What is this stormwater notice about?

Clay County will seek permit coverage for stormwater from a bridge replacement discharging to the Little Sioux River.

Where can I review the Notice of Intent?

At the Iowa DNR, Environmental Protection Division offices in Des Moines during business hours.

How do I submit comments about this discharge?

Send comments to the Storm Water Discharge Coordinator, Iowa DNR, Environmental Protection Division, 502 E 9th Street, Des Moines, IA 50319-0034.

Public Hearing — Clay County

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Affects:General PublicGovernment Agencies

Clay County intends to file a Notice of Intent for NPDES General Permit No. 2 to cover stormwater discharge from bridge replacement on W. 18th St. over the Little Sioux River; the public may review and submit comments to Iowa DNR.

Key Takeaways

Notice of Intent filed for NPDES General Permit No. 2
Discharge from W. 18th St. bridge replacement into Little Sioux River
Public can review the Notice of Intent in Des Moines
Comments accepted by Iowa DNR Storm Water Coordinator

Published: May 19, 2026 · 2 days ago
Category: Public Hearing
City: Clay County

What to do next

1

Review the Notice of Intent

Visit the Iowa DNR Environmental Protection Division in Des Moines between 8:00 a.m. and 4:30 p.m., Monday through Friday to review the document.

2

Submit comments

Mail or deliver comments to the Storm Water Discharge Coordinator at 502 E 9th Street, Des Moines, IA 50319-0034 (no deadline specified in notice).

Frequently asked questions

What is this stormwater notice about?: Clay County will seek permit coverage for stormwater from a bridge replacement discharging to the Little Sioux River.
Where can I review the Notice of Intent?: At the Iowa DNR, Environmental Protection Division offices in Des Moines during business hours.
How do I submit comments about this discharge?: Send comments to the Storm Water Discharge Coordinator, Iowa DNR, Environmental Protection Division, 502 E 9th Street, Des Moines, IA 50319-0034.

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Legal terms in this notice

NPDES General Permit No. 2: A state permit allowing regulated stormwater discharges from construction activities to protect water quality.
Notice of Intent: A formal notice filed to seek coverage under a general permit for regulated discharges.
Receiving stream: The river, lake, or waterbody that will receive discharged stormwater.

Full Notice Text

PUBLIC NOTICE OFSTORM WATER DISCHARGEClay Co., IA plans to submit a Notice ofIntent to the Iowa Department of NaturalResources to be covered under the NPDESGeneral Permit No. 2 “Storm Water Dis-charge Associated with Industrial Activityfor Construction Activities”. The stormwater discharge will be from construc-tion related to the replacement of bridge(FHWA#116860) on W. 18th St. over LittleSioux River. The storm water discharge willbe located in SW SEC 2 T96N R37W SEC11 T96N R37W Both in Clay County, Iowa.Storm water will be discharged to the follow-ing receiving streams: Little Sioux River..Comments may be submitted to the StormWater Discharge Coordinator, IOWA DE-PARTMENT OF NATURAL RESOURC-ES, Environmental Protection Division, 502E 9th Street, Des Moines, IA 50319-0034.The public may review the Notice of Intentfrom 8:00 a.m. to 4:30 p.m., Monday throu