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 2.Surface water quality data at Grassy Creek YSGS 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 UG/L MG/L UG/L UG/L MG/L MG/L UG/L
YSG5 4 8 2014 4981.05 8.01 3.7 2.32 <0.05 1.3 110 <0.1 <0.5 2.8 1.76 0.29 <0.1 0.06 <0.2 <8 1.46 '0.01 7.3
YSG5 6 18 2014 20691 7.78 11.9 2.89 <0.05 0.7 200 <0.2 <1 <1 0.29 <0.2 0.23 <0.2 <8 0.23 <0.01 1.7
YSG5 9 12 2014 437.76 8.09 16.5 3.25 <0.05 1.5 240 <0.2 <1 <1 1.01 <0.2 0.44 <0.2 <8 0.03 <0.01 0.8
YSG5 3 13 2015 4196.96 7.96 4.9 3060 15.7
YSG5 4 23 2015 1269 8.1 14 2750 <0.05 0.9 150 <0.2 <1 <1 0.81 <0.2 0.28 <0.2 <20 0.59 0.02 3.3
YSG5 DUP 4 23 2015 1269 8.1 14 2750 3.5
YSG5 1 6 15 2015 539 7.78 1 15 2430 1 0.07 1 1.9 140 1 <0.1 <0.5 <0.5 1.6 1 <0.1 1 0.53 <0.2 <8 0.04 1 <0.01 1.1
YSG5 DUP 6 15 2015 539 7.78 15 2430 0.8
YSG5 9 14 2015 48.9 7.9 9.5 3830 <0.05 1.2 230 <0.2 <1 <1 0.77 <0.2 0.35 <0.2 <20 <0.02 <0.01 0.5
YSG5 4 20 2016 5292 7.99 11.7 1760 <0.05 1.5 120 <0.1 <0.5 1.5 2.53 <0.1 0.01 <0.2 <8 0.91 0.02 4.2
YSG5 6 20 2016 2059 7.82 26.1 2780 <0.05 1.3 180 <0.2 <1 <1 1.07 <0.2 0.05 <0.2 <20 0.51 <0.01 2.1
YSG5 9 6 2016 384.4 7.95 16.4 3590 <0.05 1.1 220 <0.2 <1 <1 0.37 <0.2 0.08 <0.2 <20 0.05 <0.01 1.1
YSG5 4 6 2017 1480.85 8.36 8.8 3430 <0.05 0.5 170 <0.2 <1 <1 0.44 <0.2 0.14 <0.2 <20 0.67 <0.01 3.8
YSG5 6 13 2017 243.2 8.23 15.4 2410 <0.05 1.2 160 <0.2 <1 <0.8 1.6 <0.2 0.03 <0.2 <20 <0.02 <0.01 0.5
YSG5 9 13 2017 11.9 7.97 17.4 4760 <0.05 1.2 250 <0.2 <1 <0.8 0.51 <0.2 0.27 <0.2 <20 <0.02 <0.01 0.7
YSG5 4 24 2018 1590.7 8.55 10.5 2474 <0.05 0.9 140 <0.1 <0.5 <0.8 0.57 1 <0.1 0.01 <0.2 <8 0.58 0.02 1 4.3
YSG5 6 5 2018 275.4 8.11 2061 2970 <0.05 0.9 210 <0.2 <1 4.2 0.49 <0.2 0.16 <0.2 <20 <0.02 <0.01 1.3
YSG5 7/3 2018 7.8 7.99 18.1 4064 1 1 1 0.7
YSG5 9/11/2018 11.3 8.24 18.6 4239 1 <0.05 <1 310 <0.1 <3 <2 1.00 0.7 0.1 <0.2 <40 <0.02 <0.01 <0.5
Yampa Segment 13j Standards-Acute 6.5-9.0 0.5 340 750 9.2 1773 50 281 4.738 0.01 1513 100 0.05 18.4
Yampa Segment 131 Standards-Chronic 100 1.2 231 29 1 11 2.618 166 TM***
Agricultural Use Standards 100 750 10 100 200 100 0.2** 200 100 10 20
Al0, Sodium Cation/
HCO3 as CO3 as TDS
Silver Sulfide Zinc CaCO3,@ HCO3 Cog Calcium Chloride SpC,Lab Hardness Magnesium Potassium Sodium Adsorption Sulfates TSS Anion (Cak) TDS
