To: Interested Parties

From: Environmental Services Division

RE: April 2010 monthly Water Quality Report

The Environmental Services Field Offices conducted water quality monitoring in the Sabine Basin from April 19th through 21st. The results of the field monitoring are presented in this report and additional laboratory results will be included in the annual Sabine Basin Water Quality Report.

 

Sabine Basin Tidal (Including Tributaries)

 

Weather - Weather conditions in the Tidal Basin were warm with high temperatures from the low 70s to low 80s. Low temperatures ranged from upper 40s to upper 50s. The Tidal stations received 0.03 inches of rainfall in the seven days prior to the sampling event.

 Tidal Conditions Surface salinity values greater than 1 ppt were only found at three Tidal stations. The highest salinity value of 9.2 ppt was recorded at Sabine River station SRT1 at a depth of 10.2 meters.

Lower Sabine Basin (Toledo Bend Reservoir and Below)

 

Weather - Weather conditions in the Lower Basin were warm with high temperatures from the mid 70s to mid 80s. Low temperatures ranged from low to upper 50s. Toledo Bend received 0.03 inches of rainfall during the seven days prior to the sampling event.

Lake Level - The level of Toledo Bend Reservoir was recorded at 170.64 feet with 204 cfs discharge at the time of sampling. Toledo Bend has a conservation pool level of 172ft msl. Reservoir profiles indicated some stratification of the water column.

 

Upper Sabine Basin (Lake Tawakoni, Lake Fork Reservoir, and the River Above Toledo Bend)

 

Weather - Recent weather (previous seven days) in the Sabine River Basin was mild, with daytime highs in the mid 50s to low 80s with lows in the upper 40s to low 60s at Lake Tawakoni and at Lake Fork. Lake Tawakoni received 0.72 inches of rainfall and Lake Fork received 0.27 inches rainfall the week preceding the sample run.

Lake Level - The level of Lake Tawakoni was 437.76 feet msl with a 230 cfs release and the level of Lake Fork was 403.10 feet msl with a 4.5 cfs release at the time of sampling. Lake Tawakoni and Lake Fork have conservation pool levels of 437.5 msl and 403 msl, respectively. Reservoir profiles indicated some stratification of the water column.

This Report and additional data for these monitoring stations are available on our World Wide Web site (www.sratx.org). If you have any questions or comments concerning this report, please contact:

 

 

  Miles Hall, Environmental Services Division Manager
409-746-3284 (mhall@sratx.org)

  Lower and Tidal Sabine Basin
Jerry Wiegreffe, Lower Basin Field Office Coordinator
409-746-3284 (jwiegreffe@sratx.org)

  Upper Sabine Basin
Terry Wilson, Upper Basin Field Office Coordinator
903-878-2420 (twilson@sratx.org)


 

 

SABINE RIVER AUTHORITY OF TEXAS

Monthly Water Quality Report

 

Table of Contents

Fixed Monitoring Stations 4

Segment 0501 Sabine River Tidal 5

Segment 0502 - Sabine River Above Tidal 8

Segment 0503 - Sabine River Above Caney Creek. 9

Segment 0504 Toledo Bend Reservoir. 10

Segment 0505 - Sabine River Above Toledo Bend Reservoir. 15

Segment 0506 - Sabine River Below Lake Tawakoni 16

Segment 0507 - Lake Tawakoni 20

 

 

Table of Figures

Sabine Basin Map. 3

Segment 0501. 7

Segment 0502. 8

Segment 0503. 9

Toledo Bend Reservoir Profiles. 11

Segment 0504. 14

Segment 0505. 15

Lake Fork Reservoir Profiles. 17

Segment 0506. 19

Lake Tawakoni Profiles. 20

Segment 0507. 22

 


 
Sabine Basin Map

 

 


Fixed Monitoring Stations

Segment

Station

TCEQ ID (SRA-TX ID

Location

501

10391 (SRT1)

SABINE RIVER AT CHANNEL CAN 3

501

15654 (BB1)

BLACK BAYOU IN CAMERON PARISH

511

10449 (CB1)

COW BAYOU AT ROUNDBUNCH ROAD

508

10441 (AB2)

ADAMS BAYOU AT FM 1006

501

15653 (ICW1)

INTERCOASTAL WATERWAY AT PERRY RIDGE

501

18056 (SRT1C)

OLD HWY 90

501

10394 (SRT2)

SABINE RIVER AT IH 10

501

10395 (SR1)

SABINE RIVER 12.00 KM UPSTREAM OF IH 10

502

10397 (SR2)

SABINE RIVER AT SH 12 NORTH OF DEWEYVILLE TX.

