10_Appendices1D_Ambient

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Appendix 1D
Ambient Monitoring Station Data Summary Sheets
The full report is available on the DWQ Environmental Sciences Section website:
http://portal.ncdenr.org/web/wq/ess/reports
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Ambient Monitoring System Station NCDENR, Division of Water Quality Basinwide Assessment
Location: LITTLE TENNESSEE RIV AT SR 1651 NR PRENTISS
Station #: G0035000 Hydrologic Unit Code: 06010202
Latitude: 35.12215 Longitude: -83.37432 Stream class: C
Agency: NCAMBNT NC stream index: 2-(1)
Time period: 01/17/2006 to 12/15/2010
# # Results not meeting EL Percentiles results ND EL # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) 47 0 <4 0 0 7.6 7.8 8.4 9.8 10.8 11.7 12.9 47 0 <5 0 0 7.6 7. 8.4 9.8 10.8 11.7 12.9 8 pH (SU) 51 0 <6 4 7. 5.4 6 6.3 6.6 6.7 6.9 7.2 8 51 0 >9 0 0 5.4 6 6.3 6.6 6.7 6.9 7.2 Spec. conductance 50 0 N/A 15 21 22 26 29 72 116 (umhos/cm at 25°C) Water Temperature (°C) 52 0 >29 0 0 0.1 6.3 9 13.7 20 22.8 24
Other Hardness (m ) 4 0 N/A 6 6 6 7 10 11 11 g/L TSS (mg/L) 20 4 N/A 2.5 3.3 6.2 8.9 15 22.3 41 Turbidity (NTU) 53 0 >50 1 1.9 1.3 2.5 3.8 6.8 12 30.4 120
Nutrients (mg/L) NH3 as N 7 7 N/A 0.02 0.02 0.02 0.02 0.02 0.02 0.02 NO2 + NO 7 0 N/A 0.1 0.1 0.1 0.12 0.13 0.19 0.19 3 as N TKN as N 7 7 N/A 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Total Phosphorus 7 1 N/A 0.02 0.02 0.02 0.02 0.03 0.04 0.04
Metals (ug/L) Aluminum, total (Al) 6 0 N/A 17 17 21 50 69 77 770 0 0 5 0 5 0 Arsenic, total (As) 6 6 >10 0 0 5 5 5 5 5 5 5 Cadmium, total (Cd) 6 6 >2 0 0 1 1 1 2 2 2 2 Chromium, total (Cr) 6 6 >50 0 0 10 10 10 25 25 25 25 Copper, total ( u) 6 6 >7 0 0 2 2 2 2 2 2 2 C Iron, total (Fe) 6 0 >100 0 0 260 260 268 500 675 690 690 0 Lead, total (Pb) 6 6 >25 0 0 10 10 10 10 10 10 10 Mercury, total (Hg) 4 4 >0.01 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 Nickel, total (N ) 6 6 >88 0 0 10 10 10 10 10 10 10 i Zinc, total (Zn) 6 5 >50 0 0 10 10 10 10 11 13 13
Fecal Coliform Screening(#/100mL) # results: Geomean # > 400: % > 400: %Conf: 53 104.6 9 17
Key:
# result: number of observations
# ND: number of observations reported to be below detection level (non-detect)
EL: Evaluation Level; applicable numeric or narrative water quality standard or action level
Results not meeting EL: number and percentages of observations not meeting evaluation level
%Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform)
Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station NCDENR, Division of Water Quality Basinwide Assessment
Location: LITTLE TENNESSEE RIV AT NC 28 AT IOTLA
Station #: G2000000 Hydrologic Unit Code: 06010202
Latitude: 35.23490 Longitude: -83.39579 Stream class: B
Agency: NCAMBNT NC stream index: 2-(26.5)
Time period: 01/17/2006 to 12/15/2010
