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Health Advisory

Last updated: October 16, 2017, 1:40 pm

How to help North Bay Wildfire Victims:

Wildfire relief organizations prefer monetary donations at this time. For safety reasons, and to avoid blocking emergency traffic, please don’t bring donations to areas affected by wildfires.

Places to donate in Contra Costa:

The Bay Area Air Quality Management District has declared a health advisory due to heavy smoke from the North Bay Fires. For more information visit

RMP - Calpine - Los Medanos Energy Center (LMEC)

Pittsburg, CA

Calpine Corporation operates the Los Medanos Energy Center (LMEC), a nominal 500-megawatt power plant located in Pittsburg, CA. The plant is a merchant facility marketing electrical power on the open power exchange market and ancillary service support to the California Independent Systems Operator (CAL-ISO) grid. Aqueous Ammonia is used in selective catalytic reduction operations to reduce air pollution emissions.

For additional information regarding this facility's operations and most recent audit results, please view the Audit Summary | Spanish (PDF).

Regulated Substances Subject to CalARP/Federal RMP/ISO:
Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Aqueous Ammonia (PDF) 2 yes yes no