513

10465 (BCC1)

BIG COW CREEK AT FM 1416 SOUTH OF BON WIER

503

10398 (SR3)

SABINE RIVER AT US 190 EAST OF BON WIER TX.

503

10340 (BA4)

ANACOCO BAYOU AT LOUISIANA HWY 111 CROSSING SOUTHWEST OF KNIGHT LA

503

10399 (SR5)

SABINE RIVER AT SH 63 EAST OF BURKEVILLE TX.

503

10401 (TB6S)

SABINE RIVER BELOW TOLEDO BEND RESERVOIR AT RIGHT ABUTMENT OF SPILLWAY FOR DAM

503

15660 (BT1)

BAYOU TORO AT LA SH 392 IN SABINE PARISH SW OF HORNBECK LA

504

10404 (TB6A)

TOLEDO BEND RESERVOIR MAIN LAKE ABOVE THE DAM AT THE OLD RIVER CHANNEL

504

10407 (TB6CN)

TOLEDO BEND RESERVOIR IN SIX MILE BOAT LANE AT SH87

504

18054 (TB6Q)

TOLEDO BEND RESERVOIR IN NEGREET BAYOU

504

10411 (TB6F)

TOLEDO BEND RESERVOIR IN SUNSHINE BAY NEAR FM3121 BRIDGE

504

10402 (TB6H)

TOLEDO BEND RESERVOIR AT SH 21 NORTHEAST OF MILAM

504

15659 (TB6K)

TOLEDO BEND RESERVOIR IN LANANA BAYOU AT LOUISIANA SH 191 IN SABINE PARISH LOUISIANA WEST OF MANY

504

15655 (TB6J)

TOLEDO BEND RESERVOIR PATROON BAYOU BRANCH AT FM 276

504

18053 (TB6LN)

TOLEDO BEND RESERVOIR SAN MIGUEL ARM BOAT LANE

504

18052 (TB6R)

TOLEDO BEND RESERVOIR AT RAGTOWN

505

10415 (SR10)

SABINE RIVER AT FM 2517

505

13628 (SR11)

SABINE RIVER AT US 59

505

10423 (SR14)

SABINE RIVER AT SH 149

505

10426 (SR15)

SABINE RIVER AT US 259

505

10427 (SR16)

SABINE RIVER AT SH 42

506

10428 (SR17)

SABINE RIVER AT US 271

506

10429 (SR19)

SABINE RIVER AT SH 14 S. OF HAWKINS

506

10430 (SR21)

SABINE RIVER AT US 69

514

16011 (BS9)

BIG SANDY CREEK AT WHITE OAK ROAD

515

10469 (LF20)

LAKE FORK CREEK AT US 80

512

10458 (LF2)

LAKE FORK RESERVOIR NEAR DAM IN CREEK CHANNEL

512

10462 (LF4)

LAKE FORK RESERVOIR MID-COVE IN LAKE FORK CREEK ARM AT FM515

512

10461 (LF3)

LAKE FORK RESERVOIR MID-ARM IN CANEY CREEK ARM AT FM 515

507

10434 (LT23A)

LAKE TAWAKONI IN THE MAIN LAKE NEAR THE DAM

507

10435 (LT23D)

LAKE TAWAKONI IN KITSEE INLET NEAR WHITE POINT CAUSEWAY

507

10437 (LT23B)

LAKE TAWAKONI AT SH 276


Segment 0501 Sabine River Tidal

Description: The designated segment includes the Sabine River from the confluence with Sabine Lake in Orange County to West Bluff in Orange County. Although some areas are quite rural, this part of the Sabine Basin has two cities with populations greater than 5,000 and a variety of industries.

Segment 0508 Adams Bayou Tidal. The segment reaches from the confluence with the Sabine River in Orange County to a point 1.1 kilometers (0.7 miles) upstream of IH-10 in Orange County.

