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Iowa's natural resources plates include the state bird and flower, pheasant, eagle, buck and a Brook trout. Support conservation in Iowa by buying a natural resource plate for your vehicle.
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Experience Iowa's natural beauty and all the fun our state parks offer. Make your online reservation for state park cabins, camping sites, shelters and lodges.
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Corps of Engineers - Nationwide Permits
These 16 NWPs became effective on March 15, 2021 and will expire on March 14, 2026:
On June 1, 2020, EPA finalized the “Clean Water Act Section 401 Certification Rule” to implement the water quality certification process consistent with the text and structure of the Clean Water Act (CWA). The final rule establishes procedures that promote consistent implementation of CWA Section 401 and regulatory certainty in the federal licensing and permitting process. The final rule became effective on September 11, 2020. The 401 Rule requires a pre-filing meeting request and a §401 Water Quality Certification request (certification request).
Please Note:If your project can be authorized using a Corps of Engineers Nationwide Permit or a Regional Permit and is not on an Outstanding Iowa Water, the DNR has already certified those permits and a pre-filing meeting and certification request are not required.
Executive Order 13990 on Protecting Public Health and the Environment and Restoring Science to Tackle the Climate Crisis directed EPA to review and, as appropriate and consistent with applicable law, take action to revise or replace the 2020 Section 401 Certification Rule. Prior to the 2020 rule, EPA promulgated implementing regulations for water quality certification before the 1972 amendments to the Federal Water Pollution Control Act (commonly known as the Clean Water Act), which created section 401. More information is available at: www.epa.gov/cwa-401.
While EPA engages with stakeholders and develops a revised rule, the 2020 rule will remain in place.
Federal rule requires a minimum of 30 days after submitting the Pre-filing Meeting Request before submitting the certification request.
Send the pre-filing meeting request to Section401WQC@dnr.iowa.gov
More information is available at: 40 CFR 121.4.
IMPORTANT: When the certification request is submitted to the DNR, 40 CFR 121.5(a) requires applicants to concurrently submit their certification request to the Federal agency to which they are applying for a license or permit. It is recommended that applicants contact the Federal agency in advance for their submission requirements. It is important to only submit the certification request when you are certain that the project will not change due to comments received during all required public notice periods.
Section 401 Water Quality Pre-Filing Meeting and Certification Request Form and Instruction
Send the certification request to Section401WQC@dnr.iowa.gov
Public comments may be submitted via email to Section401WQC@dnr.iowa.gov or by mail to:
Notice Expiration Date: October 15, 2021
Notice Expiration Date: October 8, 2021
Notice Expiration Date: September 26, 2021
Notice Expiration Date: September 24, 2021
Chapter 61 Amended Notice of Intended Action - Section 401 Water Quality Certification
Notice Expiration Date: Expired
Regulatory Public Notices Rock Island District Corps of Engineers
Regulatory Public Notices Omaha District Corps of Engineers
Iowa Department of Natural Resources
Attn: Section 401 Water Quality Certification
Wallace State Office Building
502 E. 9th Street
Des Moines, IA 50319-0034
U.S. Department of the Army
Corps of Engineers, Rock Island District
Clock Tower Building – PO BOX 2004
Rock Island, IL 61204-2004
U.S. Department of the Army
Corps of Engineers, Omaha District
8901 South 154th Street
Omaha, NE 68138-3611
Iowa Administrative Code Chapter 61Water Quality Standards
Permit and Environmental Review Management Tool (PERMT)
Joint Application to Iowa DNR Flood Plain Management, Sovereign Lands/Environmental Review, and US Army Corps of Engineers 404 Permits
Outstanding Iowa Waters and the Outstanding Iowa Waters Map
Iowa’s River Restoration Toolbox
Iowa’s River Restoration Toolbox is a series of best management practices developed to assist designers in stream stabilization and restoration projects in Iowa with proven techniques with emphasis on incorporating natural materials, such as logs, stone, and live plantings. Among the dozens of techniques described in the Toolbox are longitudinal peaked stone toe protection, j-hook vanes, rock arch rapids, oxbows, riparian corridor restorations, and tree/shrub plantings. It delivers a consistent, relevant assessment method and reviewable design checklists to aid decision making among multidisciplinary teams (i.e. – restoration practitioner, engineer, project manager, funder, biologist, etc.). The toolbox also provides detailed drawings and specification requirements to make natural stabilization projects more biddable.
Iowa Department of Transportation Manuals
Natural Resources Conservation Service - Iowa