When your city is on the river, flood protection is crucial. That's why news of flood protection is particularly good news for one major Eastern Iowa city. Waterloo's Levee System is Fully ActiveThe City of Waterloo is celebrating a major milestone in flood protection. The U.S. Army Corps of Engineers has confirmed that the city’s levee system is fully active once again and eligible for federal flood protection programs. Our residents can rest easier knowing the Cedar River levees are strong, certified, and backed by federal protection.