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Wetlands in North Dakota

See mapped wetlands and who to ask before filling or building near one.

North Dakota drain permits

Explains who permits drainage in North Dakota: the Department of Water Resources and local water resource districts. A surface drain permit is needed to drain a pond, slough or lake with a watershed of 80 acres or more, and water resource districts permit tile systems of 80 acres or more. Phone 701-328-4956.

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About wetlands

Wetland maps help identify areas that may need further review before filling, draining, or building. Use the relevant state and local environmental offices for permit guidance; a mapped boundary is a screening reference.