and Water Quality
By Larry McCollum
of the Contra Costa Water District
ride our bikes along the canal system on weekends. We walk along these same paths for exercise at lunch. We
throw away the water quality reports that arrive annually in
our mailboxes as just another piece of junk mail. We take our
water for granted. But water and water quality can be critical
to our hobby of growing orchids.
reading the latest annual report I decided that it might be
nice to find out where our water comes from. Maybe
we should know how to read the annual report.
And know the difference between hardness and calcium
carbonate concentration, know what total dissolved solids
means, as well as eletroconductivity testing of water.
has gone over your head? You feel awash and drowning in terms
you donít understand? Have
no fear! You
really donít need to know any of these terms in order to grow
orchids. But some
folks say that in order to grow them well
is another story. Believe
me, some hobbyists really get into the caliber and quality of
If anyone can knowledgeably discuss Contra
Costaís water its Larry McCollum, supervising water scientist
at the CCWD. The
Contra Costa Water district has a long history of public
service and community outreach.
We are able to hold our meetings in the CCWD Board room
because the CCCWD is committed to public service. The Contra
Costa Water District delivers safe, clean water to 450,000
people in central and eastern Contra Costa County in Northern