drinking water supply watershed area. continuous flow -through water treatment processes raw water...
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Drinking Water Supply Watershed Area
Continuous Flow -Through Water Treatment Processes
Raw Water Intake Chemical Preconditioning
Chemical Addition
Particle SettlingFiltration
Disinfection Distribution & Storage
Chemical Addition
Loveland River Intake Sample 8/16/00
0
2,000
4,000
6,000
8,000
10,000
12,000
ug/L
2000 2001 2002Date
Manganese
< Rain event
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
2000 2001 2002
Total Phosphorous
< Rain event
mg/l
In-Stream Standard
Mercury Levels - Bobcat Fire Area Runoff
What Is The Most Effective Water Treatment Strategy
(for Dealing With Post-Fire Runoff)
???
DUCK!
What Can Be Done To Reduce Drinking Water Risks Related To Forest Fires?
Forest fires are among the most serious threats to water quality ……..and in many cases to the water supply itself.
EPA’s Source Water Assessment Process (SWAP) must
include an assessment of the risk to public health from drinking water contaminants derived from forested areas that have or someday will be impacted by forest fires.
What Can Be Done To Reduce Drinking Water Risks Related To Forest Fires?
Conservation or Preservation
BMPs
Put “forest management” back into the hands of professional forest managers.