WSP10787

• File Number: 8170
• Description: Arkansas Basin Water Quality Issues
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 9/1/1981
• Author: Bureau of Reclamati
• Title: Heavy Metals Pollution of the Upper Arkansas River - Colorado - and its Effects on the Distribution of the Aquatic Macrofauna
• Water Supply Pro - Doc Type: Report/Study

0.'6
O.!.O
0.'4
'"
:;
, '"
~
5
0 00.
.
-
"
00.

NOTE The lo...er dashed line 'epresenls l'"'e
recomme"ded I,mll lor lead In ",oltr of
( 100 ITIg/L hord"ess (os coC03l. The
upper dashed line represe"!S the
recomme"ded limit tor ...cter 01 100-200
mg/L nardntss (Davies and GOtHI, 1976 [34JL

,0<

O.Ol

00001 "
DETECTION C . . . . "
" 0 " .. : :
LIIIIT "0 . Ou 0 0 0 0 0
;:;c " . 0" . . . . .
00 .,
;0 00
~

Figure 11. - Mean and standard deviation of lead concentrations at all stations during the study
period.

2267

4.6S
...

NOTE' The dashed line represents ,ht
recommended 11m,' lor mcnganese
In wa'er of (200 mq/L ,",ordness
(os CoC03}(Dav,es ond Goettl, 1976 [34]1.

13.54

,..

~
~
.s IlO

'"
1.40

-
.
-
Z 1.00
.
o
2
; 080

0.60

02'

"
".
;4'
00
.0
"

~

. "
0 0 i. :
. . 0_
o.
-,
00
.
_

.
"
.

~
o
.

"
.

.
o
.

.
o
.

,<0

0.01
DETECTIO... -
LIII'T lo-
U

Figure 12.-Mean and standard deviation of manganese concentrations at all stations during the
study period.

28