Your Tap Water High Quality, Safe, Reliable Presented by Razmik Manoukian Director of Water Quality
Agenda • Regulations and the impact to Los Angeles • Water Quality Improvement Projects (WQIP) in the last 20 years • Benefits as a result of WQIP’s to customers as reflected in the Annual WQ Report • Comparison with bottled water 2
Increase in Drinking Water Regulations Recent Regulations Surface Water • Treatment Rule (1989) Long Term 2 SWTR • (2006) Disinfection • Byproduct Rule (2012)
1912 – Disease Spread by Common Drinking Water Cups 4
First Drinking Water Related Regulation 5
Safe Drinking Water Act of 1974 • Prior to 1987, only chlorine treatment • In 1987, State of the Art Direct Filtration Plant with Ozone disinfectant • Pipe Lining Program(2005) 6
Surface Water Treatment Rule (SWTR) – 1989 7
Encino Reservoir taken out of service (2004) 8
Lower and Upper Hollywood Reservoir taken out of service (2001). Replaced by Toyon Tanks 9
Lower Stone Reservoir taken out of service (2006) 10
Long Term 2 Enhanced SWTR - 2006 11
Elysian Floating Cover 12
Headworks Reservoirs 13
Upper Stone Canyon Reservoir 14
Santa Ynez Floating Cover 15
Dr. Parekh UV Plant (Existing) 16
Ultraviolet Plant (in construction)
Disinfection Byproduct Rule No. 2 - 2012 18
96M shade balls in LA Reservoir 19
Chloramination Chlorine + Ammonia 20
Superior Water Quality • Treated water tested for 200+ substances • Source water tested for 600+ substances • 40,000 samples & 125,900 laboratory tests annually • Substantially below all Drinking Water Standards (at least 50% below safe limits) • Customer Complaints reduced by 75% since 2000
Customer Care & Water Quality Notices • Annual Drinking Water Quality Report www.ladwp.com • Website articles and Fact Sheets • Vimeo & YouTube videos on common issues • WQ Customer Hotline (213) 367-3182 • Free assessment, inspection, or testing • 1-800-DIAL-DWP basic trouble-shooting 22
Bottled Water Revolution • Started in the mid 1990’s • Soda companies started moving away from sugary carbonated beverages to healthier choices. • Why not? They can buy treated water for less than a penny a gallon that meets all regulations – treat again with reverse osmosis, bottle it and sell it for high profit?
Water Fountains & Hydration Stations Timeline Sep 2012- Gov. Brown signs AB 685 Human Right to safe, clean, and affordable water Aug 2018- CD7 (Rodriguez) Motion to expand hydration stations at parks and promote reusable bottles May 2019- CD2 (Krekorian) Motion to phase out single-use bottled water and to affirming the Human Right to water (Blue Community) Jun 2019- Mayor’s Green New Deal sets goal of installing or refurbishing 200 hydration stations at municipal buildings and park sites Ongoing- LADWP and Mayor’s Office provide seasonal fountains in Skid Row and for the homeless 25
Access, Functional, and High Quality Tap Water Buildings and Parks Schools Landmarks 26
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Filtration Process 28
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