A Canadian mining company wants to re-open the Idaho-Maryland Mine. Scroll to learn more.

Yes really! A company named Rise Gold has applied to restart mining operations in Grass Valley, CA.

And the clock is ticking...

Nevada County has approved development of a Draft Environmental Report (DEIR), which is expected to be available for community review later in 2020 or early 2021. Read on to learn more.

Gold brings the lure of possible riches, but at what cost to our community?


24 hours a day,

7 days a week

1500 tons a day

Waste rock and tailings removed

Up to

100 truck trips

round trips a day, carrying waste rock

16 hours a day

7 days a week

75 acres

Engineered fill

up to 70 feet high

excavating, Grading, compacting

7:00 am - 3:30 pm

7 days a week

for 11 years

122,000 square feet

Gold processing plant

Other industrial buildings

Water treatment pond

How will it impact watershed or habitat?

Will drilling for gold dry up our wells, or foul them?

How many more spare-the-air days do we need?

How will it affect our quality of life?



Property values?

Get the facts!

Get involved!

The mission of the Community Environmental Advocates Foundation (CEA Foundation) is to perform research, education, and advocacy to promote public policy and actions resulting in responsible land use and environmental protection in Nevada County and the Sierra Nevada region.


  • The small print. Images are representative only and do not reflect specific future plans.