Code of Colorado Regulations
400 - Department of Natural Resources
402 - Division of Water Resources
2 CCR 402-10 - RULES AND REGULATIONS FOR PERMITTING THE DEVELOPMENT AND THE APPROPRIATION OF GEOTHERMAL RESOURCES THROUGH THE USE OF WELLS
12 - Records And Reporting Requirements

12.1 Certification- All documents shall be signed by the person responsible for the work performed, certifying the truthfulness and accuracy of the documents. All original documents shall be submitted to the State Engineer.

12.2 Format of Reports- Reports shall be submitted on forms prescribed by the State Engineer, legible reproductions thereof, or computer generated forms patterned after the prescribed form upon prior approval by the State Engineer. "As-Built" drawings may be included but shall not be larger than 24 x 36 inches. All of the applicable data requested on any form shall be accurately reported.

12.3 Substitution of Forms- All forms required by these Rules shall be submitted on forms prescribed by the State Engineer. The State Engineer shall reject any form that cannot be legibly reproduced. Drawings, maps, and data supplementing a form shall not be larger than 24 x 36 inches.

12.4 Incomplete Forms- Forms submitted without the required information, filing fee or signature shall be returned as incomplete. The State Engineer shall inform the applicant or designated agent of any deficiencies on the permit application. If the applicant fails to correct the deficiencies and resubmit the permit application within the time requested, the State Engineer may consider the application withdrawn, and the fee shall be forfeited.

12.5 Retention of Records- The permit application and original permit and supplemental information shall be filed and preserved by the State Engineer and may be used in determining the extent of the uses made of the various geothermal resources.

12.6 Data Confidentiality- In the event that the information submitted falls within the purview of Section 24 72 204(3)(a)(IV), C.R.S. (2003), and upon written request by the owner or designated agent, the State Engineer shall deny the right of inspection of such data to any person and keep the data confidential for not more than one (1) year after submission.

12.7 Construction and Test Report- The well construction contractor or certified individual shall maintain detailed information during the construction and completion of a geothermal well. The information to be reported shall include at least the following: a detailed and accurate lithologic log; diameter, type, grade and depth of all casing; amounts, type, depths and placement method of all grouts used; construction and completion history; types of fluids and temperatures encountered; types and depths of production equipment installed; and copies of data from any flow or pressure testing. This information shall be submitted by the well construction contractor or certified individual to the State Engineer on a prescribed form within sixty (60) days of completing the well, or seven (7) days after the expiration of the permit to construct, whichever occurs sooner.

12.8 Production Records for a Type A-OS or Type B Well- In order to quantify the geothermal energy extracted, the well owner or operator shall maintain permanent records of the amounts of fluid appropriated and areas heated. These records shall be collected at least monthly and shall be submitted to the State Engineer upon request. For wells appropriating a geothermal fluid, these records shall include as a minimum the appropriation rates and volumes and inflow and outflow temperatures.

12.9 Injection Records- The owner or operator of any geothermal reinjection well shall maintain permanent records of injection rates, injection volumes, fluid temperatures, injection pressures, and annulus pressures. These records shall be collected at least monthly and shall be submitted to the State Engineer upon request.

12.10 Geophysical Log, Survey and Well Test- When required by a geothermal well permit, any geophysical log, down-hole survey, or fluid sample analysis obtained during the construction and flow testing of a geothermal well shall be submitted with the Well Construction and Test Report.

12.11 Supplemental Report- The owner or operator shall furnish the State Engineer any information that the State Engineer may request to determine compliance with well construction standards and conditions of the geothermal well permit.

12.12 Plugging Report- The owner or operator shall submit a plugging report for each well that is plugged on a form prescribed by the State Engineer. The report shall identify the well which was plugged by location and permit number and provide a detailed description of the manner in which the well was plugged, including quantities and nature of materials used; and the method of placement, depth to, and the depth intervals of plugs installed in the well. If the staff of the State Engineer cannot witness the plugging of a Type B or reinjection well, the owner or operator shall submit a copy of the report or bill from the person installing the plugs, verifying the placement depths, and the types and amounts of materials used.