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Dry hydrants

Waterway protection

Dry hydrant

A dry hydrant is a non-pressurized pipe permanently installed in existing lakes, ponds or streams. Typically a dry hydrant provides a supply of water for firefighters that use a pump truck to fill up a tanker truck that is used to fight fires.

Installing a dry hydrant in a waterway may not need any department permits at all if your project meets certain location and construction standards.

Do I Need a Permit?

This is a text link version of our dry hydrants interactive question and answer module. If you are seeing this message, you currently have JavaScript disabled or are in compatibility mode while using Internet Explorer. This text version is here to help you understand if you need a permit from the Wisconsin Department of Natural Resources for your dry hydrant project, and if so, which one. Please go through and answer each question. This will help you determine which permit you will need.

Question 1 :

Is the project located in a water body that is designated as an Area of Special Natural Resource Interest (ASNRI)?

If your answer is "Yes,” go to Question 2.

If your answer is "No,” go to Question 3.

If your answer is "I don't know,” :

You've answered I don't know:

Please use the designated waters tutorial to determine if your project is located in a water body that is designated as an Area of Special Natural Resource Interest (ASNRI).

Question 2 :

Most activities done in specially designated waters require authorization by the department. Will your dry hydrant project be located in a wetland or placed in a way that affects water flow into or out of a wetland? Will the installation of the dry hydrant result in any fill (permanent or temporary) in a floodway or a wetland?

If your answer is "Yes,” :

You've answered Yes:

Your proposed dry hydrant is not eligible for a general permit from the department. To apply for an individual permit, please visit the individual permits page.*Please note: WAMS ID and password needed to apply. If you do not have a WAMS ID, you must register for one prior to proceeding.

If your answer is "No,” :

You've answered No:

Based on your answer, you may be eligible for a general permit to place a dry hydrant.

To apply for a General Permit. Please visit the General permits page.*Please note: WAMS ID and password needed to apply. If you do not have a WAMS ID, you must register for one prior to proceeding.

If your answer is "I don't know,” :

You've answered I don't know:

Wetlands are not always obvious. Wisconsin has more than a dozen different types and some may be dry for most or all of the year. But all wetlands are protected by law and permits are required before you build on wetlands or otherwise affect them. Please visit the Locating wetlands page to learn more.

Question 3 :

If your project is not located in an ASNRI. You may qualify for an exemption. Will your Project be located within a Public Rights Feature?

If your answer is "No,” :

You've answered No:

Your project meets the locational standard to be exempt from need a permit. If you can meet the of the standards listed in the dry hydrant check-list [PDF] no department permit is needed.

If you are unsure if your project is exempt or not, feel free to submit an Exemption determination request form [PDF].

If your answer is "I don't know,” :

You've answered I don't know:

Please use the designated waters tutorial to determine if your project is located in a water body that is designated as an Area of Special Natural Resource Interest (ASNRI).

Exemptions

Laws

Applicable statutes and codes include Section 30.12, Wis. Stats. [PDF exit DNR] and Chapter NR 329, Wis. Adm. Code [PDF exit DNR].

Local permits and U.S. Army Corps of Engineers regulations may also apply. We advise you to contact your local zoning office and your regional U.S. Army Corps of Engineers office [exit DNR].

Sample drawings and other materials