LENEXA, Kan. (Legal Newsline) — The U.S. Environmental Protection Agency (EPA) has announced that its Region 7 reached a proposed administrative settlement with North Cascade Road Developers LLC after allegations the company violated Section 402 of the Clean Water Act (CWA) at its Timber Hyrst Estates residential development in Dubuque, Iowa.

North Cascade Road Developers will pay $50,000 in civil penalties.


EPA recently conducted a stormwater inspection of the Timber Hyrst Estates residential development to determine if it complies with the site’s National Pollution Discharge System (NDPES) permit. According to EPA, the site violated CWA in a multitude of ways, including failing to develop and implement a proper Stormwater Pollution Prevention Plan.


When a site like the Timber Hyrst Estates development fails to have proper stormwater controls in place, sediment can migrate into nearby water sources, causing potential issues. The Clean Water Act seeks to protect these bodies of water and therefore has rules in place that mandate how construction sites limit pollution discharged via stormwater.


The proposed settlement will undergo a public comment period for 40 days before being finalized. The proposed settlement was reached before the filing of a formal administrative complaint.

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