2023-07-25_HYDROLOGY - M2007044

• Permit No: M2007044
• IBM Index Class Name: Hydrology
• Doc Date: 7/25/2023
• Doc Name: Hydrology Report
• From: Energy Fuels Resources Inc
• To: DRMS
• Annual Report Year: 2023
• Report Quarter_Month: 2
• Permit Index Doc Type: Hydrology Report
• Email Name: ACY
• Email Name: THM
• Media Type: D
• Archive: No

Table 2 PR Spring
General Parameters Major Ions(mg/L) Metals(mg/L)(i)
Sample Information Flow TSS TDS pH Hard Alk Cond Na Ca Mg K CI F NO, P HCO3 SO4 Al Sb As Ba Be
m m /L m /L S.U. m /L m /L S/cm)
PR Spring(aka. Pack Rat Spring,
Lower S rin -Salt Wash
Pack Rat Spring, Umetco, 3/21/1980 - 630 7.6 135 23.6 28.2 22 327 109
Packrat Sp, BLM, 7/7/93 6 830 7.8 258 328 980 138 47 34 66 9 0.49 1.39 0.03 397 195 0.210 006
DP-93-6, Peel, 9/9/93 - 552 787 158 36.5 225 6.2 28 292 162 0.281
Pack Rat Spring, Umetco,6/26/96 9 0 7.95 600 1 042
PRSPRING,WWE, 7/15/97 63 <10 528 7.99 308 168 26 15.5 <5 1 23 0.8 1 308 1 125 <0.1 1 0.379 1 0.05 <0.05
PRSPRING,WWE, 10/26/97 7.9 <10 492 311 148 23.6 14 6 23 0.8 311 126 <0 05 0.411 003 <0.002
Pack Rat S rin ,Umetco 6/1/99 5.3 14 509 747 894 133 264 15 5 24 306 120 0.382
Pack Rat Spring,Umetco 5/24/00 - <10 460 824 310 160 26 15 <5 22 310 110 <0.05 0.46 0 033 <0 002
Lower Spring, EFRC, 10/24/06 - 538 8.20 312 163 24.8 159 5.5 21 0.6 04 110 <0.1 0.369 <0.1
LS Tank, EFRC, 1/17/07 - <1 0 500 8.36 126 315 847 160 24.6 156 5.5 22 04 04 <0.1 384 120 <0.1 <0 05 0.394 <0.1 <0.1
PS Spring , EFRC, 4/27/07 4.3 <1 0 540 8.38 108 318 147 21.5 132 5.2 22 0.6 0.4 <0.1 379 116 <0 1 00007 0.357 <0.1 <0.01
PR Springs, EFRC, 3/10/08 4.25 <1 537 8.18 324 162 21.1 13.4 5.6 21 0.4 0.4 0.037 395 121 0.388 <0.1 <0.01
PR Springs , EFRC,6/19/08 4.7 <1 553 8.25 300 762 172 24 15 6 25 0.4 0.4 0.02 366 122 0.413 <0.1 <0.01
PR Springs , EFRC, 9/8/08* 4.1 <1 534 836 303 883 173 23 15 5 23 0.4 0.5 0.02 370 125 0.510 <0 1 <0.01
PR Springs , EFRC, 12/15/08 4.5 8 572 8.31 311 790 171 24 15 5 20 04 04 0.01 359 123 0.394 <0.1 <0.01
PR Springs , EFRC, 2/10/09 45 <1 518 668 310 923 152 22 14 4 20 0.4 0.4 0.01 378 120 0.400 <0 1 <0.01
PR Springs , EFRC,4/20/09 4.5 <4 542 8.24 325 898 150 22 14 5 18 05 <0.1 <0.01 387 122 0.384 <0.1 <0.01
PR Springs, EFRC, 6/2/10 23 <4 544 8.52 331 880 165 23 14 6 21 04 0.4 0.025 384 123 0.406 <0.1 <0.01
PR Springs, EFRC, 5/24/11 48 <4 523 8.60 322 858 166 25 14 6 22 04 0.4 0.025 393 116 0.425 <0.1 <0 01
PR Spring, EFRC, 5/30/12 45 <4 560 831 319 901 151 27 17 5 21 04 0.3 0.016 371 136 0.377 <0.1 <0.01
PR Spring, EFRC, 6/4/13 3.9 <10 535 819 326 844 164 25 15 6 20 0.4 03 0 011 394 109 0.367 <0.1 <0.01
PR Spring, EFRC, 6/17/14 2 <10 521 8.12 324 878 147 1 28 14 5 22 0.4 0.3 0 038 391 1 108 0.324 <0.1 <0.01
PR Spring, EFRI, 8/5/15 1 <10 539 1 7.61 327 922 155 27 14 5 21 0.4 02 0 010 386 110 1 0.373 <0 1 <0.01
PR Spring, EFRI, 6/1/16 0.6 <10 535 8.32 333 867 157 25 14 5 20 0.3 0.2 0.013 384 100 0.310 <0 1 <0.01
PR Spring, EFRI, 6/7/17 1 2 476 809 302 803 121 40 17 5 23 0.4 028 001 365 103 0.243 <0.1 <0.01
PR Spring, EFRI, 6/20/18 5 <1 520 810 307 613 142 33 16 5 22 04 0.28 0.016 375 101 0.313 <0.1 <0 01
PR Spring, EFRI, 6/25/19 65 <1 489 803 306 785 118 40 16 5 22 0.4 0.25 0.012 360 98 0.242 <0.1 <0.01
PR Spring, EFRI, 6/24/20 4.5 <1 506 8.15 314 754 128 34 15 5 20 04 0.26 0.015 1 382 100 0.306 <0.05 <0 001
PR Spring, EFRI, 7/13/21 5 <1 517 810 310 819 136 31 14 5 20 0.4 0.25 0 078 379 103 0.322 <0 05 <0.001
PR Spring, EFRI, 8/1/22 5 <1 525 8.20 317 8276 147 29 14 1 5 19 0.4 025 0 021 387 102 0.359 <0.05 <0.001
PR Spring, EFRI, 11/16/22 4.13 <2 534 8.30 322 888.4 150 26 13 5 20 04 0.25 0 014 391 109 0.338 <0 05 <0 001
PR Spring, EFRI, 5/10/23 5.5 <2 501 8.20 308 490 120 42 17 5 22 04 0.22 0.011 376 97 1 0.230 <0.05 1 <0 001
Colorado Water Standards
Ground Water, Domestic 6 5 to 8 5 250 4.0 10.0 250 0.006 001 20 0.004
Ground Water,Agriculture 6 5 to 8 5 2 100 5 0.1 0.1
Surface Water, Stream e, 6 5 to 9.0 250 0.100 0.100
Surface Water, Domestic 5.0 to 9.0 250 20 10.0 250 0 1(g) 1.0 0 004
Surface Water,Agriculture 100 01 01
EPA Water Standards(h)
Maximum 30 6.0 to 9.0
Average 20 6 0 to 9 0
Notes:
1 Water standards are provided for reference only.These standards do not apply to the spring water unless it is used for drinking water, irrigation, or other regulated uses.
2. Concentrations or activity levels above a state or federal standard are shaded for reference purposes Shading indicates that the measured level is elevated compared to cetain standards of water use
3. Metal and radionuclide levels are reported as total recoverable.
* Nitrate sample recollected on 9/18/08 due to hold time exceedance on 9/8/08 sample
Table 2 Water Quality Data
PR Spring
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