[Vision2020] aquifer protection update

Thu, 11 Dec 2003 10:45:19 -0800

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Bill,

Thanks for the update. I must admit, I find the numbers a bit mystifying
when I go through the PBAC reports. In high school, I had a German
teacher, that used the concept of "showing your ignorance". Whenever you
made a really bad mistake, you had to stand until your turn came to
answer another question. If you answered correctly, you got to sit down.
As I am not very gifted in languages, I spent a lot of time standing. I
suspect this will be a case of me "showing my ignorance" as I am
probably making some really bad assumptions as I try to figure it out.
Please bear with me folks as I fumble through this.

I must be missing something basic here, because as engineers, we are
taught that:

IN = OUT + ACUMULATION

If the Aquifer is the ACCUMULATION term, and what we are pumping is the
OUT term, if the IN term is relatively constant, then OUT should
correlate with ACCUMULATION. Another way of putting that is that the
total yearly pumpage should correlate with the change in elevation each
year (not the absolute level, but the change from year to year).

But in 1930, Moscow, Pullman, WSU and UI were pumping 500 million
gallons per year out of the Grande Rode aquifer and the rate of decline
of the aquifer each year was about 1.5 feet per year. In 1999 these
entities were pumping 2,500 million gallons out of the aquifer each year
and the aquifer is still dropping 1.5 feet per year. I know that these
numbers don't consider rural pumping or other communities that use the
Grand Ronde aquifer, but that should actually make the situation even
worse.

The only conclusion that I can come to is that the source of water IN to
the Grand Ronde aquifer is decreasing and that what we are pumping out
has little or nothing to do with the level drop. Again, this is more of
a question than a statement. Like many others in the community, I am
just trying to understand the numbers being used. Can some one out there
help me find what I am missing here?

Thanks folks.

Bill Strand

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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Bill,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

Thanks for the update. I must =
admit, I
find the numbers a bit mystifying when I go through the PBAC reports. In =
high
school, I had a German teacher, that used the concept of &#8220;showing =
your
ignorance&#8221;. Whenever you made a really bad mistake, you had to =
stand
until your turn came to answer another question. If you answered =
correctly, you
got to sit down. As I am not very gifted in languages, I spent a lot of =
time
standing. I suspect this will be a case of me &#8220;showing my =
ignorance&#8221;
as I am probably making some really bad assumptions as I try to figure =
it out.
Please bear with me folks as I fumble through =
this.<o:p></o:p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>I must be missing something basic =
here,
because as engineers, we are taught that:<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>IN =3D OUT + =
ACUMULATION<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

If the Aquifer is the ACCUMULATION =
term,
and what we are pumping is the OUT term, if the IN term is relatively =
constant,
then OUT should correlate with ACCUMULATION. Another way of putting that =
is that
the total yearly pumpage should correlate =
with the
change in elevation each year (not the absolute level, but the change =
from year
to year).<o:p></o:p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

But in 1930, =
<st1:City><st1:place>Moscow</st1:place></st1:City>, <st1:City><st1:place>Pullman</f=
ont></st1:place></st1:City>, WSU and UI were pumping 500 million gallons per year out =
of the
Grande Rode aquifer and the rate of decline of the aquifer each year was =
about
1.5 feet per year. In 1999 these entities were pumping 2,500 million =
gallons
out of the aquifer each year and the aquifer is still dropping 1.5 feet =
per
year. I know that these numbers don&#8217;t consider rural pumping or =
other
communities that use the Grand Ronde =
aquifer, but
that should actually make the situation even =
worse.<o:p></o:p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

The only conclusion that I can come =
to is
that the source of water IN to the Grand Ronde
aquifer is decreasing and that what we are pumping out has little or =
nothing to
do with the level drop. Again, this is more of a question than a =
statement.
Like many others in the community, I am just trying to understand the =
numbers
being used. Can some one out there help me find what I am missing =
here?<o:p></o:p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Thanks =
folks.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 color=3Dblack face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt'>Bill Strand<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 color=3Dblack face=3D"Times New =
Roman"><span
style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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