Segment 0511 Cow Bayou Tidal. The segment reaches from the confluence with the Sabine River in Orange County to a point 4.8 kilometers (3.0 miles) upstream of IH-10 in Orange County.

 

Sampling Conditions: The Tidal stations received 0.03inches of rainfall in the seven days prior to the sample event.  Surface salinity values greater than 1 ppt were only found at three Tidal stations. The highest salinity value of 9.2 ppt was recorded at Sabine River station SRT1 at a depth of 10.2 meters.

Segment 0501 Water Quality with Profiles

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Salinity

Secchi

Turbidity

E.coli

Enterococcus

 

 

meters

C

SU

mg/L

 

S/cm

mg/L

ppt

meters

NTU

mpn/ 100mL

mpn/ 100mL

4/21/2010 11:25

10391(SRT1)

0.3

22.7

7.1

6.7

78

3,942

2,525

2.2

0.52

16.8

11

13

 

 

3.0

22.1

7.1

6.4

74

4,373

2,808

2.4

 

 

 

 

 

 

6.0

22.1

7.0

6.2

73

6,519

4,172

3.6

 

 

 

 

 

 

9.0

22.3

7.2

6.0

73

14,682

9,396

8.5

 

 

 

 

 

 

10.2

22.3

7.4

5.9

72

15,720

10,090

9.2

 

 

 

 

4/21/2010 11:15

15654(BB1)

0.3

21.7

7.2

5.8

67

3,419

2,190

1.8

0.5

19.7

16

250

 

 

2.0

21.2

7.1

5.6

64

3,420

2,190

1.8

 

 

 

 

 

 

3.8

21.2

7.1

5.5

63

3,420

2,190

1.8

 

 

 

 

Segment 0511

 

 

 

 

 

 

 

 

 

 

 

 

4/21/2010 11:40

10449(CB1)

0.3

22.9

7.1

6.2

73

1,549

998

<1

0.34

32.5

31

44

 

 

2.0

22.6

7.0

6.1

70

1,607

1,028

<1

 

 

 

 

 

 

4.0

22.5

7.0

5.9

68

1,590

1,019

<1

 

 

 

 

Segment 0508

 

 

 

 

 

 

 

 

 

 

 

 

4/21/2010 10:50

10441(AB2)

0.3

23.1

7.1

5.5

65

1,636

1,047

<1

0.51

18

12

46

 

 

2.0

21.9

7.0

4.9

56

2,346

1,501

1.3

 

 

 

 

 

 

3.9

22.0

7.0

4.8

56

2,551

2,551

1.4

 

 

 

 

4/21/2010 10:32

15653(ICW1)

0.3

21.5

7.1

6.6

77

6,997

4,476

3.9

0.42

24.2

9

32

 

 

1.0

21.4

7.1

6.5

76

7,015

4,488

3.9

 

 

 

 

 

 

3.0

21.4

7.1

6.5

75

7,063

4,521

3.9

 

 

 

 

 

 

5.7

21.4

7.1

6.4

74

7,124

4,559

4

 

 

 

 

NM = Not Measured

 

 

 

Segment 0501 Water Quality with Profiles Continued

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Salinity

Secchi

Turbidity

E.coli

Enterococcus

 

 

meters

C

SU

mg/L

 

S/cm

mg/L

ppt

meters

NTU

mpn/ 100mL

mpn/ 100mL

4/21/2010 10:17

18056(SRT1C)

0.3

22.2

7.1

5.0

59

701

461

<1

0.51

16.3

7

49

 

 

3.0

21.7

7.0

5.0

57

770

490

<1

 

 

 

 

 

 

5.0

21.4

6.8

4.7

54

1,867

1,194

1

 

 

 

 

 

 

8.0

21.7

6.8

4.9

57

3,191

2,035

1.7

 

 

 

 

 

 

11.0

21.5

6.8

4.6

53

5,121

3,276

2.8

 

 

 

 

4/21/2010 10:04

10394(SRT2)

0.3

22.9

7.0

5.3

62

225

144

<1

0.57

18.2

6

308

 

 

3.0

22.9

6.9

5.1

59

235

151

<1

 

 

 

 

 

 

6.0

22.5

6.9

4.9

57

315

202

<1

 

 

 

 

 

 

6.8

21.9

6.9

4.5

51

778

497

<1

 

 

 

 

4/21/2010 9:33

10395(SR1)

0.3

22.0

7.1

5.9

68

269

172

NM

0.38

29

16

NM

NM = Not Measured


Segment 0501


Segment 0502 - Sabine River Above Tidal

Description: The designated segment includes the Sabine River from West Bluff in Orange County to the confluence with Caney Creek in Newton County. The largest tributary is Big Cow Creek (Segment 0513). This is largely a rural area with no major industries or cities.

