On June 9, 2025, Region 10 filed an Expediate Settlement Agreement resolving violations of the National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permit for Stormwater Discharges Associated with Construction Activity by Delridge Arco AM PM, located in Seattle, Washington. Alleged violations include missing information in the storm water pollution prevention plan (SWPPP), failure to modify the SWPPP, missing information on the inspection reports, and failure to maintain best management practices. The Respondent has agreed to pay penalty of $3,180 and has returned to compliance. The estimated cost of injunctive relief is $500.