PERMFILE65856

• Permit No: M1977326
• IBM Index Class Name: Permit File
• Doc Name: CERT CDPS GENERAL PERMIT STORMWATER DISCHARGE ASSOCIATED WITH SAND & GRAVEL
• Media Type: D
• Archive: No

• • Page 3
Permit No. COG-500000
PART I
A. COVERAGE UNDER THIS PERMIT
1., Industries Covered
Uuder this general permit, the following types of facilities may be granted authorization to discharge treated process-
gmerated wastewaters and/or sWrmwater rvnoff into waters of the state of Colorado:
Facilities engaged ip the mining and processing of sand and gravel (including rock or stone used as aggregate), and
mining and quarrying of other nonmetallic minerals (except fuels or graphite), as described by the Standard Industrial
Classification (SIC) Code 14, and asphalt sad concrete batch plants located at facilities covered under SIC code 14.
a. Stormwater vs. Process wale: When stormwater mixes with process water, the process water limitations
(Part I.B of the permit) apply to the discharge of that mixed water. Process waters from these facilities are
subject to effluent limitations under 40 CFR 436.
b. Process Water: For purposes of this permit, process generated wastewaters include
I) Product wash waters;
2) Maintenance/equipment wash waters;
3) Transport waters;
4) Scrubber waters (crushers or classifiers);
5) Mine dewatering (gromdwater md/or runoff);
6) Other process water ere determined by the permit issuing audtority;
7) Stormwater runoff from mine or processing areas; and
8) Stormwater runoff which mixes with process generated wastewater prior to sampling.
a Stormwater: The aWrmwater section (Part I.C of the permit) is intended to cover stormwater runoff from
those portions of a nonmetallic minerals production operation that ere not subject to effluent limitations under
40 CFR 436.
2. DredYe and Fill Operations
This permit does not constitute authorization under 33 U.S.C. 1344 (Section 404 of the Clean Water Act) of any
stream dredging or filling operations.
3. Application Repuir®tents
In order to be considered eligible for authorintion to discharge under the terms and conditions of this permit, the
owner, operator, and/or authorized agwt of any facility desiring to discharge moat submit, by letter or hand delivery,
the discharge application form, available from the Water l'2ttality Control Division (the 'Division'), which generally
requires the following information:
a. Name, address, and descriptive location of the facility;
b. Name of principal in charge of operation of the facility;