Segment 0513 Big Cow Creek from the confluence with the Sabine River in Newton County to a point 4.6 kilometers (2.9 miles) upstream of R 255 in Newton County.

Sampling Conditions: The USGS recorded flow at Sabine River station SR2 was 1,320 cfs.

Segment 0502 Water Quality

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/20/2010 8:43

10397(SR2)

0.3

22.3

7.2

7.0

80

182

116

0.36

24

3

Segment 0513

 

 

 

 

 

 

 

 

 

 

4/20/2010 9:18

10465(BCC1)

0.3

18.7

6.9

8.3

89

47

30

0.71

15.4

101

Segment 0502


Segment 0503 - Sabine River Above Caney Creek

Description: The designated segment includes the Sabine River from a point immediately upstream of the confluence with Caney Creek in Newton County up to Toledo Bend Dam in Newton County. This is largely a rural area with no major cities and few industries. The two major tributaries include Bayou Anacoco and Bayou Toro that flow from Louisiana.

Sampling Conditions: The USGS recorded flow at Sabine River station SR3 was 916cfs and the USGS flow at Sabine River station SR5 was 520cfs.

Segment 0503 Water Quality

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/20/2010 11:10

10398(SR3)

0.3

21.9

7.2

7.2

82

239

153

0.47

16.1

8

4/20/2010 10:50

10340(BA4)

0.3

20.8

7.4

6.6

73

586

375

0.23

24.4

21

4/20/2010 10:20

10399(SR5)

0.3

19.4

7.2

9.8

107

122

78

0.45

14.7

7

4/19/2010 13:30

10401(TB6S)

0.3

14.9

7.6

10.3

102

120

77

NM

5.94

10

4/19/2010 13:10

15660(BT1)

0.3

20.4

7.5

8.2

90

108

69

0.54

11.2

42

NM= Not Measured

Segment 0503


Segment 0504 Toledo Bend Reservoir

Description: The designated segment includes the Sabine River from Toledo Bend Dam in Newton County to a point immediately upstream of the confluence of Murvaul Creek in Panola County. Although this area is largely rural, it includes two cities with populations greater than 5,000. Murvaul Creek is a major tributary that enters upstream from the reservoir.

 

Sampling Conditions: Toledo Bend received 0.03 inches of rainfall during the week prior to sampling.  The level of Toledo Bend Reservoir was recorded at 170.64 feet with 204 cfs discharge at the time of sampling. Toledo Bend has a conservation pool level of 172ft msl. Reservoir profiles indicated some stratification of the water column.

 

Segment 0504 Water Quality with Profiles

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/19/2010 14:23

10404(TB6A)

0.3

20.9

8.0

10.1

113

124

79

1.3

7.47

1

 

 

1.0

20.9

8.0

10.1

113

124

79

 

 

 

 

 

2.0

20.9

8.0

10.0

113

124

79

 

 

 

 

 

3.0

20.9

7.9

10.1

113

124

79

 

 

 

 

 

4.0

20.9

7.9

10.0

113

124

79

 

 

 

 

 

5.0

20.9

7.9

10.0

112

124

79

 

 

 

 

 

6.0

20.2

7.8

9.9

109

124

79

 

 

 

 

 

9.0

17.5

7.5

9.5

97

129

83

 

 

 

 

 

12.0

15.3

7.2

8.7

87

121

77

 

 

 

 

 

15.0

13.1

7.0

7.9

74

119

76

 

 

 

 

 

18.0

12.4

6.8

6.9

64

119

76

 

 

 

 

 

21.0

12.1

6.7

6.2

58

119

76

 

 

 

 

 

24.0

11.6

6.6

6.1

55

117

75

 

 

 

 

 

