S-3.1.01, r. 1 - Dam Safety Regulation

Section 78 Disposition versions

2023-07-06

78. The first dam safety review of a newly listed dam or a dam newly classified as a high-capacity dam must be conducted, and the attendant report sent to the Minister, before 31 December of the fifth calendar year following the year in which the owner is informed of its entry in the register or the entry of its new classification in the register, if such a review is required under section 47.1 for the dam concerned.

O.C. 300-2002, s. 78; O.C. 402-2011, s. 14; O.C. 901-2014, ss. 20 and 22; O.C. 989-2023, s. 55.

2014-11-13

78. Subject to the provisions of sections 79 and 80, the first dam safety review of an existing high-capacity dam must be conducted, and the attendant report sent to the Minister, within the time limit indicated below, computed from the date of coming into force of the Act; the time limit varies according to the dam failure consequence category and the dam condition and discharge facilities reliability ratings under subparagraphs 3 and 4 of the first paragraph of section 14 and section 15.

For a Very High or Severe Consequence dam, the time limit is

(1)  3 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  4 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

For a Moderate or High Consequence dam, the time limit is

(1)  5 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  6 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

For a Low Consequence dam, the time limit is

(1)  14 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  15 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

For a Very Low Consequence dam, the time limit is

(1)  18 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  20 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

O.C. 300-2002, s. 78; O.C. 402-2011, s. 14; O.C. 901-2014, ss. 20 and 22.

2012-09-01

78. Subject to the provisions of sections 79 and 80, the first dam safety review of an existing high-capacity dam must be conducted, and the attendant report sent to the Minister, within the time limit indicated below, computed from the date of coming into force of the Act; the time limit varies according to the dam failure consequence category under sections 17 and 18 and the dam condition and discharge facilities reliability ratings under subparagraphs 3 and 4 of the first paragraph of section 14 and section 15.

For a Very High or Severe Consequence dam, the time limit is

(1)  3 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  4 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

For a Moderate or High Consequence dam, the time limit is

(1)  5 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  6 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

For a Low Consequence dam, the time limit is

(1)  10 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  12 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

For a Very Low Consequence dam, the time limit is

(1)  16 years, if the condition of the dam is rated acceptable, poor or undetermined or if the reliability of the discharge facilities is rated unsatisfactory or undetermined; or

(2)  18 years, if the condition of the dam is rated good or very good and the reliability of the discharge facilities is rated satisfactory or acceptable.

O.C. 300-2002, s. 78; O.C. 402-2011, s. 14.