Regulatory Permits

Water Recycling Facility


The water recycling and disposal process is highly regulated by the State of California. Please view the Water Discharge Requirements (WDR) Permit (PDF) which allows ISD to conduct operations.

NPDES (Discharge) Permit


This 2008 document issued by the Central Valley Regional Water Quality Control Board, pertains to the waste discharge requirements if ISD's Water Recycling Facility. Please review the NPDES (Discharge) Permit (PDF).

NPDES Renewal Process


A public hearing concerning ISD's NPDES permit will be held during the Central Valley Water Board meeting scheduled for Thursday and Friday, Dec. 5-6, 2013, 8:30 a.m., at the Central Valley Regional Water Quality Control Board Room, 11020 Sun Center Drive, #200, in Rancho Cordova.