Up
from five sites a few years back, the Rockcastle County
caver-samplers now cover seventeen sites, checking for dissolved oxygen
and pH levels, fecal coliform (poop) levels, and other measures of
water quality at a variety of cave streams and springs in the Great
Salpetre area.
This year’s spring sampling was marred – thankfully, without serious
injury – when an SUV full of caver-samplers went off the road to
Goochland Cave and rolled downhill. Gotta watch that new-laid gravel on
the edges of narrow, steep Rockcastle roads – there’s nothing holding
it up.
Your intrepid reporter tagged around after Deb Bledsoe and Dalene
Smith. Deb was teaching Dalene the art and science of scientific
sampling procedures, so that Dalene could carry out regular monitoring
on Lake Linville and the Renfro Creek tributaries leading to it. Lake
Linville is that funky little reservoir that you cross on I-75 just
north of the Exit 59/Great Salpetre (Cave) Preserve exit. It is a local
water supply – and it has some serious pollution problems.
Deb Bledsoe’s organization A-SPI (Appalachia – Science in the Public
Interest) and other groups, agencies and consulting companies are
working to develop a state-approved cleanup plan for the lake, but
first the situation requires monitoring to determine the extent and
causes of the problem. Right, this is not exactly cave/karst
water
sampling, but it’s part of the water quality situation in Rockcastle
County.
All the cave and surface water samplers met at the Exit 59 Shell
station at 11:30 am, where they handed in their samples to the Upper
Cumberland Watershed Watch runner and signed their chain of custody
forms. He then dashed the samples off to the lab for analysis, and the
results will be available online at
http://kywater.org/watch/