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 4.Surface water quality data at Sage Creek YSS2 for the period of January 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 M UG/L MG/L UG/L UG/L MG/L MG/L UG/L
YSS2 4 9 2014 1006.36 8.17 2.4 1.33 <0.05 1 70 <0.1 <0.5 0.7 1.92 0.29 <0.1 0.1 <0.2 <8 0.95 <0.01 1.8
Y552 7 17 2014 475 7.94 17.6 2.05 <0.05 1.6 240 <0.1 <0.5 <0.5 1.69 <0.1 0.32 <0.2 <8 0.15 <0.01 0.4
YSS2 9 12 2014 42.75 7.83 8.3 2.47 <0.05 1.3 240 <0.2 <1 <1 0.89 <0.2 0.21 <0.2 <8 0.14 <0.01 0.5
YSS2 4 27 2015 437.76 8.39 11.4 1160 0.11 0.5 80 <0.1 -0.5 <0.5 0.41 <0.1 0.08 <0.2 <8 0.06 <0.01 0.6
YSS2 7 6 2015 377 7.96 14.9 1760 <0.05 1.2 140 <0.1 <0.5 <0.5 0.85 <0.1 0.03 <0.2 <8 0.07 <0.01 0.4
YSS2 9 14 2015 63.5 8.12 13.8 3100 <0.05 1.3 230 <0.2 <1 <1 0.63 <0.2 0.08 <0.2 <20 0.12 <0.01 0.7
YSS2 4 21 2016 3145 7.45 9 1100 <0.05 0.81 0.05* <0.2 0.48 <0.01 1.3
YSS2 6 21 2016 806 7.97 20.3 1450 <0.05 0.54 0.03* <0.2 0.17 <0.01 0.9
YSS2 9 6 2016 69.1 7.85 16.5 3200 0.48 0.04* 0.8
YSS2 4 5 2017 638.82 8.54 5.9 1552 <0.05 0.3 0.02* <0.2 0.09 <0.01 0.8
YSS2 6 13 2017 610.4 8.43 11.5 1395 <0.05 0.72 0.02* <0.2 0.04 <0.01 0.4
YSS2 9 13 2017 5.6 8.16 17.5 3230 0.47 0.09* 0.7
YSS2 4 23 2018 1763.8 8.5 13.1 1090 <0.05 0.43 0.01* <0.2 0.09 <0.01 0.7
YSS2 6 5 2018 662.7 8.27 13.9 1575 <0.05 0.76 0.13* <0.2 0.07 <0.01 0.5
YSS2 9112018 30.5 8.44 11.8 3443 0.48 0.05 0.5
Yam a Se ment 13e Standards-Acute 6.5-9.0 0.05 340 750 9.2 1773 50 281 4.738 0.01 1513 100 0.05 18.4
Yam a Se ment 13e Standards-Chronic 6.5-9.0 100 1.2 231 29 1.25 11 2.618 168 TM***
A ricultuml Use Standards 100 750 10 1 100 1 200 100 0.2** 200 100 10 20
Alk.as HCO3 as CO3 as Sodium Cation/ TDS
Silver Sulfide Zinc CaCO3,®pN HCO3 CO3 Calcium Chloride SpC,Lab Hardness Magnesium Potassium Sodium Adsorption Sulfates TSS Anion (Calc) TDS
Location Date 4.5
D N D N N N D N N N D D D �o N N Balance N N
UG/L MG/L MG/L MG/L MG/L MG/L MG/L MG/L UMHOS/CM MG/L MG/L MG/L MG/L RATIO MG/L MG/L M0 MG/L MG/L
1-2 4/9/2 14 <0.05 <0.02 0.05 174 212 <2 102 6.5 1240 615 87.6 3.9 37.8 0.67 504 32 <0 851 900
YSS2 7 17 2014 <0.05 <0.02 <0.01 426 506 7 222 12.6 2320 1410 207 7.6 77.7 0.91 1000 44 3.2 1790 1970
YSS2 9 12 2014 <0.1 <0.02 <0.01 445 541 <2 247 13.3 2740 1670 256 8.6 95.7 1 1270 14 2.7 2160 2440
YSS2 4 27 2015 <0.05 <0.02 <0.01 297 349 6.5 114 5.3 1250 641 86.5 3.2 33.3 0.58 450 6 <-6.7 874 952
YSS2 7 6 2015 <0.05 <0.02 0.02 356 390 21.5 146 7.8 1550 855 119 4.5 42.4 0.64 656 18 <-5 1190 1350
YSS2 9 14 2015 <0.1 <0.02 <0.02 444 508 16.7 254 14.1 2710 1800 284 9.2 104 1.1 1740 18 <-5.7 2680 2660
YSS2 4 21 2016 <0.02 337 11 694
YSS2 6 21 2016 <0.02 669 14 1320
YSS2 9 6 2016 <5 2880
YSS2 4 5 2017 <0.02 490 <5 1160
YSS2 6 13 2017 <0.02 526 14 1080
YSS2 9 13 2017 <5 3240
YSS2 4 23 2018 <0.02 402 6 808
4
52 6 5 2018 <0.02 587 22 1180
YSS2 9112018 10 !3220
Yampa Segment 13e Standards-Acute 22 0.002 0.565
Yampa Segment 13e 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 13e chronic selenium standard.
Bold Analyte exceeds the Yampa Segment 13e or Agricultural Use Standards