# # Results not meeting EL Percentiles results ND EL # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) 47 0 <4 0 0 7.2 7.6 8.5 9.9 11.2 12.1 12.9 47 0 <5 0 0 7. 7. 8.5 9.9 11. 12.1 12.9 2 6 2 pH (SU) 52 0 <6 3 5. 5 6 6.3 6.6 7 7.2 7.5 8 52 0 >9 0 0 5 6 6.3 6.6 7 7.2 7.5 Spec. conductance 49 0 N/A 24 26 28 34 38 45 49 (umhos/cm at 25°C) Water Temperature (°C) 52 0 >29 0 0 0.9 6.1 9.4 14.6 21.2 24.8 26.4
Other Hardness (m ) 4 0 N/A 8 8 8 11 14 14 14 g/L TSS (mg/L) 19 6 N/A 4 4.8 6.2 7.3 12 27 37 Turbidity (NTU) 53 0 >50 3 5.7 1.9 3.1 4.1 7.1 13.5 29.6 100
Nutrients (mg/L) NH3 as N 53 38 N/A 0.02 0.02 0.02 0.02 0.02 0.02 0.05 NO2 + NO 53 0 N/A 0.03 0.09 0.12 0.15 0.18 0.21 0.26 3 as N TKN as N 51 36 N/A 0.2 0.2 0.2 0.2 0.2 0.26 0.49 Total Phosphorus 53 6 N/A 0.02 0.02 0.02 0.03 0.05 0.08 0.16
Metals (ug/L) Aluminum, total (Al) 6 0 N/A 21 21 24 36 43 46 460 0 0 0 0 0 0 Arsenic, total (As) 6 6 >10 0 0 5 5 5 5 5 5 5 Cadmium, total (Cd) 6 6 >2 0 0 1 1 1 2 2 2 2 Chromium, total (Cr) 6 6 >50 0 0 10 10 10 25 25 25 25 Copper, total ( u) 6 6 >7 0 0 2 2 2 2 2 2 2 C Iron, total (Fe) 6 0 >100 0 0 320 320 388 495 622 690 690 0 Lead, total (Pb) 6 6 >25 0 0 10 10 10 10 10 10 10 Mercury, total (Hg) 4 4 >0.01 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 Nickel, total (N ) 6 6 >88 0 0 10 10 10 10 10 10 10 i Zinc, total (Zn) 6 3 >50 0 0 10 10 10 11 14 15 15
Fecal Coliform Screening(#/100mL) # results: Geomean # > 400: % > 400: %Conf: 53 63.2 7 13.2
Key:
# result: number of observations
# ND: number of observations reported to be below detection level (non-detect)
EL: Evaluation Level; applicable numeric or narrative water quality standard or action level
Results not meeting EL: number and percentages of observations not meeting evaluation level
%Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform)
Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station NCDENR, Division of Water Quality Basinwide Assessment
Location: NANTAHALA RIV AT US 64 NR RAINBOW SPRINGS
Station #: G3500000 Hydrologic Unit Code: 06010202
Latitude: 35.09422 Longitude: -83.55992 Stream class: B Tr ORW
Agency: NCAMBNT NC stream index: 2-57-(0.5)
Time period: 01/17/2006 to 12/15/2010
# # Results not meeting EL Percentiles results ND EL # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (m L) 47 0 <6 0 0 7.7 8.2 8.7 10 10.9 11. 12.9 g/5 pH (SU) 51 0 <6 5 9. 5.4 5.8 6.2 6.5 6.6 7 7.2 8 51 0 >9 0 0 5.4 5.8 6.2 6.5 6.6 7 7.2 Spec. conductance 49 0 N/A 11 11 12 14 15 16 17 (umhos/cm at 25°C) Water Temperature (°C) 52 0 >29 0 0 0 4.4 7 11.5 16.1 18.8 20.1
Other Hardness (m ) 4 0 N/A 4 4 4 5 6 6 6 g/L TSS (mg/L) 21 17 N/A 2. 2. 2. 6.2 6.2 16 19 5 5 8 Turbidity (NTU) 53 15 >10 1 1.9 1 1 1 1.4 2.6 5.9 11
Nutrients (mg/L) NH3 as N 53 50 N/A 0.02 0.02 0.02 0.02 0.02 0.02 0.13 NO2 + NO 53 13 N/A 0.02 0.02 0.02 0.03 0.04 0.07 0.5 3 as N TKN as N 51 46 N/A 0.2 0.2 0.2 0.2 0.2 0.25 0.42 Total Phosphorus 53 38 N/A 0.02 0.02 0.02 0.02 0.02 0.03 0.1
