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NPDES National Pollutant Discharge Elimination System Stormwater Quality
Regulations
Stormwater runoff from construction activities can have a
significant impact on water quality. As stormwater flows over a construction
site, it picks up pollutants like sediment, construction debris, and chemicals
such as gas, fertilizer, and paint. Polluted stormwater runoff can harm or
kill fish and other wildlife. Sedimentation can destroy aquatic habitat and
high volumes of runoff can cause stream bank erosion. H2O Joe & Flo – For Kids
Construction
Site Operator Education
Prior to obtaining a City of Thornton construction permit from Community Development, the owner/contractor must obtain a Colorado Department of Public Health and Environment Stormwater Discharges Associated with Construction Activity Permit Application. Under current regulations, this permit application covers construction sites disturbing one or more acres that include construction activities such as clearing, grading, excavation, and other ground disturbance activities.
Please click on the link below to access the Colorado Department of Public Health and Environment's website where more information can be obtained
Colorado Department of Public Health and Environment
The City of Thornton has composed its NPDES Phase II program in
conjunction with the States Rules and Regulations.
The
Stormwater Phase II Permit requires the City of Thornton to implement six minimum control measures over the
period of 2003 - 2008. These
minimum control measures are as follows:
§
Public Education and Outreach
§
Public Participation and
Involvement
§
Illicit Discharge Detection
and Elimination
§
Construction
Site Runoff Control
§
Post
Construction Site Runoff Control
§
Pollution
Prevention/Good Housekeeping Please
direct any questions pertaining to
Construction
Site Operator Education 2007/2008
Stormwater Management and Erosion Control Classes Stormwater Management and Erosion
Control Course Schedule Stormwater Management and Erosion
Control Course
Illegal
Dumping and Illicit Discharges
Illegal dumping and illicit
discharges may result in rain and flood water being diverted into areas
designed for drainage.
Trash, grass clippings, fertilizer, pet waste, paint
products, motor oil, and other chemicals can be picked up by rainwater flow
and are deposited into the storm drain system. Illegal dumping is against the
law! Illegal dumping and illicit discharges are a major cause of
stormwater pollution. Public witness complaints provide the most common source
of information. For questions pertaining to illicit discharges, please call
720-977-6256. To report Illegal
Dumping or Illicit Discharges please fill out the Code Violation Form at
the City Development Department (3rd floor, 9500 Civic Center Dr., Thornton,
CO). You may also send an email to code@cityofthornton.net or call 303-538-7517. When a complaint is received, Code Compliance investigates
the claim, and when possible, assembles evidence for prosecution. The case is
then released to the appropriate city, county, or federal authorities.
Recognizing Illegal
Dumping or Illicit Discharges The following information is designed to assist you in
recognizing potential illegal dumping or illicit discharges into the storm
drain system. What Types of Discharges to the Storm Drain System are
Prohibited? It shall be unlawful for any person
to discharge or cause to be discharged into the storm drain system of the City
any polluting material or any other material which is not composed entirely of
stormwater, except for items listed under Permissible Discharges. Examples
of Prohibited Discharges to the Storm Drain System:
Permissible
Discharges:
into the storm drain system Indications
of Illegal Dumping or Illicit Discharges to the Storm Drain System:
Meet
H2O Joe and his friend Flo!
Keep
it clean, ‘cause we’re all downstream! H2O Joe and
Flo have these fun water worksheets to complete and learn about water! Click
on the one you want to download.
Look for the following H20 Joe and Flo Bus Shelter Ads in your
neighborhood! Fertilizer
Pet Waste, Oil, and Leaves
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