Ebmud Water Treatment Project, San Franciso, USA
Key Data:
Plant Types
3 x conventional filtration plants; 3 x in-line plants
Total Capacity
1.4 million cubic meters per day
Filter Media
Sand & anthracite/carbon
Disinfection
Chlorine/chloramines; ozone at Sobrante & Upper San Leandro WTPs
Water Quality (2006 average)
Total Coliforms
<0.1%
Turbidity (NTU)
0.04
Colour (in colour units)
1
Odour (TON)
1.9
TDS (in mg/l)
108
pH (in pH units)
8.5 - 9.1
EBMUD Service area
Project Timeline:
Water Supply Management Program adopted
1993
Seismic Improvement Program adopted
1994
East Bay Watershed Master Plan Adopted
1996
Water System Revenue Bonds Authorised
2001
EIR Certified
December 2006
Main Project Anticipated Duration
2011-2014
Cost:
Plant Improvements
$225m
Distribution System Improvements
$145m
Key Players:
Client
EBMUD
Design Services
Carollo Engineers
Pipework
Northwest Pipes
Microtunnelling
Modern Continental
EBMUD Service area:
Population Served
1.3 million
Length of Pipelines
3,944 miles
Pumping Plants
126
Reservoirs/Tanks
165
Pressure Zones
122
