Continuous Water Quality

Monitoring Periodic Report

Gills Creek A (July 21, 2016 -- August 23, 2016)

MINIMUM

OBSERVED

MAXIMUM

OBSERVED

MEDIAN

OBSERVED

MEAN

OBSERVED

STANDARD

DEVIATION

STREAM NAME: STAGE (FT): 1.6 6.0 1.8 2.0 0.5

LOCATION:

ADDRESS:

COORDINATES:

TMDL/IMPAIRMENT:

NEIGHBORING

LANDUSE:

APPROX. DRAINAGE

AREA:

SPATIAL LOCATION:

TOTAL NO. STORMS

OVER 0.1 INCH:

MAX. DAILY RAINFALL: 2.7 inches

TOTAL RAINFALL

(FOR PERIOD):5.8 inches

Residential and commercial

48 square miles

PARAMETER

Gills Creek

Forest Drive Bridge

DESCRIPTION

4840 Forest Drive,

Columbia, SC 29206

Most upstream site

6

3.8

TURBIDITY (NTU): 4

CONTINUOUS

WATER QUALITY

PARAMETERS:

SUMMARY STATISTICS

TEMPERATURE (°F): 76 89 86 86 2

34.019826, -80.963566

Fecal & Dissolved Oxygen

428

pH: 5.9 7.0

7.8

0.032 0.07

SPECIFIC

CONDUCTIVITY

(mS/cm):

DISSOLVED

OXYGEN (mg/L):

0.055 0.054

6.5 6.3

31

0.9

0.2

0.004

10 20

6.5 6.5

3

5

7

9

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

mg/

L

Dissolved Oxygen 4 mg/L (SCDHEC Low Standard)

0100200300400500

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

NTU

Turbidity

0.00

0.75

1.50

2.25

3.0002468

1012

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

Stag

e, f

t

Stage & Rainfall

75

80

85

90

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

°F

Water Temp

5.5

6.0

6.5

7.0

7.5

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

pH

pH

0.020.030.040.050.060.070.08

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

mS/

cm

Specific Conductivity

SCDHEC in-stream standard: Daily average not less than 5 mg/L with a low of 4 mg/L

Note: Data gaps appear when the sonde is removed for calibration or when the flow depth is below the sensors

REPORT GENERATED ON 9/9/2016

Continuous Water Quality

Monitoring Periodic Report

Gills Creek A (July 21, 2016 -- August 23, 2016)

Explanation of Statistics:

MINIMUM OBSERVED

MAXIMUM OBSERVED

MEDIAN OBSERVED

MEAN OBSERVED

STANDARD

DEVIATION

Sampled Data:

Time Results Time Results Time Results Time Results

Escherichia coli

(MPN/100mL)10:48 40 12:34 1,812

Total Suspended

Solids (mg/L)

Total Phosphorus

(mg/L)

Total Nitrogen

(mg/L)

Notes: Both samples collected at this site during this reporting period were collected during dry weather conditions.

The minimum of the values recorded by the datasonde in 15 minute intervals.

The maximum of the values recorded by the datasonde in 15 minute intervals.

The median of all the values recorded by the datasonde in 15 minute intervals.

The average of all the values recorded by the datasonde in 15 minute intervals.

The standard deviation of all the values recorded by the datasonde in 15 minute intervals.

Analyte (units)

Sample 1 Sample 2 Sample 3 Sample 4

8/2/20167/26/2016

Note: Data gaps appear when the sonde is removed for calibration or when the flow depth is below the sensors

REPORT GENERATED ON 9/9/2016

Continuous Water Quality

Monitoring Periodic Report

Gills Creek B (July 21, 2016 -- August 23, 2016)

MINIMUM

OBSERVED

MAXIMUM

OBSERVED

MEDIAN

OBSERVED

MEAN

OBSERVED

STANDARD

DEVIATION

STREAM NAME: STAGE (FT): 3.0 7.9 3.2 3.5 0.8

LOCATION:

ADDRESS:

COORDINATES:

TMDL/IMPAIRMENT:

NEIGHBORING

LANDUSE:

APPROX. DRAINAGE

AREA:

SPATIAL LOCATION:

TOTAL NO. STORMS

OVER 0.1 INCH:

MAX. DAILY RAINFALL: 3.7 inches

TOTAL RAINFALL (FOR

PERIOD):7.0 inches

PARAMETER

CONTINUOUS

WATER QUALITY

PARAMETERS:

SUMMARY STATISTICS

TEMPERATURE (°F): 76 91 86 86 2

Gills Creek

DESCRIPTION

Devine Street bridge

4716 Devine Street

Columbia, SC 29209

33.989656, -80.97433

Fecal & Dissolved Oxygen

8

SPECIFIC

CONDUCTIVITY

(mS/cm):

DISSOLVED

OXYGEN (mg/L):

Residential and commercial

59 square miles

Middle site

0.1

TURBIDITY (NTU): 1 333 11 16 20

pH: 6.1 6.7 6.4 6.4

1.6

0.017 0.073 0.058 0.058 0.005

0.7 8.1 4.4 4.6

02468

10

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

mg/

L

Dissolved Oxygen 4 mg/L (SCDHEC Low Standard)

