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Station Info: IR1503

 
Station ID Year Jurisdiction Watershed Location Description     Latitude         Longitude    
IR1503 2015 Irving Cottonwood Branch-Hackberry Creek Cottonwood Creek at Highway 114 32.876944 -96.946667

Sampled Events

1st Quarter:
Storm
Summary
Storm
Start
Storm
End
Description Rainfall
Station
Rainfall
Total (in)
Peak
Rate (in)
Antecedent Dry
Period (hrs)
1/1/2015 5:45:00 AM 1/1/2015 12:40:00 PM Light to moderate rain moving southwest to northeast IR1503 0.38 0.16 213
Collection
Info
Flow
Start
Flow
End
1st Aliquot
Collected
Last Aliquot
Collected
# Aliquots
Collected
Peak
Depth (ft)
Avg
Depth (ft)
Sample
Volume (gal)
Ambient Air
Temp (°F)
Water
Temp (°F)
Sample
Comments
1/1/2015 6:40:00 AM 1/1/2015 7:55:00 PM 1/1/2015 7:45:00 AM 1/1/2015 9:51:00 AM 6 1.972 0.871 3.5 30 43.2 Rainfall observed after 1300 to be considered separate storm event
Composite TDS
(mg/L)
TSS
(mg/L)
BOD
(mg/L)
COD
(mg/L)
Nitrogen
Total (mg/L)
Phosphorus
Dissolved (mg/L)
Phosphorus
Total (mg/L)
Carbaryl
Total (mg/L)
Arsenic
Total (mg/L)
Chromium
Total (mg/L)
Copper
Total (mg/L)
Lead
Total (mg/L)
Zinc
Total (mg/L)
Diazinon Cadmium
368 24 <1 U <1 U 1.06 0.04 0.07 <0.062 U <0.002 U 0.003 J 0.027 <0.004 U 0.013 ** **
Grab Oil & Grease
(mg/L)
pH Lab
(su)
pH Field
(su)
E.Coli
(col/100mL)
Total Coliform
(col/100mL)
Specific Conductivity
(uS/cm)
  PDF icon  Download Lab Report
<1.4 U 8.6 4 750 720

2nd Quarter:
Storm
Summary
Storm
Start
Storm
End
Description Rainfall
Station
Rainfall
Total (in)
Peak
Rate (in)
Antecedent Dry
Period (hrs)
4/1/2015 7:25:00 AM 4/1/2015 9:10:00 AM Light to moderate rain moving southwest to northeast. IR1503 0.12 0.1 277
Collection
Info
Flow
Start
Flow
End
1st Aliquot
Collected
Last Aliquot
Collected
# Aliquots
Collected
Peak
Depth (ft)
Avg
Depth (ft)
Sample
Volume (gal)
Ambient Air
Temp (°F)
Water
Temp (°F)
Sample
Comments
4/1/2015 11:05:00 AM 4/2/2015 5:20:00 AM 4/1/2015 11:17:00 AM 4/1/2015 1:24:00 PM 6 0.5 0.1 3.5 75 73.6
Composite TDS
(mg/L)
TSS
(mg/L)
BOD
(mg/L)
COD
(mg/L)
Nitrogen
Total (mg/L)
Phosphorus
Dissolved (mg/L)
Phosphorus
Total (mg/L)
Carbaryl
Total (mg/L)
Arsenic
Total (mg/L)
Chromium
Total (mg/L)
Copper
Total (mg/L)
Lead
Total (mg/L)
Zinc
Total (mg/L)
Diazinon Cadmium
594 28.67 12.2 9 4.44 J 0.07 0.23 <0.06 U <0.002 U 0.003 J 0.029 <0.004 U 0.032 ** **
Grab Oil & Grease
(mg/L)
pH Lab
(su)
pH Field
(su)
E.Coli
(col/100mL)
Total Coliform
(col/100mL)
Specific Conductivity
(uS/cm)
  PDF icon  Download Lab Report
1.5 J 9.3 5200 15000 674

3rd Quarter:
Storm
Summary
Storm
Start
Storm
End
Description Rainfall
Station
Rainfall
Total (in)
Peak
Rate (in)
Antecedent Dry
Period (hrs)
7/8/2015 1:05:00 PM 7/8/2015 1:45:00 PM Heavy rain moving southwest to northeast. IR1503 0.32 0.32 272
Collection
Info
Flow
Start
Flow
End
1st Aliquot
Collected
Last Aliquot
Collected
# Aliquots
Collected
Peak
Depth (ft)
Avg
Depth (ft)
Sample
Volume (gal)
Ambient Air
Temp (°F)
Water
Temp (°F)
Sample
Comments
7/8/2015 1:25:00 PM 7/8/2015 7:50:00 PM 7/8/2015 2:52:00 PM 7/8/2015 4:57:00 PM 6 1.857 0.989 3.5 80 83.8
Composite TDS
(mg/L)
TSS
(mg/L)
BOD
(mg/L)
COD
(mg/L)
Nitrogen
Total (mg/L)
Phosphorus
Dissolved (mg/L)
Phosphorus
Total (mg/L)
Carbaryl
Total (mg/L)
Arsenic
Total (mg/L)
Chromium
Total (mg/L)
Copper
Total (mg/L)
Lead
Total (mg/L)
Zinc
Total (mg/L)
Diazinon Cadmium
232 35.33 12 21 3.11 0.06 0.03 J <0.06 U <0.002 U <0.003 U 0.014 J <0.004 U 0.039 ** **
Grab Oil & Grease
(mg/L)
pH Lab
(su)
pH Field
(su)
E.Coli
(col/100mL)
Total Coliform
(col/100mL)
Specific Conductivity
(uS/cm)
  PDF icon  Download Lab Report
<1.4 U 8.9 5800 11000 423

