Drinking Water Supply Watershed Area. Continuous Flow -Through Water Treatment Processes Raw Water...

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.