S.D. Admin. R. 74:51:01:31

Current through Register Vol. 51, page 67, December 16, 2024

Section 74:51:01:31 - Temperature change in fish life propagation waters

There may be no induced temperature change over spawning beds. No discharge or discharges may affect the temperature by more than 4°F in streams classified for the beneficial use of coldwater permanent, coldwater marginal, or warmwater permanent fish life propagation; by more than 5°F in streams classified for the beneficial use of warmwater semipermanent or warmwater marginal fish life propagation; or by more than 3°F in lakes or impoundments classified for the beneficial use of fish life propagation. Exceptions to this criterion may be granted by the board if the discharge will not impair the designated beneficial use of fish life propagation. In addition, the maximum incremental temperature may not exceed 2°F per hour.

SL 1975, ch 16, § 1; 4 SDR 32, effective 12/4/1977; transferred from § 34:04:02:39, effective 7/1/1979; 13 SDR 129, 13 SDR 141, effective 7/1/1987; 14 SDR 86, effective 12/24/1987; 19 SDR 111, effective 1/31/1993; transferred from § 74:03:02:39, July 1, 1996.

General Authority: SDCL 34A-2-11, 34A-2-93.

Law Implemented: SDCL 34A-2-10, 34A-2-11.