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Construction Storrnwater Permit: Stormwafer Discharge From Industrial Facilities - Discharges of stortnwater runoff from
<br />construction sites disturbing one aae or more - or certain types of industrial fadlities - requires a CDPS Stormwater Permit Contact
<br />/n/ormation: For Utility/Special Use activities being performed in conjunction and coordination with a CDOT highway construction
<br />contract, please contact the CDOT Water Quality Program Manager at (303) 757-9343. Otherwise, contact the CDPHE Water Quality
<br />Control Division at 303 692-3500. Website: h ://www.cd he.state.co.uslw /PermitsUnit/w cd mt.html
<br />Construction Dewatering (Discharge or Infiltration) -Discharges of water encountered during excavation or work in wet areas
<br />may require a Construction Dewatering Discharge Permit Contact lnfonnation: For Construction Dewatering Discharge Permits,
<br />contact the CDPHE WQCD at 303 692-3500. Website:h ://www.cd he.state.co.us/w /PermitsUniUw cd mt. html
<br />Minimal Industrial Discharge Permit- Discharges of small quantities of wastewater or wastewater requiring minimal treatment,
<br />such as that resulting from hydrostatic testing or certain wash waters, may require a Minimal Industrial Discharge Permit ("MINDI").
<br />Contact Info: Contact the CDPHE WQCD at 303 692-3500. Website: htto://v~,v.cd he.state.w.usiw /PermitsUniUw cd mt.hhnl
<br />Municipal Separate Storm Sewer System (MS41 Discharge Permit- Discharges from the storm sewer systems of larger
<br />municipalities, and from fhe CDOT highway drainage system that lies within those munidpalities. are subject to MS4 Permits issued
<br />by the CDPHE WQCD. For fadlities that lie within the boundaries of a munidpalmy that is subject to a MS4 permit, the owner of such
<br />facility should contact the municipality regarding slormwater related dearances That may have been established under that
<br />municipality's MS4 permit All discharges tD the CDOT highway drainage system must comply with the applicable provisions of the
<br />Colorado Water Quality Control Ad and the Coorado Discharge Permit Regulations, and are subject to inspection by the CDOT and
<br />the CDPPE. Contact Information: Contact the CDPHE Water Quality Control Division at (303) 692-3500 for a listing of municipalities
<br />r uired to obtain MS-4 Permits, or o to h ://www.cd he. state.co.uslw /PermitsUniUw cd mt.html#Munici alFormsGuidance.
<br />Dischame of Dredged or FIII Material - 404 Permits Administered By the U.S. Army Corps of Engineers, and Section 401
<br />Water QuaIIN Cerflficaflons Issued by the CDPHE WQCD -Corps of Engineers 404 Permits are required for the discharge of
<br />dredged or fill materials into waters of the United States, inducting wetlands. Thera are various types of 404 Permits, including
<br />Nationwide Permits, which are issued for activities with relatively minor impacts. For example, there is a Nationwide Permit for Utility
<br />Line Activities (NWP #12). However, depending upon the specific circumstances, it is possble that either a "General" or "Individual"
<br />404 permit would be required. If an Individual 404 Pertnk is required, Section 401 water quality certification from the CDPHE WQCD
<br />is also required. Contact Information: Contact the appropriate Corps District Regulatory Otfice for information about what type of 404
<br />ermk ma be re uired information rovided at to of ECIS . Contact the CDPHE Water Qual' Control Division at 303 692-3500.
<br />Erosion and Sediment Control Practices -For activities requiring a Construction Stormwa~r Permit, erosion control requirements
<br />will be specified through that permit In those situations where a stortnwater permm is not required, all reasonable measures should be
<br />taken in order to minimize erosion and sedimentation. In either case, the CDOT Stormwater Quality and Erosion Control Guide (2002)
<br />should be used to design erosion controls. Contact lnformatlon: The CDOT Stornwater Quality and Erosion Control Guide may be
<br />obtained from the Bid Plans Office at 303 757-9313 or from: h ://www.dotstate.co.uslenvironmental/envWaterQual/w ms4.as
<br />Disposal of Drilling Fluids -Drilling fluids used in operations such as Horizontal Directional Drilling may be dassified as "discharges"
<br />or "solid wastes", and in general, should be pumped or vaaumed from the construction area, removed from the State Highway Right
<br />of Way, and disposed of at permitted facilities that spedfically accept such wastes. Disposal of drilling fluids into storm drains, storm
<br />sewers, roadside ditches or any other type of man-made or natural waterway is prohibited by Water Quality Control and/or Solid
<br />Waste regulations. Small quantities of drilling fluid solids (less than 1 cubic yard of solids) may be left onsite after either being
<br />separated from fluids or after infiltration of the water, provided: 1) the drilling fluid consists of only wafer and beMonite clay, or, 'rf
<br />required for proper drilling properties, small quantities of polymer additives that are approved for use in drinking water well drilling; 2)
<br />the solids are fully contained in a pit, and are not Likely to pose a nuisance to future work in the area, 3) the solids are covered and the
<br />area restored as required by CDOT permit requirements (Utility, Spedal Use, or Access Permits, etc.). Contact information:
<br />Contact the CDOT /CDPHE Liaison or CDOT Water Quay Pro ram Maria er.
<br />Concrete Washout -Waste generated from concrete activities shall NOT be allowed to flow into the drainage ways, inlets, receiving
<br />waters, or in the CDOT ROW. Concrete waste shall be placed in a temporary concrete washout facility. Conae~ washout shall only
<br />be performed as spedf~ed by the CDOT Envronmantal Program and shall be in accordance to CDOT speafications and guidelines.
<br />Contact Informatlon: Contact the CDOT Water Quali Pro ram Mana er at 303 757-9343.
<br />Spill Reporting -Spills shall be contained and cleaned up as soon as possible. Spills shall NOT be washed dovm into the storm
<br />drain or buried. All spills shall be reported to the CDOT Illicit Discharge Hotline at (303) 512-4446 (4H20), as well as the Regional
<br />Permitting Office and Regional Maintenance Supervisor. Spills on highways, into waterways, or that may otherwise present an
<br />immediate den r to the ublic shall be re rted b callin 911, and shall also be re rted to the CDPHE at 1- 877 518-5608.
<br />Transportation of Hazardous Materials - No person may offer or accept a hazardous material for transportation in commerce unless
<br />that person is registered in confomwnce with the United States Department of Transportation regulations at 49 CFR, Part 171. The
<br />hazardous material must be properly dassed, described, packaged, marked, labeled, and in condition for shipment as required or
<br />authorized by applicable requirements, or an exemption, approval or registration has been issued. Vehicles requiring a placard, must
<br />obtain authorization and a State HAZMAT Permit from the Colorado Public Utilities Commission. Contact Information: For
<br />authorization and more info call the Federal Motor Safety Carrier Administration, US DOT for inter- and infra-state HAZMAT
<br />Re istration 303 969-6748. Colorado Public Utilities Commission: 303 894-2868.
<br />About This Form -Questions or comments about this Information Summary may be directed to Dahir Egal, CDOT Safety 8 Traffic
<br />En ineerin ,Utilities Unit at 303 757-9344, dahir.eeal dot. state.co.us
<br />Environmental Clearances Information Summary Page 2 of 2 Colorado Department of Transportation Jan'O6
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