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Mercury: Mercury:

Mercury: - PowerPoint Presentation

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Mercury: - PPT Presentation

From the Sierra to the Delta and beyond Izzy Martin The Sierra Fund We do this through The mission of The Sierra Fund is to increase and organize investment in the natural resources and communities of the Sierra Nevada ID: 309776

mercury sierra mining nevada sierra mercury nevada mining creek reservoir water delta bay sediment river humbug hydraulic legacy discharging sea watershed combie

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Slide1

Mercury: From the Sierra to the Delta… and beyond!

Izzy MartinThe Sierra FundSlide2

We do this through:

The mission of The Sierra Fund is to increase and organize investment in the natural resources and communities of the Sierra Nevada.

Strategic Campaigns

Advocacy

Philanthropy

Water Bond

Mining Law Reform

Fiscal Sponsorships

Donor-Advised Funds

Litigation Loans

Addressing impacts of legacy miningSlide3

Detail from Brass Seal

West side of Capitol:

Miner and Mercury FlaskSlide4

Mining left a lasting legacy from the Sierra to the SeaSlide5

Champion Mine

(had 4 mercury retorting sheds)

Circa 1890

The mine tailings were discharged directly into Deer Creek, outside of Nevada City, CASlide6

More than 96% of the total mercury loading to the Bay-Delta comes from the streams and rivers of the Sierra Nevada and the Inner Coast Range

(Wood et al., 2010). Figure From: SWRCB April 23, 2014 Mercury Programs UpdateSlide7

Map of

Abandoned Mines in California

California Department of Conservation

2007Slide8

Ranking of Mining-Impacted watersheds in the Sierra Nevada Province of the California Bay-Delta Authority Watershed

Source

: CA Department of Conservation,

2003Slide9
Slide10
Slide11
Slide12

Mine Hot Spots:

Malakoff

Diggins State Park

Humbug Creek Watershed AssessmentSlide13

Hiller Tunnel, draining the pit, discharging

during 2012 rain storm into Humbug Creek

Humbug Creek discharging into the Yuba River. Mercury travels on suspended sediment to the deltaSlide14

Hydraulic Mining

debris in the Bear River above Combie

Reservoir

Reservoir Sedimentation: Combie

Project, Nevada Irrigation District Slide15

POLICY OPPORTUNITY

New focus on removal of mercury contaminated sediments

while expanding

water storage capacitySB 1259 (Pavley) to study sediment in reservoirs/water bond dialogueRollins Reservoir, choked with

Hydraulic mining debrisNovember 2013Slide16

Join our Campaign to

f

rom the

Sierra to the SeaSlide17

Thank You!

Elizabeth “Izzy” Martin

Izzy.Martin@sierrafund.org

(530) 265-8454 x11

www.sierrafund.org