0

100

200

300

400

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

NTU

Turbidity

0.00.61.21.82.43.02

468

1012

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

Stag

e, f

t

Stage & Rainfall

75

85

95

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

°F

Water Temp

6.0

6.2

6.4

6.6

6.8

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

pH

pH

0.00

0.02

0.04

0.06

0.08

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

mS/

cm

Specific Conductivity

SCDHEC in-stream standard: Daily average not less than 5 mg/L with a low of 4 mg/L

Note: Data gaps appear when the sonde is removed for calibration or when the flow depth is below the sensors

REPORT GENERATED ON 9/9/2016

Continuous Water Quality

Monitoring Periodic Report

Gills Creek B (July 21, 2016 -- August 23, 2016)

Explanation of Statistics:

MINIMUM OBSERVED

MAXIMUM OBSERVED

MEDIAN OBSERVED

MEAN OBSERVED

STANDARD

DEVIATION

Sampled Data:

Time Results Time Results Time Results Time Results

Escherichia coli

(MPN/100mL)10:18 126 12:18 6,152

Total Suspended

Solids (mg/L)

Total Phosphorus

(mg/L)

Total Nitrogen

(mg/L)

Notes: Both samples collected at this site during this reporting period were collected during dry weather conditions.

The minimum of the values recorded by the datasonde in 15 minute intervals.

The maximum of the values recorded by the datasonde in 15 minute intervals.

The average of all the values recorded by the datasonde in 15 minute intervals.

The median of all the values recorded by the datasonde in 15 minute intervals.

The standard deviation of all the values recorded by the datasonde in 15 minute intervals.

Analyte (units)

Sample 1 Sample 2 Sample 3 Sample 4

8/2/20167/26/2016

Note: Data gaps appear when the sonde is removed for calibration or when the flow depth is below the sensors

REPORT GENERATED ON 9/9/2016

Continuous Water Quality

Monitoring Periodic Report

Gills Creek C (July 21, 2016 -- August 23, 2016)

MINIMUM

OBSERVED

MAXIMUM

OBSERVED

MEDIAN

OBSERVED

MEAN

OBSERVED

STANDARD

DEVIATION

STREAM NAME: STAGE (FT): 0.0 5.8 0.2 0.9 1.3

LOCATION:

ADDRESS:

COORDINATES:

TMDL/IMPAIRMENT:

NEIGHBORING

LANDUSE:

APPROX. DRAINAGE

AREA:

SPATIAL LOCATION:

TOTAL NO. STORMS

OVER 0.1 INCH:

MAX. DAILY RAINFALL: 2.21 inches

TOTAL RAINFALL (FOR

PERIOD):4.0 inches

33.948043, -80.9889

Fecal & Dissolved Oxygen

Residential and commercial

64 square miles

Most downstream site

PARAMETER

CONTINUOUS

WATER QUALITY

PARAMETERS:

SUMMARY STATISTICS

TEMPERATURE (°F): 78 86 82 82 1

Gills Creek

DESCRIPTION

Bluff Road bridge

3009 Bluff Rd.

Columbia, SC 29209

5

SPECIFIC

CONDUCTIVITY

(mS/cm):

0.1

TURBIDITY (NTU): 5 79 13 16 11

pH: 5.9 6.3 6.1 6.1

DISSOLVED

OXYGEN (mg/L):0.3

0.043 0.068 0.063 0.061 0.005

3.7 5.2 4.6 4.6

3

4

5

6

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

mg/

L

Dissolved Oxygen 4 mg/L (SCDHEC Low Standard)

020406080

100

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

NTU

Turbidity

0.00.51.01.52.02.50

2468

10

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

Stag

e, f

t

Stage & Rainfall

75

85

95

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

°F

Water Temp

5.65.86.06.26.46.6

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

pH

pH

0.04

0.05

0.06

0.07

0.08

7/21 7/23 7/25 7/27 7/29 7/31 8/2 8/4 8/6 8/8 8/10 8/12 8/14 8/16 8/18 8/20 8/22 8/24

mS/

cm

Specific Conductivity

SCDHEC in-stream standard: Daily average not less than 5 mg/L with a low of 4 mg/L

Note: Data gaps appear when the sonde is removed for calibration or when the flow depth is below the sensors

REPORT GENERATED ON 9/9/2016

Continuous Water Quality

Monitoring Periodic Report

Gills Creek C (July 21, 2016 -- August 23, 2016)

Explanation of Statistics:

MINIMUM OBSERVED

MAXIMUM

OBSERVED

MEDIAN OBSERVED

MEAN OBSERVED

STANDARD

DEVIATION

Sampled Data:

Time Results Time Results Time Results Time Results

Escherichia coli

(MPN/100mL)11:53 7,746

Total Suspended

Solids (mg/L)

Total Phosphorus

(mg/L)

Total Nitrogen

(mg/L)

Notes: The sample collected at this site during this reporting period was collected during dry weather conditions.

Analyte (units)

The minimum of the values recorded by the datasonde in 15 minute intervals.

The maximum of the values recorded by the datasonde in 15 minute intervals.

The median of all the values recorded by the datasonde in 15 minute intervals.

The average of all the values recorded by the datasonde in 15 minute intervals.

The standard deviation of all the values recorded by the datasonde in 15 minute intervals.

8/2/2016

Sample 4Sample 3Sample 2Sample 1

Note: Data gaps appear when the sonde is removed for calibration or when the flow depth is below the sensors

REPORT GENERATED ON 9/9/2016