Metals (ug/L) Aluminum, total (Al) 6 2 N/A 50 50 50 58 97 12 120 0 Arsenic, total (As) 6 6 >10 0 0 5 5 5 5 5 5 5 Cadmium, total (Cd) 6 6 >0.4 0 0 1 1 1 2 2 2 2 Chromium, total (Cr) 6 6 >50 0 0 10 10 10 25 25 25 25 Copper, total ( u) 6 6 >7 0 0 2 2 2 2 2 2 2 C Iron, total (Fe) 6 1 >100 0 0 50 50 59 76 152 160 160 0 Lead, total (Pb) 6 6 >25 0 0 10 10 10 10 10 10 10 Mercury, total (Hg) 4 4 >0.01 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 Nickel, total (N ) 6 6 >88 0 0 10 10 10 10 10 10 10 i Zinc, total (Zn) 6 4 >50 0 0 10 10 10 10 17 33 33
Fecal Coliform Screening(#/100mL) # results: Geomean # > 400: % > 400: %Conf: 53 9.4 2 3.8
Key:
# result: number of observations
# ND: number of observations reported to be below detection level (non-detect)
EL: Evaluation Level; applicable numeric or narrative water quality standard or action level
Results not meeting EL: number and percentages of observations not meeting evaluation level
%Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station NCDENR, Division of Water Quality Basinwide Assessment
Location: TUCKASEGEE RIV AT SR 1364 AT BRYSON CITY
Station #: G8600000 Hydrologic Unit Code: 06010203
Latitude: 35.42835 Longitude: -83.44595 Stream class: B
Agency: NCAMBNT NC stream index: 2-79-(40.5)
Time period: 01/17/2006 to 11/17/2010
# # Results not meeting EL Percentiles results ND EL # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (mg/L) 42 0 <4 0 0 7.3 8.2 9 10.4 11.4 12.4 13.8 42 0 <5 0 0 7.3 8.2 9 10. 11.4 12.4 13.8 4 pH (SU) 48 0 <6 4 8.3 5.6 6.2 6.4 7 7.9 8.5 9.1 48 0 >9 1 2.1 5.6 6.2 6.4 7 7.9 8.5 9.1 Spec. conductance 48 0 N/A 10 21 22 25 30 32 74 (umhos/cm at 25°C) Water Temperature (°C) 48 0 >29 0 0 3.2 6.8 9.8 14.6 21.3 23.6 27.1
Other Hardness (m ) 5 0 N/A 6 6 7 9 11 12 12 g/L TSS (mg/L) 21 10 N/A 3.5 5 6. 7.8 18 40.4 71 2 Turbidity (NTU) 50 0 >50 0 0 1.1 1.8 3 4.2 7.2 13.9 40
Nutrients (mg/L) NH3 as N 47 44 N/A 0.02 0.02 0.02 0.02 0.02 0.02 0.02 NO2 + NO 47 0 N/A 0.05 0.09 0.11 0.15 0.18 0.22 0.33 3 as N TKN as N 45 37 N/A 0.2 0.2 0.2 0.2 0.2 0.26 0.35 Total Phosphorus 47 3 N/A 0.02 0.02 0.02 0.03 0.05 0.08 0.15
Metals (ug/L) Aluminum, total (Al) 6 0 N/A 14 14 16 27 1322 2500 2500 0 0 2 5 Arsenic, total (As) 6 6 >10 0 0 5 5 5 5 5 5 5 Cadmium, total (Cd) 6 6 >2 0 0 1 1 1 2 2 2 2 Chromium, total (Cr) 6 6 >50 0 0 10 10 10 25 25 25 25 Copper, total ( u) 6 5 >7 0 0 2 2 2 2 2 2 2 C Iron, total (Fe) 6 0 >100 2 33. 180 180 240 410 165 330 3300 0 3 0 0 Lead, total (Pb) 6 6 >25 0 0 10 10 10 10 10 10 10 Mercury, total (Hg) 4 4 >0.01 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 Nickel, total (N ) 6 6 >88 0 0 10 10 10 10 10 10 10 i Zinc, total (Zn) 6 2 >50 0 0 10 10 10 13 19 22 22
