Chapter NR 333

DAM DESIGN AND CONSTRUCTION

NR 333.01   Purpose.

NR 333.02   Applicability.

NR 333.03   Definitions.

NR 333.04   Compliance schedules.

NR 333.05   Submission of plans, specifications and analyses.

NR 333.06   Dam hazard ratings.

NR 333.07   Hydraulic design and safety requirements.

NR 333.08   Construction.

NR 333.09   Financial assurance.

Ch. NR 333 Note Note: Chapter NR 333 as it existed on May 31, 1985 was repealed and a new chapter NR 333 was created effective June 1, 1985.

NR 333.01 NR 333.01 Purpose. The purpose of this chapter is to ensure that dams are designed, constructed and reconstructed so as to minimize the danger to life, health and property. This chapter is adopted pursuant to ss. 31.02 (2), 31.19 and 31.33, Stats.

NR 333.01 History History: Cr. Register, May, 1985, No. 353, eff. 6-1-85.

NR 333.02 NR 333.02 Applicability.

NR 333.02(1) (1) The provisions of this chapter are applicable to dams not owned by the United States government that:

NR 333.02(1)(a) (a) Have a structural height of more than 6 feet and a maximum storage capacity of 50 acre-feet or more of water.

NR 333.02(1)(b) (b) Have a structural height of 25 feet or more and a maximum storage capacity of more than 15 acre-feet of water.

NR 333.02(1)(c) (c) Have a structural height of 6 feet or less or a maximum storage capacity of less than 50 acre-feet of water if the department determines that the dam is likely to endanger life, health or property if it is not designed, constructed or reconstructed in accordance with this chapter.

NR 333.02(2) (2) All new and existing dams inspected, approved and licensed by a federal agency under 18 CFR Part 12, are exempt from the provisions of this chapter provided that the dam meets requirements which are at least as restrictive as the requirements of this chapter.

NR 333.02 Note Note: Dams exempted from this chapter are still subject to the requirements of ch. 31, Stats., including, but not limited to, the requirements for permits and plan approvals.

NR 333.02 History History: Cr. Register, May, 1985, No. 353, eff. 6-1-85; CR 00-136: am. Register July 2001, No. 547 eff. 8-1-01.

NR 333.03 NR 333.03 Definitions.

NR 333.03(1) (1) “Auxiliary spillway” means a secondary spillway designed to pass water only during flows exceeding the capacity of the principal spillway.