Permit
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DO meter calibration
Calibration of the DO meter is arguably the most critical aspect of BOD testing, since we measure the consumption of dissolved oxygen (DO). While calibration may be the center of the DO measurement universe, calibration is in turn impacted by both…
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BOD Basics
Five-day test The BOD test originated in the United Kingdom due to pollution in the London area along the Thames River. They found that sewage dumped in the Thames River took five days to reach the ocean, hence the five-day incubation period. The…
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What to look for when purchasing a property
There are many issues to consider when purchasing a property. Depending on the size and scope of the property, and the final plans for use of the land and/or buildings, a new owner may run into multiple programs within the DNR that have rules…
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Waterway and wetland permits
This page connects you directly to information from the program. If your proposed or existing facility is near surface waters or wetlands, a permit may be required. Please review the web page, Waterway protection. When finished reviewing, please use…
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Water supply
When starting a small business, you will need to consider all of your water needs. This can include any basic services such as restroom facilities (toilets, sinks, showers), breakrooms (coffeemakers, sinks) or fire suppression (sprinkler systems,…
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Wastewater
For information about wastewater, please see the Wastewater Wisconsin Pollutant Discharge Elimination System (WPDES) Permit Program. When finished reviewing, please use your browser's back button to return to this page and continue on to Solid Waste…
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Storm water management (construction and industrial)
1. Are you a new commercial business? A commercial business is one that purchases goods wholesale and operates a retail location where they sell directly to the public. Examples include:
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Solid Waste - Identify your wastes
Identify and inventory all your "wastes" (see definition below).WastesA waste is defined as any liquid, solid or gaseous material that can no longer be used for its originally intended purpose. A waste can also be defined as any material which is…
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Solid waste - What is a waste?
The Wisconsin statutes define waste quite broadly. A waste is any liquid, solid, or gaseous material that can no longer be used for its originally intended purpose because it has become contaminated or has been used in some process. A waste is also…
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Construction and long term storm water management
This page was designed to show some methods used to control erosion before, during and after construction and to review some long term storm water management methods installed prior to your business operations. Before reading the following essay,…