o&g activities and the charlie lake watershed
DESCRIPTION
O&G Activities and the Charlie Lake Watershed. Presentation by Allan Blair OGC SCEK Fund Workshop June 10, 2004. Agenda. Charlie Lake Watershed What are the issues? Strategic Environmental Plan for the Charlie Lake Watershed Run-off – a sediment primer Oil and Gas activity successes - PowerPoint PPT PresentationTRANSCRIPT
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O&G Activities and the Charlie Lake Watershed
Presentation by
Allan Blair
OGC SCEK Fund Workshop
June 10, 2004
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Agenda
• Charlie Lake Watershed• What are the issues?• Strategic Environmental Plan for the Charlie
Lake Watershed• Run-off – a sediment primer• Oil and Gas activity successes• Future work• More information?
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Charlie Lake Watershed
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What are the issues?
Major concerns*: – lake water quality– recreational fishery – other recreation uses
Other concerns: – maintaining bird and wildlife
habitat
*Based on CLCS/PRRD survey of concerns from lake residents and users
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Strategic Environmental Plan
Key Areas for improvement• upgrading of poorly functioning stream
crossings (primarily culverts that pass under roads)
• Preventing run-off from oil and gas sites, agricultural and lakeshore development sites
• reducing impacts from isolated septic systems.
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SiO2-
PO4--
-
-
+
+
--
-+
+
PO4-
PO4-Cd+
Pb2+
Electrostatic charges on sediment surfaces can carry nutrients/chemicals
Run-off – a sediment primer
• Fine sediments (silts, clays) can carry nutrients and chemical contaminants
• Suspended sediment reduces water clarity - Affects growth of bottom algae (basis of food chain)
• Reduces hunting success of predatory fish (fish are generally visual hunters)
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Visible sediment load in Stoddart Creek
Run-off – a sediment primer
(cont’d)
• Can cover over important fish spawning areas
• Over time lakes fill in. As lakes shallow, turbidity increases and algae-bloom related problems worsen.
• Erosion ultimately results in the loss of valuable land.
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Oil and Gas activity in the Watershed
• 130 oil/gas and related industrial sites
• Oil field roads
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Oil and Gas – culvert / road restoration
Before
After
Site Restoration – road and culvert removed
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Oil and Gas - site drainage
Before
After
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Scope of Future work
• OGC SCEK matching funding for 2005• ID sites with opportunities to remedy or
mitigate ongoing erosion issues • Expand efforts in working with well site
operator, OGC and land owner • Develop strategies and a plan of action to
deal with the identified erosion issues • Explore best practices for erosion control for
future development
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More information?
• www.charlielakeconservationsociety.ca