Applications & Tools
Rio Grande Basin (Alamosa)
Division 3 administers all surface water and groundwater resources of the upper Rio Grande Basin in Colorado including Compact compliance pursuant to the Rio Grande Compact and the Costilla Creek Compact. The Division is also responsible for well permitting, compilation of diversion records, dam safety, well metering compliance, and streamflow gauging station operation and maintenance. The unique geology of Division 3 results in the conjunctive use of surface and groundwater rights providing water for municipal, commercial, and irrigation demands.
- Composite Water Head for Confined Aquifer Response Areas per Rule 8.1.4 (July 2024)
- Five Year Average Groundwater Withdrawals in Confined Aquifer Response Areas per Rule 8.1.5 (July 2024)
- All Annual Memos: Composite Water Head for Confined Aquifer Response Areas per Rule 8.1.4
- All Annual Memos: Five Year Average Groundwater Withdrawals in Confined Aquifer Response Areas per Rule 8.1.5
- Subdistrict 1 Annual Replacement Plan (ARP)
Pursuant to Term and Condition No. 7 of the “Findings of Fact, Conclusions of Law, Judgment and Decree in case no. 06CV64 & 07CW52, Water Division No. 3,” the State Engineer will review the proposed Annual Replacement Plan (“ARP”) for Special Improvement District No. 1 of the Rio Grande Water Conservation District (“Subdistrict No. 1”) and consider any letters, comments, or other objections submitted by water users regarding the adequacy of the Subdistrict No. 1 ARP.
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Subdistrict 1 ARP can be found here.- Subdistrict 2 Annual Replacement Plan (ARP)
Pursuant to Term and Condition in the “RULES GOVERNING THE WITHDRAWAL OF GROUNDWATER IN WATER DIVISION No. 3” the State Engineer has posted the approval documents for the proposed Annual Replacement Plan (“ARP”) for Special Improvement District No. 2 of the Rio Grande Water Conservation District (“Subdistrict No. 2”).
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Subdistrict 2 ARP can be found here.
- Subdistrict 3 Annual Replacement Plan (ARP)
Pursuant to Term and Condition in the “RULES GOVERNING THE WITHDRAWAL OF GROUNDWATER IN WATER DIVISION No. 3” the State Engineer has posted the approval documents for the proposed Annual Replacement Plan (“ARP”) for Special Improvement District No. 3 of the Rio Grande Water Conservation District (“Subdistrict No. 3”).
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Subdistrict 3 ARP can be found here.
- Subdistrict 4 Annual Replacement Plan (ARP)
Pursuant to Term and Condition in the “RULES GOVERNING THE WITHDRAWAL OF GROUNDWATER IN WATER DIVISION No. 3” the State Engineer has posted the approval documents for the proposed Annual Replacement Plan (“ARP”) for Special Improvement District No. 4 of the Rio Grande Water Conservation District (“Subdistrict No. 4”).
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Subdistrict 4 ARP can be found here.
- Subdistrict 5 Annual Replacement Plan (ARP)
Pursuant to Term and Condition in the “RULES GOVERNING THE WITHDRAWAL OF GROUNDWATER IN WATER DIVISION No. 3” the State Engineer has posted the approval documents for the proposed Annual Replacement Plan (“ARP”) for Special Improvement District No. 5 of the Rio Grande Water Conservation District (“Subdistrict No. 5”).
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Subdistrict 5 ARP can be found here.
- Subdistrict 6 Annual Replacement Plan (ARP)
Pursuant to Term and Condition in the “RULES GOVERNING THE WITHDRAWAL OF GROUNDWATER IN WATER DIVISION No. 3” the State Engineer has posted the approval documents for the proposed Annual Replacement Plan (“ARP”) for Special Improvement District No. 6 of the Rio Grande Water Conservation District (“Subdistrict No. 6”).
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Subdistrict 6 ARP can be found here.
- Subdistrict Trinchera ARP
Pursuant to Term and Condition in the “RULES GOVERNING THE WITHDRAWAL OF GROUNDWATER IN WATER DIVISION No. 3” the State Engineer has posted the approval documents for the proposed Annual Replacement Plan (“ARP”) for Trinchera Subdistrict of the Trinchera Water Conservancy District (“Subdistrict Trinchera ARP”).
Plan Year 2024: All documents related to the 2024 ARP can be downloaded here. Prior Plan Years for Trinchera Subdistrict ARP can be found here.