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From:
Reid Robinson
To:
Health, HLTH HLTH:EX
Cc:
lynne.magee@viha.ca ;
Fraser, Scott
Sent: Tuesday, January 06, 2009 8:59 PM
Subject: Re: Ministry of Healthy Living and Sport Response - 757635
Dear Tim Lambert,
During the passed 8 years, I have been directly involved in discussion with
various timber companies, private property owners, including local government in
the Port Alberni area, regarding protection of karst resources.
As a result, I have discovered that pubic awareness of Karst and associated
drinking water vulnerability is poorly understood and not appropriately
considered by utilities, timber companies or private property owners prior to
conducting ground-breaking activities. I can only conclude that fault lies with
the lack of public knowledge, largely because of the absence of acknowledgement
and vague generalizations in Section 23 of the Drinking Water Protection Act
(DWPA) and associated Ministry guidebook(s).
Many in the scientific community consider karst terrain a type of wet-lands with
special landforms and drainage characteristics due to greater solubility of
carbonate rocks such as limestone. The Forest Practices Code, Biodiversity
Guidebook Sept. 1995, for example infers that areas of exposed karstified
bedrock are unique and require special management.
As you are most likely aware, the Ministry of Forests produced the 2003 Karst
Management Handbook for BC, which was provided primarily as a guide for timber
companies when conducting operations on crown land. Never the less, most timber
companies continue to believe that Karst is a recreational issue only.
During 2004, the BC provincial government established the Government Actions
Regulation (GAR) providing the Minister of Forest and Range with an opportunity
to protect elements of a karst system within provincial forests. However, none
of the 3 existing district GAR karst orders identify water as an important or
significant element of a karst system.
In contrast, the DWPA provides no specify wording with respect to Karst, nor is
the term or directive contained in related handbook guidance. Current DWPA
handbook definition for �Stream� for example, includes surface landforms such as
swamp, ravine, gulch, etc, yet does not include exposed calcareous bedrock or
associated features, such as swallets, sinking streams, sinkholes, vertical
shafts, caves, epikarst or dry valleys.
Prior to December 2007, the term �groundwater� was also included in the
Ministry�s guidebook definition for �Stream� (Working in and around drinking
water?). Upon learning of this, Ministry staff removed the term �groundwater�
from the definition in less than one working day.
I do not believe it unreasonable to request revising Section 23 of the DWPA and
related handbook guidance with the intent to clarify protection for karst,
associated features and drainage systems utilized for commercial and domestic
water supply.
In light of your response and current expectation, Regional Drinking Water
Coordinator Lynne Magee will be contacted and offered a field tour to better
understood the high probability of future impact to karstic drinking water
supplies. Perhaps you would like to attend.
Thank you for sharing your perspective and recommendation.
Best Regards,
Reid Robinson
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