option 2 can conceivably save the district and its customers hundreds of thousands of dollars in construction and operating costs.

Anticipated Project Timeline

 
Concept Approval

Planning

Design

Construction
completed icon
Completion
Pending Present Deferred Uncertain -
 

 

Project details updated February 2018

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