06343500 E.A. PATTERSON LAKE NEAR DICKINSON, ND-Continued
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1971, 1975, 1980 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Time
Depth
to
bottom
of
samplng
intrval
meters
(82048)
Depth
to
top of
samplng
intrval
meters
(82047)
Color,
water,
fltrd,
Pt-Co
units
(00080)
pH,
water,
unfltrd
lab,
std
units
(00403)
Specif.
conduc-
tance,
wat unf
lab,
uS/cm
25 degC
(90095)
Hard-
ness,
water,
mg/L as
CaCO3
(00900)
Calcium
water,
fltrd,
mg/L
(00915)
Magnes-
ium,
water,
fltrd,
mg/L
(00925)
Potas-
sium,
water,
fltrd,
mg/L
(00935)
Sodium
adsorp-
tion
ratio
(00931)
Sodium,
water,
fltrd,
mg/L
(00930)
Sodium,
percent
(00932)
OCT
22...
1140
1.0
1.0
125d
8.1
955
190
43.0
20.8
12.7
5
157
62
FEB
18...
1100
1.5
1.0
40d
8.0
1,270
260
54.8
28.7
13.2
6
207
62
MAY
13...
1120
1.0
1.0
250d
8.0
569
110
25.2
12.3
9.08
3
78.1
58
SEP
08...
1140
1.0
1.0
50d
8.2
846
170
36.9
17.8
10.3
4
119
59
WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
ANC,
wat unf
fixed
end pt,
lab,
mg/L as
CaCO3
(90410)
Chlor-
ide,
water,
fltrd,
mg/L
(00940)
Fluor-
ide,
water,
fltrd,
mg/L
(00950)
Silica,
water,
fltrd,
mg/L
(00955)
Sulfate
water,
fltrd,
mg/L
(00945)
Residue
water,
fltrd,
sum of
consti-
tuents
mg/L
(70301)
Residue
on
evap.
at
180degC
wat flt
mg/L
(70300)
Ammonia
water,
fltrd,
mg/L
as N
(00608)
Nitrate
water,
fltrd,
mg/L
as N
(00618)
Nitrite
+
nitrate
water
fltrd,
mg/L
as N
(00631)
Nitrite
water,
fltrd,
mg/L
as N
(00613)
Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671)
Phos-
phorus,
water,
fltrd,
mg/L
(00666)
OCT
22...
212
7.17
0.3
8.4
280
659
679
0.17
0.34
0.36
0.015
0.04
0.07
FEB
18...
287
9.04
0.4
9.8
381d
878
905
0.24
--
0.45
E.006n
0.06
0.09
MAY
13...
115@c
4.61
<0.2
5.5
152
358
379
0.15
0.23
0.24
0.008
0.03
0.05
SEP
08...
184@c
5.41
0.3
8.3
245
554
592
0.10
--
0.06
E.007n
0.04
0.07
WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Boron,
water,
fltrd,
ug/L
(01020)
OCT
22...
207
FEB
18...
265
MAY
13...
112
SEP
08...
171
Remark codes used in this table:
< -- Less than
E -- Estimated value
Value qualifier codes used in this table:
@ -- Holding time exceeded
c -- See laboratory comment
d -- Diluted sample: method hi range exceeded
n -- Below the LRL and above the LT-MDL
WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Time
Reser-
voir
depth,
feet
(72025)
Ice
thick-
ness,
meters
(82131)
Sam-
pling
depth,
meters
(00098)
Trans-
parency
Secchi
disc,
inches
(00077)
Wind
direc-
tion,
clkwise
from
north,
degrees
(00036)
Wind
speed,
mph
(00035)
Baro-
metric
pres-
sure,
mm Hg
(00025)
Dis-
solved
oxygen,
mg/L
(00300)
Dis-
solved
oxygen,
percent
of sat-
uration
(00301)
pH,
water,
unfltrd
field,
std
units
(00400)
Specif.
conduc-
tance,
wat unf
uS/cm
25 degC
(00095)
Temper-
ature,
air,
deg C
(00020)
OCT
22...
1128
20.0
--
0.00
12.0
15
9.0
709
9.2
91
7.8
1,030
18.5
22...
1129
--
--
0.50
--
--
--
--
9.1
--
7.9
1,030
--
22...
1130
--
--
1.0
--
--
--
--
9.0
--
7.9
1,030
--
22...
1131
--
--
2.0
--
--
--
--
8.9
--
7.9
1,030
--
22...
1132
--
--
3.0
--
--
--
--
8.9
--
7.9
1,030
--
22...
1133
--
--
4.0
--
--
--
--
8.9
--
7.9
1,030
--
22...
1134
--
--
5.0
--
--
--
--
8.8
--
7.9
1,030
--
22...
1135
--
--
6.1
--
--
--
--
7.9
--
7.9
1,030
--
FEB
18...
1050
20.0
0.52
0.00
64.0
0.0
<5.0
706
7.6
58
7.2
1,360
3.5
18...
1051
--
--
0.50
--
--
--
--
7.5
--
7.2
1,340
--
18...
1052
--
--
1.0
--
--
--
--
7.4
--
7.2
1,330
--
18...
1053
--
--
2.1
--
--
--
--
6.7
--
7.2
1,340
--
18...
1054
--
--
3.1
--
--
--
--
6.2
--
7.2
1,370
--
18...
1055
--
--
4.1
--
--
--
--
5.8
--
7.2
1,390
--
18...
1056
--
--
5.2
--
--
--
--
5.4
--
7.2
1,440
--
18...
1057
--
--
6.1
--
--
--
--
2.6
--
7.2
1,530
--
MAY
13...
1110
22.6
--
0.00
7.20
295
5.0
704
9.1
88
7.5
603
8.5
13...
1111
--
--
0.50
--
--
--
--
8.9
--
7.5
603
--
13...
1112
--
--
1.0
--
--
--
--
8.8
--
7.5
604
--
13...
1113
--
--
2.4
--
--
--
--
8.8
--
7.5
603
--
13...
1114
--
--
3.7
--
--
--
--
8.7
--
7.5
603
--
13...
1115
--
--
5.0
--
--
--
--
8.8
--
7.5
604
--
13...
1116
--
--
6.9
--
--
--
--
8.8
--
7.6
603
--
SEP
08...
1130
21.6
--
0.00
12.0
110
5.0
712
8.2
90
8.2
870
18.0
08...
1131
--
--
0.50
--
--
--
--
8.1
--
8.2
870
--
08...
1132
--
--
1.0
--
--
--
--
8.0
--
8.1
870
--
08...
1133
--
--
2.5
--
--
--
--
8.0
--
8.1
871
--
08...
1134
--
--
4.0
--
--
--
--
7.8
--
8.1
867
--
08...
1135
--
--
5.5
--
--
--
--
8.0
--
8.1
867
--
08...
1136
--
--
6.6
--
--
--
--
7.5
--
8.1
868
--
WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
