2020-06-08_PERMIT FILE - C1994082 ‎(2)‎

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 6/8/2020
• Doc Name Note: Tab G - Attachment G Sediment and Hydrology Supporting Data
• Doc Name: Initial Application Materials
• From: Seneca Property, LLC
• To: DRMS
• Section_Exhibit Name: Tab G Attachment G
• Email Name: RAR
• Media Type: D
• Archive: No

Table 1.Surface water quality data at Grassy Creek YSGF5 for the period of lanuary 1,2014-December 31,2018
Flow pH Temp. SPC Ammonia_N Arsenic Boron Cadmium Chromium Copper Iron Iron Lead Manganese Mercury Nickel Nitrate_N Nitrite_N Selenium
Location Date N Field Field Field N TR D D D D TR D D D T D N N D
GPM S.U. C UMHOS/CM MG/L UG/L UG/L UG/L UG/L UG/L MG/L MG/L UG/L MG/L UG/L UG/L MG/L MG/L UG/L
YSGF5 4 8 2014 109.44 8.31 14 1.23 <0.05 1.7 70 <0.1 <0.5 0.6 4.63 0.55 <0.1 0.01 <0.2 <8 <0.02 <0.01 0.9
YSGF5 6 18 2014 318.4 8.31 9.5 1.17 <0.05 1 80 <0.1 <0.5 <0.5 0.93 <0.1 0.13 <0.2 <8 0.07 <0.01 0.4
YSGF5 9 12 2014 91.96 8.19 16.6 1.18 <0.05 1.4 100 <0.1 <0.5 <0.5 1.21 <0.1 0.03 <0.2 <8 0.3 <0.01 0.2
YSGF5 3 13 2015 171 7.73 4.9 1260 0.74 <0.02
YSGF5 4 23 2015 288.99 8.15 14.1 1170 <0.05 0.7 70 <0.1 <0.5 <0.5 0.82 0.48 <0.1 0.05 <0.2 <8 <0.02 <0.01 0.5
YSGF5 DUP 4 23 2015 288.99 8.15 14.1 1170 0.93
YSGF5 1 6 15 2015 420.8 8.15 1 21.8 1390 1 <0.05 1.8 1 90 <0.1 <0.5 <0.5 1 2.76 0.1 1 <0.1 0.08 1 <0.2 <8 1 0.03 1 <0.01 0.4
YSGF5 DUP 6 15 2015 420.8 8.15 21.8 1390 1.86
YSGF5 9 14 2015 33.1 8.2 12.5 1540 <0.05 1.3 90 <0.1 <0.5 <0.5 0.9 <0.1 0.13 <0.2 <8 <0.02 <0.01 <0.1
YSGF5 4 20 2016 921 7.86 10.3 1110 <0.05 1.46 0.07* <0.2 0.14 <0.01 0.9
YSGF5 6 21 2016 385.8 7.61 24.5 1010 <0.05 2.33 0.04* <0.2 0.1 <0.01 0.5
YSGF5 9 6 2016 18.4 8.21 18.7 1326 <0.05 0.82 0.04* <0.2 <0.02 <0.01 0.2
YSGF5 4 5 2017 228.51 8.46 3.1 1416 <0.05 2.64 0.05 0.11* <0.2 0.09 <0.01 0.6
YSGF5 6 13 2017 103.1 8.19 10.2 1397 <0.05 1.01 0.06* <0.2 <0.02 <0.01 0.3
YSGF5 9 13 2017 1.3 7.72 18.2 3360 <0.05 2.48 0.05* <0.2 <0.02 '0.01 0.4
YSGF5 1 4 24 2018 1 346.6 1 8.58 1 10.4 1 1234 1 <0.05 1 1 1 1 1 0.52 1 0.03 1 0.05* <0.2 1 0.03 <0.01 0.8
YSGF5 6 5 2018 155.3 8.16 14.3 1386 <0.05 0.49 0.05* <0.2 <0.02 <0.01 0.3
YSGF5 7 30 2018 1.9 8.35 18.2 1586 1.59 0.03
YSGF5 9/11/2018 0.7 8.58 10 1691 <0.05 9.09 0.0281 <0.2 <0.02 <0.01 0.2
Yampa Segment 13i Standards-Acute 6.5-9.0 0.5g340 750 9.2 1773 50 281 4.738 0.01 1513 100 0.05 18.4
Yampa Segment 131 Standards-Chronic 1.2 231 29 TM*** 11 2.618 168 TM***Agricultural Use Standards 750 10 100 200 100 0.2** 200 100 10 20
Alk.as Sodium Cation/
Silver Sulfide Zinc CaCO3,@ HHCO3 CO3 as CO3 as Calcium Chloride SpC,Lab Hardness Magnesium Potassium Sodium Adsorption Sulfates TSS Anion TDS(Calc) TDS
Location Date PH 4.5 C0 Ratio Balance
D N D N N N D N N N D D D N N N N
UG/L MG/L MG/L MG/L MG/L MG/L MG/L MG/L UMHOS/C MG/L MG/L MG/L MG/L RATIO MG/L MG/L % MG/L MG/L
YSGF5 4 8 2014 <0.05 <0.02 <0.01 178 209 120 4 10 1110 554 61.7 4.5 28 0.52 118 118 <-4 749 820
YSGF5 6 18 2014 <0.05 <0.02 <0.01 241 277 139 9 6.9 1280 638 70.7 4.7 29.2 0.51 458 26 <-1.4 856 950
YSGF5 9 12 2014 <0.05 <0.02 <0.01 345 389 150 15.9 8.1 1300 697 78.4 6.8 34.6 0.58 427 39 <0 917 980
YSGF5 3 13 2015 10 962
YSGF5 4 23 2015 <0.05 <0.02 1 <0.01 272 1 306 151 1 12.7 7 1 1320 687 1 75.3 5.3 1 30.2 0.51 503 1 23 <-3.2 1 938 982
YSGF5 DUP 4 23 2015 27 982
YSGF5 6 15 2015 <0.05 <0.02 <0.01 297 323 149 19.4 6.8 1230 683 75.6 6.2 28.3 0.48 475 66 <-3.2 922 980
YSGF5 DUP 6 15 2015 60 956
YSGF5 9 14 2015 <0.05 <0.02 <0.01 357 391 176 21.9 8.6 1370 822 92.8 6.5 36.1 0.55 567 24 <-2.7 1100 1090
YSGF5 4 20 2016 <0.02 373 20 736
YSGF5 6 21 2016 <0.02 354 113 834
YSGF5 9 6 2016 <0.02 464 19 986
YSGF5 4 5 2017 <0.02 149 698 79.1 405 103 998
YSGF5 6 13 2017 <0.02 460 14 1070
YSGF5 9 13 2017 <0.02 1 1 1 508 1 65 1 1080
YSGF5 4 24 2018 <0.02 421 18 916
YSGF5 6 5 2018 <0.02 499 15 1030
YSGF5 7 30 2018 93 1170
YSGF5 9/11/2018 <0.02 397 495 1270
Yampa Segment 13i Standards-Acute 22 0.002 0.565
Yampa Segment 131 Standards-Chronic 3.5 0.428
Agricultural Use Standards 2
Notes
*Analyte analyzed for potentially dissolved fraction
**The manganese agricultural use standard is only applicable for areas with acidic soils.
***A current conditions temporary modification is in place for the Segment 13i chronic iron and selenium standards.
Bold Analyte exceeds the Yampa Segment 13i or Agricultural Use Standards