PERMFILE69668

• Permit No: M2003091
• IBM Index Class Name: Permit File
• Doc Date: 6/30/2004
• Doc Name: CDPS Industrial General Permit
• From: CDPHE
• To: LaFarge West Inc
• Media Type: D
• Archive: No

l
I
PARTI
A. COVERAGE UNDER THIS PERMIT
Industries Covered
Page 3
Pcrmit No. COG-500(xlD
Under this general permit, the following types of facilities may be granted authorization to discharge treated process-generated
wastewaters and/or stormwater runoff into waters of the state of Colorado:
Facilities engaged in 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 and concrete batch plants located at facilities covered under this permit.
a. Stormwater vs. Process water: When stotmwater mixes with process water, the process water limitations (Part LB of the
permit) apply to the discharge of that mixed water. Process waters from these facilities aze subject to effluent Limitations
under 40 CFR 436.
b. Process Water: For purposes of this permit, process generated wastewaters include
]) Product wash waters;
2) Maintenance/equipment wash water;
3) Transport waters;
4) Scrubber waters (crushers or classifiers);
5) Mine dewatering (groundwater and/or runoff);
6) Other process water as determined by the permit issuing authority;
7) Stormwater nmoff from mine or processing areas; and
8) Sformwater runoff, which mixes with process, generated wastewater before sampling.
c. Stomtwater: The stormwater section (Part LC of the permit) is intended to covet stormwater runofffrom those portions of a
nonmetallic minerals production operation that are not subject to effluent limitations under 40 CFR 436.
2. Dredr:e and FiII Operntions
This pernrit does not constitute authorization under 33 U.S.C. 1344 (Section 404 of the Clean W ater Act) of any stream dredging or
filling operations.
3. Aoolication Reouirements
In order to be considered eligible for authorization to discharge under the terms and conditions of this permit, the owner,
and/or authorized agent of any facility desiring to discharge must submit, by Ieuer or hand delivery, two copies of the
application form, available from the Water Quality Control Division (the "Division"), which generally requires the
information:
a. Name, address, and descriptive location of the facility;
b. Name of principal in chazge of operation of the facility;
c. Name of water receiving the dischazge;
d. Description of the type of activity resulting in the dischazge including the anticipated duration of activity andlor
dischazge, anticipated volume, and rate of dischazge, and the source of water which is to be discharged;
e. Description of any waste water treatment system and recycle/reuse utilized;
f. A map or schematic diagram showing the general area and/or routing of the activity;
g. Analysis of the process water to be dischazged;
h. Description of stormwater dischazges, including drainage azea;
i. Description of present and proposed best management practices at site, including map;
j. Any existing water quality data on stormwater dischazges; and
k. Certification as to the prepazation of a Stomtwater Management Plan.
4. Annlication Due Dates
At least thirty days before the anticipated date of discharge, the owner (or operator if the owner does not operate the facility)
facility shall submit an application as provided by the Division.