Idaho Admin. Code r. 58.01.02.080 - VIOLATION OF WATER QUALITY STANDARDS
01.
Discharges Which Result in Water Quality Standards Violation. No
pollutant shall be discharged from a single source or in combination with
pollutants discharged from other sources in concentrations or in a manner that:
(3-31-22)
a. Will or can be expected to result
in violation of the water quality standards applicable to the receiving water
body or downstream waters; or (3-31-22)
b. Will injure designated or existing
beneficial uses; or (3-31-22)
c. Is
not authorized by the appropriate authorizing agency for those discharges that
require authorization. (3-31-22)
02.
Short Term Activity
Exemption. The Department or the Board can authorize, with whatever
conditions deemed necessary, short term activities even though such activities
can result in a violation of these rules; (3-31-22)
a. No activity can be authorized by the
provisions of Subsection
080.02 unless: (3-31-22)
i. The activity is essential to the
protection or promotion of public interest; (3-31-22)
ii. No permanent or long term injury of
beneficial uses is likely as a result of the activity.
(3-31-22)
b. Activities
eligible for authorization by Subsection
080.02 include, but are not
limited to: (3-31-22)
i. Wastewater treatment
facility maintenance; (3-31-22)
ii.
Fish eradication projects; (3-31-22)
iii. Mosquito abatement projects;
(3-31-22)
iv. Algae and weed
control projects; (3-31-22)
v.
Dredge and fill activities; (3-31-22)
vi. Maintenance of existing structures;
(3-31-22)
vii. Limited road and
trail reconstruction; (3-31-22)
viii. Soil stabilization measures;
(3-31-22)
ix. Habitat enhancement
structures; and (3-31-22)
x.
Activities which result in overall enhancement or maintenance of beneficial
uses. (3-31-22)
03.
Temperature Exemption.
Exceeding the temperature criteria in Section
250 will not be considered a water
quality standard violation when the air temperature of a given day exceeds the
ninetieth percentile of a yearly series of the maximum weekly maximum air
temperature (MWMT) calculated over the historic record measured at the nearest
weather reporting station. (3-31-22)
Notes
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