25.3

11.3

6.4

5.1

46

117

75

 

 

 

4/19/2010 9:34

10407(TB6CN)

0.3

22.7

7.6

7.8

90

125

80

0.93

4.94

<1

 

 

1.0

22.7

7.3

7.7

90

125

80

 

 

 

 

 

2.0

22.6

7.2

7.5

86

125

80

 

 

 

 

 

3.0

22.2

6.9

6.0

68

128

82

 

 

 

 

 

4.0

20.9

6.5

1.2

12

161

103

 

 

 

 

 

4.6

20.6

6.3

0.3

3

174

111

 

 

 

4/19/2010 13:18

18054(TB6Q)

0.3

21.6

7.4

8.9

100

150

96

1.1

5.1

2

 

 

1.0

21.4

7.4

8.8

100

151

96

 

 

 

 

 

2.0

21.3

7.5

8.9

100

151

96

 

 

 

 

 

3.0

20.9

7.3

8.6

96

151

96

 

 

 

 

 

4.0

18.4

7.2

7.0

73

159

102

 

 

 

 

 

5.0

17.5

6.9

6.9

71

160

102

 

 

 

 

 

6.0

17.3

6.9

6.7

69

1616

103

 

 

 

 

 

7.0

17.2

6.8

6.4

68

159

102

 

 

 

 

 

8.0

16.9

6.7

5.0

51

159

102

 

 

 

 

 

9.0

16.6

6.5

3.7

38

160

102

 

 

 


Segment 0504 Water Quality with Profiles Continued

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/19/2010 10:45

10411(TB6F)

0.3

22.4

7.6

8.6

100

122

78

1.2

3.15

2

 

 

1.0

22.4

7.6

8.6

100

122

78

 

 

 

 

 

2.0

22.4

7.5

8.6

99

123

78

 

 

 

 

 

3.0

22.4

7.5

8.6

98

123

78

 

 

 

 

 

4.0

22.2

7.4

8.2

93

123

78

 

 

 

 

 

5.0

18.0

6.6

0.8

9

128

82

 

 

 

4/19/2010 11:12

10402(TB6H)

0.3

21.4

7.9

9.3

105

155

99

1.1

6.81

<1

 

 

1.0

21.4

7.9

9.3

105

155

99

 

 

 

 

 

2.0

21.4

7.9

9.3

105

155

99

 

 

 

 

 

3.0

21.4

7.9

9.3

105

155

99

 

 

 

 

 

4.0

21.3

7.8

9.2

104

154

99

 

 

 

 

 

5.0

21.3

7.8

9.2

104

154

99

 

 

 

 

 

6.0

21.2

7.7

9.2

104

155

99

 

 

 

 

 

7.0

18.1

7.2

6.9

71

163

104

 

 

 

 

 

10.0

17.2

6.8

5.9

61

163

104

 

 

 

 

 

13.0

15.9

6.7

5.0

50

163

104

 

 

 

 

 

16.0

15.3

6.5

4.1

40

164

105

 

 

 

 

 

19.0

15.0

6.5

3.4

33

166

106

 

 

 

 

 

22.0

14.9

6.5

2.6

26

167

107

 

 

 

4/19/2010 12:15

15659(TB6K)

0.3

22.2

7.7

8.5

97

173

110

1.1

4.8

1

 

 

1.0

22.1

7.6

8.5

97

172

110

 

 

 

 

 

2.0

20.8

7.3

7.2

79

167

110

 

 

 

 

 

3.0

19.3

7.1

6.2

66

161

103

 

 

 

 

 

4.0

19.0

6.9

5.5

59

160

102

 

 

 

 

 

5.0

18.6

6.8

5.3

56

160

103

 

 

 

 

 

6.0

18.3

6.7

4.6

48

160

103

 

 

 

 

 

7.0

18.2

6.6

4.6

48

160

103

 

 

 

 

 

8.0

18.1

6.6

4.3

45

160

103

 

 

 

 

 

9.0

17.8

6.6

3.7

38

160

103

 

 

 

4/19/2010 10:20

15655(TB6J)

0.3

22.0

7.6

8.0

91

180

115

0.85

5.64

4

 

 

1.0

22.0

7.5

7.9

91

180

115

 

 

 

 

 

