Statutes, codes, and regulations
Colorado Administrative Code
Department 400 - Department of Natural ResourcesDivision 402 - Division of Water Resources
Rule 2 CCR 402-6 - RULES AND REGULATIONS APPLYING EXCLUSIVELY TO THE WITHDRAWAL OF GROUND WATER FROM THE DAWSON, DENVER, ARAPAHOE AND LARAMIE-FOX HILLS AQUIFERS IN THE DENVER BASIN
Rule 2 CCR 402-6-4 - Definitions

2 Colo. Code Regs. § 402-6-4

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Current through Register Vol. 48, No. 1, January 10, 2025
Rule 2 CCR 402-6-4 - Definitions
A. The following definitions are applicable to these Denver Basin Rules:
1. The "Dawson Aquifer" means both the Lower Dawson Aquifer and the Upper Dawson Aquifer.
2. The "Upper Dawson Aquifer" means that aquifer above the base of the aquifer as shown in Denver Basin Atlas No. 1, Plate 3, Figure 1D, and that aquifer above the base of the aquifer as shown in Plate 1, Figure 1A south of the boundary of the Lower Dawson Aquifer.
3. The "Lower Dawson Aquifer" means that aquifer between the base of the aquifer as shown in Denver Basin Atlas No. 1, Plate 1, Figure 1A north of the boundary of the Lower Dawson Aquifer and the top of the aquifer as shown in Plate 2, Figure 1B and including the area of the outcrop/subcrop as shown in Plate 2, Figure 1C.
4. The "Denver Aquifer" means that aquifer between the base of the aquifer as shown in Denver Basin Atlas No. 2, Plate 1, Figure 2B and the top of the aquifer as shown in Plate 1, Figure 2A and including the area of the outcrop/subcrop as shown in Plate 2, Figure 2C.
5. The "Arapahoe Aquifer" means both the Lower Arapahoe Aquifer and the Upper Arapahoe Aquifer.
6. The "Upper Arapahoe Aquifer" means that aquifer between the base of the aquifer as shown in Denver Basin Atlas No. 3, Plate 3, Figure 3C and south and east of the boundary of the Lower Arapahoe Aquifer as shown in Plate 3, Figure 3C and the top of the aquifer as shown in Plate 1, Figure 3A and including the area of the outcrop/subcrop as shown in Plate 4, Figure 3E.
7. The "Lower Arapahoe Aquifer" means that aquifer between the base of the aquifer as shown in Denver Basin Atlas No. 3, Plate 2, Figure 3B north and west of the boundary of the Lower Arapahoe Aquifer and the top of the aquifer as shown in Plate 3, Figure 3D and including the area of the outcrop/subcrop as shown in Plate 5, Figure 3F.
8. The "Laramie-Fox Hills Aquifer" means that aquifer between the base of the aquifer as shown in Denver Basin Atlas No. 4, Plate 2, Figure 4B and the top of the aquifer as shown in Plate 1, Figure 4A and including the area of the outcrop/subcrop as shown in Plate 3, Figure 4C.
9. "Denver Basin Aquifers" means the Upper Dawson, Lower Dawson, Denver, Upper Arapahoe, Lower Arapahoe and Laramie-Fox Hills Aquifers as defined in these rules.
10. "Denver Basin" means that geographic area overlying the base of the Laramie-Fox Hills Aquifer as shown in Denver Basin Atlas No. 4, Plate 2, Figure 4B.
B. Any term used in these Denver Basin Rules that is defined in Sections 37-90-103 or 37-92-103, C.R.S. is used with the meaning given therein.
C. Any term used in these Denver Basin Rules that is not defined herein that is defined in other Rules and Regulations of the State Engineer is used with the meaning given therein.

2 CCR 402-6-4