Location Date pH 4.5 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/CM MG/L MG/L MG/L MG/L RATIO MG/L MG/L % MG/L MG/L
YSG5 4 8 2014 <0.05 <0.02 <0.01 172 160 20 2150 1060 161 5 154 2.08 1060 33 3.7 1670 1890
YSG5 6 18 2014 <0.1 <0.02 <0.01 269 328 301 <2 23.1 3220 1900 280 7.4 111 1.1 1690 8 1.9 2580 3050
YSG5 9 12 2014 <0.1 <0.02 <0.01 316 385 357 <2 27.8 3650 2360 356 10.1 142 1.3 2120 23 1.9 3210 3580
YSG5 3 13 2015 2190 22 3040
YSG5 4 23 2015 <0.1 <0.02 <0.02 337 1 1 271 27.1 3150 1 1690 245 1 6.9 157 1 1.7 1720 1 22 1 <-3.5 2640 2820
YSG5 DUP 4 23 2015 1690 14 2860
YSG5 6 15 2015 <0.05 <0.02 0.06 310 356 219 11.1 18.1 2170 1260 173 7 93.6 1.2 Will 40 3.4 1710 1990
YSG5 DUP 6 15 2015 1030 44 2010
YSG5 9 14 2015 <0.1 <0.02 <0.02 318 382 348 2.7 31.1 3370 2220 327 8.7 142 1.3 2210 16 <-2.9 3260 3440
YSG5 4 20 2016 <0.05 <0.02 <0.01 174 199 121 6 12.4 1550 759 111 5.1 90.3 1.4 753 35 <-2.6 1200 1260
YSG5 6 20 2016 <0.1 <0.02 0.08 292 328 248 13.6 16.1 2530 1540 223 6.6 73.1 0.82 1520 34 <-5.6 2270 2490
YSG5 9 6 2016 <0.1 <0.02 <0.02 300 357 318 4.5 24.1 3300 2120 321 9.2 114 1.1 1960 9 <0 2930 3190
YSG5 4 6 2017 <0.1 <0.02 <0.02 321 351 281 20 25.4 3120 1810 268 7.1 148 1.5 1890 21 <-1.1 2680 2970
YSG5 6 13 2017 <0.1 <0.02 <0.02 300 224 17.1 2070 1240 165 5.6 76.2 0.95 1150 44 <-5A 1820 2050
YSG5 9 13 2017 <0.1 <0.02 <0.02 328 385 1 394 7.3 1 32 3660 1 2310 321 1 9.6 139 1 1.3 2150 10 <-1 1 3250 3650
YSGS 4 24 2018 <0.05 <0.02 <0.01 265 316 1 209 3.7 18.6 2440 1300 190 6 128 1.6 1 1240 17 <0 2180
YSG5 6 5 2018 <0.1 <0.02 <0.02 294 281 19 2790 1750 255 7.6 112 1.2 1 1540 11 1.3 2390 2720
YSG5 7 30 2018 1 2790 3860
YSG5 9/11/2018 <0.3 <0.02 <0.05 326 326 <2 401 31.1 4020 2630 395 11 158 1.4 1990 36 10.1 3190 4060
Yampa Segment 131 Standards-Acute 22 0.002 0.565
Yampa Segment 131 Standards-Chronic 3.5 0.428
Agricultural Use Standards 2
Notes _ _
1*Analyte analyzed for potentially dissolved fraction
**The manganese agricultural use standard is only applicable for areas with acidic soils.
***A current condtions temporary modification is in place for the Segment Q chronic selenium standard.
Bold Analyte exceeds the Yampa Segment 131 or Agricultural Use Standards