Our letter of January 15, 2016, transmitted a tentative order to terminate Waste Discharge
Requirements Order No. 89-16 (WDRs), and the associated Monitoring and Reporting Program,
Cl No. 6857 for the disposal of treated groundwater at the facility located at 25977 Sand Canyon
Road, Canyon Country, California.
Pursuant to Division 7 of the California Water Code, this Regional Board at a public meeting held
on March 10, 2016, reviewed the tentative order, considered all factors in the case, and adopted
Order No. R4-2016-0117 (a copy is enclosed) relative to the termination of the WDRs. No
written comments were received related to the termination of the WDR.