Fecal Coliform Screening(#/100mL) # results: Geomean # > 400: % > 400: %Conf: 50 44.2 3 6
Key:
# result: number of observations
# ND: number of observations reported to be below detection level (non-detect)
EL: Evaluation Level; applicable numeric or narrative water quality standard or action level
Results not meeting EL: number and percentages of observations not meeting evaluation level
%Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform)
Stations with less than 10 results for a given parameter were not evaluated for statistical confidence
Ambient Monitoring System Station NCDENR, Division of Water Quality Basinwide Assessment
Location: CHEOAH RIV AT SR 1138 AT ROBBINSVILLE
Station #: G9550000 Hydrologic Unit Code: 06010204
Latitude: 35.32910 Longitude: -83.80976 Stream class: C Tr
Agency: NCAMBNT NC stream index: 2-190-(3.5)
Time period: 01/17/2006 to 11/17/2010
# # Results not meeting EL Percentiles results ND EL # % %Conf Min 10th 25th 50th 75th 90th Max
Field D.O. (m L) 41 0 <6 0 0 7.1 7.9 8.4 9.5 10.6 12.1 12.7 g/ pH (SU) 44 0 <6 2 4. 5.7 6.1 6.4 6.7 6.9 7.1 7.4 5 44 0 >9 0 0 5.7 6.1 6.4 6.7 6.9 7.1 7.4 Spec. conductance 45 0 N/A 14 27 30 34 41 43 47 (umhos/cm at 25°C) Water Temperature (°C) 45 0 >29 0 0 5 6.9 11.2 15 19.4 22.9 24.7
Other Hardness (m ) 4 0 N/A 9 9 9 12 14 14 14 g/L TSS (mg/L) 19 10 N/A 2. 2.5 6.2 6.2 13 32 97 5 Turbidity (NTU) 47 1 >10 5 10.6 67.1 1 1.2 1.9 3.2 4.6 12 60
Nutrients (mg/L) NH3 as N 45 42 N/A 0.02 0.02 0.02 0.02 0.02 0.02 0.03 NO2 + NO 45 0 N/A 0.02 0.08 0.12 0.14 0.18 0.24 0.32 3 as N TKN as N 44 39 N/A 0.2 0.2 0.2 0.2 0.2 0.22 0.3 Total Phosphorus 45 16 N/A 0.02 0.02 0.02 0.02 0.03 0.05 0.12
Metals (ug/L) Aluminum, total (Al) 6 0 N/A 73 73 74 13 1182 2900 2900 5 Arsenic, total (As) 6 6 >10 0 0 5 5 5 5 5 5 5 Cadmium, total (Cd) 6 6 >0.4 0 0 1 1 1 2 2 2 2 Chromium, total (Cr) 6 6 >50 0 0 10 10 10 25 25 25 25 Copper, total ( u) 6 5 >7 0 0 2 2 2 2 3 5 5 C Iron, total (Fe) 6 0 >100 1 16. 130 130 182 265 140 350 3500 0 7 8 0 Lead, total (Pb) 6 6 >25 0 0 10 10 10 10 10 10 10 Mercury, total (Hg) 4 4 >0.01 0 0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2 Nickel, total (N ) 6 6 >88 0 0 10 10 10 10 10 10 10 i Zinc, total (Zn) 6 2 >50 0 0 10 10 10 11 16 28 28
Fecal Coliform Screening(#/100mL) # results: Geomean # > 400: % > 400: %Conf: 47 103.5 7 14.9
Key:
# result: number of observations
# ND: number of observations reported to be below detection level (non-detect)
EL: Evaluation Level; applicable numeric or narrative water quality standard or action level
Results not meeting EL: number and percentages of observations not meeting evaluation level
%Conf : States the percent statistical confidence that the actual percentage of exceedances is at least 10% (20% for Fecal Coliform) Stations with less than 10 results for a given parameter were not evaluated for statistical confidence