Mississippi

Mississippi Department of Environmental Quality
Office of Pollution Control
Environmental Permits Division
General Permits Branch
PO Box 2261
Jackson, Mississippi 39225

State of Mississippi Mississippi Department of Environmental Quality Office of Pollution Control Baseline Storm Water General Permit for Industrial Activities effective November 17, 2015 through October 31, 2020.

Sampling not required for all sectors, but when sampling is required, the sampled discharge must result from a storm greater than 0.1 inches in magnitude which occurs at least 72 hours from the previously measurable (greater than 0.1 inches) storm. (Condition T-1 on page 22 of 38)

Magnitude: 0.1 inch or greater

Interval Between Storms: at least 72 hours from the previously measurable event

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