4th Quarter:
Storm
Summary
Storm
Start
Storm
End
Description Rainfall
Station
Rainfall
Total (in)
Peak
Rate (in)
Antecedent Dry
Period (hrs)
10/22/2015 4:25:00 PM 10/22/2015 11:00:00 PM Heavy rain moving southwest to northeast. IR1503 1.31 0.56 815
Collection
Info
Flow
Start
Flow
End
1st Aliquot
Collected
Last Aliquot
Collected
# Aliquots
Collected
Peak
Depth (ft)
Avg
Depth (ft)
Sample
Volume (gal)
Ambient Air
Temp (°F)
Water
Temp (°F)
Sample
Comments
10/22/2015 5:15:00 PM 10/23/2015 12:30:00 AM 10/22/2015 5:27:00 PM 10/22/2015 7:32:00 PM 6 3.4 1.9 3.5 67 71.5
Composite TDS
(mg/L)
TSS
(mg/L)
BOD
(mg/L)
COD
(mg/L)
Nitrogen
Total (mg/L)
Phosphorus
Dissolved (mg/L)
Phosphorus
Total (mg/L)
Carbaryl
Total (mg/L)
Arsenic
Total (mg/L)
Chromium
Total (mg/L)
Copper
Total (mg/L)
Lead
Total (mg/L)
Zinc
Total (mg/L)
Diazinon Cadmium
288 15 2.19 31 2.44 0.03 0.04 J <0.06 U 0.002 J <0.003 U 0.003 J <0.004 U 0.003 J ** **
Grab Oil & Grease
(mg/L)
pH Lab
(su)
pH Field
(su)
E.Coli
(col/100mL)
Total Coliform
(col/100mL)
Specific Conductivity
(uS/cm)
  PDF icon  Download Lab Report
<1.4 U 8.8 1300 32000 477

Station Averages

Station TDS TSS BOD COD Nitrogen Phosphorus
(Dissolved)
Phosphorus
(Total)
Carbaryl Arsenic Chromium Copper Lead Zinc Diazinon Cadmium Oil &
Grease
E.
Coli
Coliform
(Total)
pH
Lab
pH
Field
Specific Conductivity
IR1501 295.5 275.9 12.7 26.4 5.038 0.1625 0.242 0.0301 0.002 0.003 0.0201 0.003 0.03 4.68 1905 14948 8.49 432
IR1502 328 42.9 9.8 18.4 3 0.085 0.128 0.0301 0.001 0.003 0.0113 0.002 0.0213 3.4 518 7113 8.27 555
IR1503 370.5 25.8 6.7 15.4 2.763 0.05 0.093 0.0303 0.001 0.002 0.0183 0.002 0.0218 0.9 629 7933 8.83 573.5

Key:
< or > - Amount detected is above or below equipment detection limit A - Approximate end time of flow due to power failure A-01 - >400000
B-02 - BOD result calculated from COD analysis D-1 - Elevated reporting limit(s) due to dilution. This has no effect on the data. Sample result is considered valid. DET - Analyte Detected
DRY – Sample results reported on a dry weight basis E - End time of flow due to equipment removal from site IS - Insufficient Sediment within Sample
J - Detected but below the reporting limit N/A - Data not available at this time ND - Analyte not detected at or above the reporting limit
NR - Not Reported NST – No Sample Taken U - Undetected
W-05 - Highest possible dilutions were made by the laboratory Qual – Qualifiers Q-5 - Seed correction outside desired limits. This has no effect on the data. Sample result is considered valid.
Q11 - Insufficient sample for analysis of matrix spike. This has no effect on the data. Sample result is considered valid. RPD - Relative Percent Difference S-1 - Laboratory container pH was above desired amount. This has no effect on the data. Sample result is considered valid.
TNTC - Too numerous to count U – Undetected W-05 - Highest possible dilutions were made by the laboratory
     
BOD - Biochemical Oxygen Demand BRL - Below Reading Limit COD - Chemical Oxygen Demand
TDS - Total Dissolved Solids TSS - Total Suspended Solids by EPA 160.2 PC - Sample results suspect due to post-calibration results
**This data was only collected in the second permit term. ***This data is only being collected in the third permit term.  


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