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Stormwater quantity
monitoring in Hagan and Graham Creeks
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Hagan
Watershed
Projects
and Programs
Hagan/Kennes Watershed, including Graham Creek
Over the last 9 years, the Hagan Creek Watershed
Project has been undertaking in-stream restoration,
education and outreach programs for Hagan and
Graham Creeks. Replanting, fencing, and in-stream
complexing have been underway in Centennial Park
and lower Hagan creek. Watershed assessments
of impervious surface coverage, watershed planning
and stormwater and water quality monitoring are
a few of the project activities.

Channel reconstruction in the lower Hagan
valley
This year we have seen a considerable revival
of the Hagan Creek Project Steering Committee.
A new work plan has included volunteers
working on measuring water quality, planting
the lower Hagan Creek riparian zone and ‘tuning’ up
Graham Creek in Centennial Park. The
Steering Committee meets regularly and is looking
for members and new ideas! The District
of Central Saanich will be undertaking an Integrated
Stormwater Management Planning (ISMP)
process in 2006!
Storm Water Pollution
Following through on work begun in 1998 in Centennial
Park, the Hagan group has re-established their
partnership with the District of Central Saanich.
Their efforts have been focused on upstream sources
of storm water pollution. Businesses in the Keating
Industrial Park on the Graham Creek side of the
watershed were inventoried, contacted and surveyed
on their stormwater habits. Water quality monitoring
by Peninsula Streams Society helped tremendously
in illustrating the problem for survey respondents.
Water quality testing continues in the industrial
area and throughout the watershed.
Learn more
about the Keating Industrial Park programs
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Backgrounder
The Hagan-Graham Watershed is one of the largest on the Saanich Peninsula, spanning almost all of the Municipality of Central Saanich. The watershed is made up of two streams: Hagan Creek and Graham Creek. Hagan Creek has several small tributaries and originates in the north from Mt. Newton. Graham Creek originates just south of the Central Saanich border in the area between West Saanich Road and Old West Saanich Road.
The Hagan-Graham Watershed is impacted by a variety of human uses including, industry and agriculture. Of particular concern is the pollution entering the watershed through the storm drain system. Consistently high pollution levels, including heavy metals, hydrocarbons and fecal coliforms, have been measured near storm drains in the Keating Industrial area.
Several restoration projects have been completed in the lower Hagan-Graham Watershed. There are also projects planned for the future in the area.

Hagan Creek replanting

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