2.0

22.1

7.5

7.9

91

180

115

 

 

 

 

 

3.0

22.0

7.4

7.6

86

179

114

 

 

 

 

 

4.0

20.4

7.0

3.9

42

173

111

 

 

 

 

 

4.4

20.1

6.7

2.8

30

174

111

 

 

 

 

 

 

Segment 0504 Water Quality with Profiles Continued

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/19/2010 12:35

18053(TB6LN)

0.3

21.9

7.2

8.4

95

149

96

0.75

6.51

<1

 

 

1.0

21.9

7.2

8.3

95

149

95

 

 

 

 

 

2.0

21.6

7.1

8.2

92

148

95

 

 

 

 

 

3.0

21.0

6.9

7.4

81

149

95

 

 

 

 

 

4.0

19.2

6.7

5.4

58

157

100

 

 

 

 

 

5.0

18.9

6.6

4.9

51

155

99

 

 

 

 

 

6.0

18.8

6.5

4.0

43

154

99

 

 

 

4/19/2010 9:55

18052(TB6R)

0.3

21.7

7.5

8.5

97

182

116

0.7

8.01

<1

 

 

1.0

21.7

7.5

8.5

97

181

116

 

 

 

 

 

2.0

21.7

7.4

8.5

97

181

116

 

 

 

 

 

3.0

21.7

7.4

8.5

96

181

116

 

 

 

 

 

4.0

21.7

7.4

8.4

96

181

116

 

 

 

 

 

5.0

21.7

7.4

8.4

96

181

116

 

 

 

 

 

6.0

21.7

7.4

8.4

95

184

118

 

 

 

 

 

7.0

21.6

7.3

8.2

93

185

119

 

 

 

 

 

8.0

21.3

7.2

7.1

78

186

119

 

 

 

 

 

9.0

20.0

6.8

4.4

48

186

119

 

 

 

 

 

10.0

19.3

6.7

3.8

41

186

119

 

 

 

 

 

11.0

19.3

6.7

3.5

38

186

119

 

 

 

 

 

12.0

19.1

6.7

3.2

35

187

119

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Toledo Bend Reservoir Profiles

 

TOLEDO BEND RESERVOIR MAIN LAKE ABOVE THE DAM AT THE OLD RIVER CHANNEL

 

TOLEDO BEND RESERVOIR AT SH 21 NORTHEAST OF MILAM

 

TOLEDO BEND RESERVOIR AT RAGTOWN


Segment 0504


Segment 0505 - Sabine River Above Toledo Bend Reservoir

Description: The designated segment includes the Sabine River from a point immediately upstream of the confluence of Murvaul Creek in Panola County to a point 100 meters (110 yards) downstream of US 271 in Gregg County. Segment 0505 is used extensively for water supply and contains the highest concentration of population in the Sabine Basin. The area includes a large section of the East Texas Oilfield as well as numerous industries.

Sampling Conditions: The (USGS recorded) flow at Sabine River Station SR11 was 1,070 cfs and Sabine River Station SR14 had a flow of 986 cfs.

Segment 0505 Water Quality

 

Date and Time

Station

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/21/10 10:20

10415(SR10)

19.5

7.1

7.9

87

277

177

0.21

37.4

142

4/21/10 09:48

13628(SR11)

19.8

7.2

8.4

93

288

184

0.22

34.8

135

4/21/10 08:35

10423(SR14)

19.2

7.1

7.9

87

253

162

0.21

41.4

85

4/21/10 08:08

10426(SR15)

19.7

7.1

7.8

87

238

152

0.22

43.6

68

4/21/10 07:45

10427(SR16)

19.0

7.1

7.7

84

231

148

0.26

34.2

70

 

 

 

Segment 0505


Segment 0506 - Sabine River Below Lake Tawakoni

Description: The designated segment includes the Sabine River from a point 100 meters (110 yards) downstream of US 271 in Gregg County to Iron Bridge Dam in Rains County. This is a largely rural area, but historically numerous dairies were located in the watershed. The major tributaries include:

Segment 0514 - Big Sandy Creek from the confluence with the Sabine River in Upshur County to a point 2.6 kilometers (1.6 miles) upstream of SH 11 in Hopkins County.

