Statewide Mercury Policy Control Program for Mercury in Reservoirs December 17,
Why a Statewide Mercury Policy? Protect the health of humans and wildlife who eat fish from California’s waters Set standards for safe amounts of mercury Reduce mercury/methylmercury in water and fish Efficiency, consistency 2
Mercury- impaired waters 3
What Could a Policy include? Numeric Mercury fish tissue objectives fish tissue objectives implementation plan Mercury control programs Reservoirs Future control programs Rivers, creeks, streams, bays, estuaries, and lagoons 4
Reservoir Fish Mercury Levels 5
Potential Ways to Reduce Mercury Levels in Fish Mercury sources Reservoir chemistry Fisheries management 6
7 Sources of Mercury
8 Sources: Mine Waste
9 Sources: Air Emissions
10 Sources: Urban Areas
Water Changes Due to Dams 11 BeforeAfter
12 Reservoir Chemistry
Reservoir Chemistry and Water Management 13 O2O2O2O2
Fisheries Management Species Size limits Catch/release Signage 14
Statewide Policy and Reservoir Project Schedule 15 CEQA Scoping MeetingsMarch 2012 Policy and Staff Report PreparationMarch Spring 2013 Scientific Peer ReviewSpring 2013 Circulate Staff Report for Public CommentSummer 2013 Board WorkshopFall 2013 Board Adoption HearingWinter
For more information: Project web page: water_issues/programs/mercury Sign up for notices for both projects at: _subscriptions /swrcb_subscribe.shtml#quality y y 16