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National Pollutant Discharge Elimination System Notice Date: 8/14/2025 The Iowa Department of Natural Resources is proposing to approve an application for reissuance of an NPDES (National Pollutant Discharge Elimination System) permit for the discharges described below: DISCHARGER NAME AND ADDRESS: GILBERT, CITY OF STP 17492 GW CARVER AVEUNE GILBERT, IOWA 50105-0029 LOCATION: Township: 84 Range: 24 Section: 9 County: Story DESCRIPTION OF DISCHARGES 002 DISCHARGE FROM AN ADVANCED AERATED LAGOON WASTEWATER TREATMENT FACILITY. RECEIVING STREAM: UNNAMED CREEK Stabilized sludge is applied to local land according to state regulations. Anyone wishing to comment on or object to the proposed issuance of this permit must do so in writing within thirty (30) days of the date shown at the top of this notice. All comments received will be considered in the final determination. If no objections are received within thirty (30) days, the Department will issue a final permit. You may request the Department hold a public hearing by submitting a request stating specific reasons why a hearing should be held. Comments, objections, and requests for hearings may be submitted to the permit writer at the email address below. The proposed permit and other information may be viewed online using the Wastewater Permit Information Exchange (WWPIE) system at In addition, copies of this information may be requested by contacting Ryan Olive at (515) 452-6235 or e-mail at [EMAIL REDACTED].