Colorado Code
Article 87 - Reservoirs
§ 37-87-102. Definitions - Natural Streams and Use Thereof by Reservoir Owners

(3.5) Whenever a determination of probable future surface water flows, or the probability of frequency of their recurrence, at any place in Colorado is required by relation to a longer period of flow than that for which there is a reliable record of flow as defined in subsection (3) of this section, the determination shall be made by interpolation and correlation of known records to the longer period by relating known records of water basins as similar as reasonably possible to the place of determination or basin under consideration, or by use of geologic determinations, or by use of other methods reasonably calculated to formulate an accurate estimate of probable future flows or the probability of frequency of their recurrence at the place of determination of such flows.
(3.7) Calculations of probable flows or frequency of recurrence based upon application of the principles set forth in subsections (3) and (3.5) of this section shall relieve anyone acting in accordance with such principles of any liability respecting an occurrence different than that predicted. This exemption from liability shall apply to the state and its public officials or employees when acting in performance of their public duties.

Source: L. 1879: p. 107, § 39. G.S. § 1725. R.S. 08: § 3203. C.L. § 1683. L. 35: p. 638, § 1. CSA: C. 90, § 80. CRS 53: § 147-5-2. C.R.S. 1963: § 148-5-2. L. 84: Entire section amended, p. 961, § 2, effective April 30. L. 86: (2) and (3) R&RE and (3.5) and (3.7) added, pp. 1088, 1089, §§ 1, 2, effective April 4.