2021-06-01_HYDROLOGY - M1994027

• Permit No: M1994027
• IBM Index Class Name: Hydrology
• Doc Date: 6/1/2021
• Doc Name: Substitute Water Supply Plan
• From: DWR
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

Aggregate Industries, Inc.
site: Fredstrom Pit(WDID 0505629) Saint Vrain Creek Basin Accounting ek Basin Accounting
On-site Total On-Site Lagged
Average Pumped for Dewatering Net Depletion
Dewatering Dewatering impact the Monthly Exposed Water Evaporative Aggregate Water Retained Water Used Consumptive Lagged Dewatering (+)orAccretion
Rate(gP ) (ac-ft) River m Net Evaporation Surface Area Losses Production in Product For Dust Control Use Depletion Depletions {ac-ft)
Year Month feet (acres) acre-feet) (tons) (acre-feet (acre-feet acre-feet) (acre-feet (ac-ft) ()
2020 Jan-20 0 0.00 No 0.08 0:0 0.00 0 0.00 0.00 0.00 0.00 0.00 0.00
Feb-20 0 0.00 No 0.09 0.0 0.00 0 0.00 O.QO 0.00 0.00 0.00 0.00
Mar-20 0 0.00 No 0.13 0.0 0.00 0 0.00 0.00 0.00 0.00 0.00 0.00
A r-20 0 0.00 No 0.20 0,0 0.00 0 0.00 0.00 0.00 0.00 0.00 0.00
May-20 0 0.00 No 0.25 0.0 0.00 0 0.00 0.00 OM 0.00 0.00 0.00
Jun-20 0 0.00 No 0.38 0.0 0.00 0 0.00 O.QO 0.00 0.00 0.00 0.00
Jul-20 0 0.00 No 0.44 0.0 0.00 0 0.00 0,00 0.00 0.00 0.00 0.00
Au -20 0 0.00 No 0.38 0.0 0.00 0 0.00 0.00 0.00 0.00 0.00 0.00
Se -20 0 000 No 0.26 0.0 0.00 0 0.00 0.00 0.00 0.00 0.00 0.00
Oct-20 0 0.00 No 0.18 0.0 0.00 0 0.00 0.00 0.00 0.00 0.00 0.00
Nov-20 0 0.00 No 0.10 0,0 0.00 4cow 1.18 1.24 -0.20 0.00 -0.20
Dec-20 0 0.00 No 0.08 0Z 0.00 40,0430 1.18 0 y4 1.21 -0.51 0.00 -0.51
Totals 0.00 80,000 2.35 0.10 2,45 -0.71 0.00 -0.71
2021 Jan-21 0 0.00 No 0.08 0.0 0.00 0
0.00 0.00 0.00 -0.45 0.00 -0.45
Feb-21 0.00 No 0.09 0-0 0.00 0 0.00 0.01 OAO -0.23 0.00 -0.23
Mar-21 0.00 No 0.13 0.0 0.00 0 0.00 v 00 0.00 -0.14 0.00 -0.14
r-21 0 0.00 No 0.20 0.0 0.00 0 0.00 OM 0.00 -0.09 0.00 -0.09
Ma-21 0 0.00 No 0.25 0.0 0.00 0,00 O;vO 0.00 -0.07 O.OQ -0.07
Jun-21 Q.00 No 0.38 0 0 0.00 0 Q.00 0.00 0.00 -0.06 0.00 -0.06
Jul-21 v 0.00 No 0.44 0,0 Q.00 0 0.00 GA 01 0.00 -0.04 0.00 -0.04
Au -21 0.00 No 0.38 0+0 0.00 0 0.00 0.00 0.00 -0.04 0.00 -0.04
Sep-21 0 0.00 No 0.26 0.0 0.00 0 0.00 OM 0.00 -0.03 0.00 -0.03
Oct-21 G 0.00 No 0.18 0.0 0.00 0 000 in n�l
- 0.00 -0.03 0.00 -0.03
Nov-21 0 0.00 No 0.10 00 0,00 0 0.00 000 0,00 -0.03 O.QQ -0,03
Dec-21 0.00 No 0.08 0.0 0.00 0 0.00 O 00 0.00 -0.02 0.00 -0.02
Totals 0.00 0 0.00 0-00 OM -1.23 0.00 -1.23