Segment 0515 - Lake Fork Creek from the confluence with the Sabine River in Wood County to Lake Fork Dam in Wood County.

Segment 0512 - Lake Fork Reservoir from Lake Fork Dam in Wood County up to the normal pool elevation of 403 feet.

Sampling Conditions: Lake Fork recorded 0.27 inches of rainfall the preceding seven days prior to sampling. The level of Lake Fork was 403.10 feet msl with a 4.5 cfs release at the time of sampling. Reservoir profiles indicated some stratification of the water column. The USGS recorded flows were

805 cfs at Sabine River Station SR17, 530 cfs at Sabine River Station SR19 and 335 cfs at Sabine River Station SR21. The USGS recorded flow for Big Sandy Creek was 141 cfs.

Segment 0506 Water Quality with Profiles

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/21/10 07:26

10428(SR17)

0.3

18.6

7.2

7.8

85

226

145

0.23

37.3

71

4/20/10 14:05

10429(SR19)

0.3

18.5

7.1

8.0

87

264

169

0.16

48.4

248

4/20/10 13:20

10430(SR21)

0.3

17.5

7.3

7.7

82

512

328

0.14

56.5

613

Segment 0514

 

 

 

 

 

 

 

 

 

 

4/21/10 06:45

16011(BS9)

0.3

17.2

6.7

7.7

81

136

87.6

0.42

20.5

291

Segment 0515

 

 

 

 

 

 

 

 

 

 

4/20/10 13:45

10469(LF20)

0.3

18.4

6.7

7.5

81

288

184

0.32

25.4

308

Segment 0512

 

 

 

 

 

 

 

 

 

 

4/20/10 07:43

10458(LF2)

0.3

17.8

7.1

8.4

90

144

92

1.26

5.98

<1

 

 

0.6

17.8

7.1

8.4

90

144

92

 

 

 

 

 

1.0

17.8

7.1

8.4

90

144

92

 

 

 

 

 

2.0

17.8

7.1

8.4

90

144

92

 

 

 

 

 

3.0

17.8

7.1

8.6

91

144

92

 

 

 

 

 

4.0

17.8

7.0

8.5

91

144

92

 

 

 

 

 

5.0

17.8

7.1

8.5

90

144

92

 

 

 

 

 

6.0

17.7

7.0

8.5

90

144

92

 

 

 

 

 

7.0

17.7

7.0

8.4

90

144

92

 

 

 

 

 

8.0

17.6

7.0

8.4

89

144

92

 

 

 

 

 

9.0

17.6

7.0

8.4

89

143

92

 

 

 

 

 

10.0

17.5

7.0

8.4

89

143

92

 

 

 

 

 

11.0

15.4

6.9

8.2

83

139

89

 

 

 

 

 

12.0

14.5

6.8

7.1

71

140

89

 

 

 

 

 

13.0

14.3

6.7

6.9

67

140

90

 

 

 

 

 

14.0

14.0

6.7

6.4

63

141

90

 

 

 

 

 

15.0

13.8

6.6

5.8

57

142

91

 

 

 

 

 

16.0

13.4

6.6

4.8

47

143

92

 

 

 

 

 

16.5

13.2

6.7

3.8

37

146

93

 

 

 

 

 

 

 

 

 

 

 

 

Segment 0506 Water Quality with Profiles Continued

 

 

Date and Time

Station

Depth

Temp

pH

DO

% Sat

Cond

TDS

Secchi

Turbidity

E.coli

meters

C

SU

mg/L

S/cm

mg/L

meters

NTU

mpn/100mL

4/20/10 09:00

10462(LF4)

0.3

19.4

7.4

8.1

90

144

92

0.73

9.24

2

 

 

0.6

19.5

7.4

8.1

90

144

92

 

 

 

 

 

1.0

19.5

7.2

8.1

89

144

92

 

 

 

 

 

2.0

19.5

7.1

8.1

89

144

92

 

 

 

 

 

3.0

19.4

7.1

8.1

89

144

92

 

 

 

 

 

4.0

19.4

7.1

8.0

89

144

92

 

 

 

 

 

5.0

19.4

7.1

8.0

88

144

92

 

 

 

 

 

6.0

19.4

7.1

7.9

87

144

92

 

 

 

 

 

7.0

18.4

6.9

7.3

79

145

93