Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 690. Water Quality Standards Implementation |
Subchapter 3. Point Source Discharges |
SECTION 252:690-3-13. Background monitoring location
Latest version.
- (a) Streams. The permittee must collect background samples at a point away from the stream bank, as close as is feasible to the channel, immediately upstream of the point of discharge, but not affected by it.(b) Lakes. The permittee must collect background samples at a point away from the waters edge and outside the regulatory mixing zone.