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     Idaho Statutes

Idaho Statutes are updated to the website July 1 following the legislative session.


42-1712.  Construction, enlargement, alteration or repair of dams — Submission of duplicate plans, drawings and specifications. Owners who shall desire to construct, or enlarge, or alter or repair, meaning only such alterations or repairs as may affect the safety of the dam or reservoir, any dam, for the purpose of storing or appropriating or diverting any of the waters of this state, when the same is to be ten (10) feet or more in height and having a storage capacity of fifty (50) acre-feet or more, except as otherwise in this chapter provided, shall submit duplicate plans, drawings and specifications of the proposed work to the director, and construction of a new dam or enlargement, or alteration or repairs shall not be commenced until the owner has applied for and obtained written approval of the plans, drawings and specifications.
Owners of dams under construction on the effective date of this legislation and for which plans, drawings and specifications are required but have not been approved on or before the effective date of this legislation shall submit such plans, drawings and specifications for approval, with the fee established hereinafter. The director shall give notice to owners to submit plans, drawings and specifications, and failure to submit plans, drawings and specifications for approval within thirty (30) days of the date of mailing the notice shall be punishable as provided in this act, and construction shall be stopped upon issuance of an order by the director unless for good cause shown as determined by the director further time is allowed. The notice and/or order provided for in this paragraph may be given by certified mail and a return receipt signed by the owner or responsible company shall constitute prima facie evidence of service.
Upon receipt of the plans, drawings and specifications, the director shall give consideration thereto and shall approve or disapprove the same within the time provided in this section, and if he approves them, the director shall affix his approval thereto and return one (1) copy of each such plans, drawings and specifications, with his approval, to the party or parties proposing to construct the works.
Plans, drawings and specifications submitted to the director complete with fees shall be approved or disapproved in no more than sixty (60) days and in no less than fourteen (14) days after receipt. Defective plans, drawings and specifications made in a bona fide attempt to conform to the law and rules of the water resource board shall not be rejected but notice of defect shall be sent to the owner by certified mail. If within thirty (30) days of the date of mailing the notice the owner does not file amended and perfected plans, drawings and specifications, the plans, drawings and specifications shall be rejected and canceled unless for good cause shown the director allows the owner further time.
The construction of all dams under plans, drawings and specifications approved by the director shall be pursued with reasonable diligence to completion. In the event that an owner fails to commence actual construction and maintain reasonable construction progress of the dam under the plans, drawings and specifications approved by the director prior to or after the effective date of this act, such approval may be voided by the director one (1) year after such approval. Notice of the intent to void any such approval shall be sent by the director to the owner by certified mail and said owner shall be allowed thirty (30) days within which to show cause why such approval should not be voided. The director may grant additional time within which to commence the construction under plans, drawings and specifications approved by the director upon a showing of reasonable cause. Plans, drawings and specifications for which approval has become void must be resubmitted for approval, with the fee therefor as hereafter provided, prior to commencing construction of any such dam.
The plans, drawings and specifications shall include the following information:
(a)  The name and address of the owner.
(b)  The location, type, size and height of the proposed dam or reservoir and appurtenant works.
(c)  The storage capacity of the reservoir.
(d)  Such other pertinent information as the director may require including the following:
(1)  Data concerning subsoil and foundation conditions and materials entering into construction of the dam or reservoir.
(2)  Investigations of, and reports on subsurface conditions involving such matters as exploratory pits, trenches, and adits, drilling, coring, geophysical surveys, tests to determine leakage rates, and physical tests to measure in place the properties and behavior of foundation materials at the dam or reservoir site.
(3)  Investigation of and reports on the geology of the dam or reservoir site and its vicinity, possible geological hazards, availability and quality of construction materials, and other pertinent factors.
The plans, drawings and specifications shall be of such character and size setting forth such pertinent details and dimensions and in such form as the director requires. Plans, drawings and specifications which are submitted to the department shall be prepared by or under the direction of a professional engineer and authenticated by him as provided in section 54-1215, Idaho Code.
Where said dam is, in the opinion of the director, not of sufficient importance to have the provisions of the section apply to such dam, then the director shall have power, upon written application, to suspend the provisions of this section in regard to such dam.
The director shall prepare design and construction criteria for artificial barriers or embankments that store water, that are not dams as defined in this chapter, and shall supply such criteria upon request to any interested person to aid in constructing such artificial barriers or embankments. The use of such criteria shall in no way relieve the owner of responsibility for adequacy of design and construction procedures, nor be the basis of liability for any city or county that grants a permit related to construction of the artificial barrier or embankment pursuant to the provisions of chapter 65, title 67, Idaho Code.

[42-1712, added 1969, ch. 280, sec. 3, p. 833; am. 1974, ch. 20, sec. 13, p. 533; am. 2004, ch. 180, sec. 2, p. 566; am. 2016, ch. 206, sec. 3, p. 580.]

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