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DES MOINES—The DNR is seeking public comment on proposed rules that will create two new general permits. The permits cover a variety of wastewater discharges to Iowa soils and streams.
The DNR will hold three public hearings across the state in March. DNR will present the latest information about proposed new requirements and take comments orally or in writing.
DNR plans to issue two new National Pollutant Discharge Elimination System (NPDES) general permits known as General Permit #8 (GP8) and General Permit #9 (GP9). GP8 allows for discharges of hydrostatic test water (water used to test the integrity of a pipe or tank), underground storage tank ballast water (water used to weight a tank to facilitate underground installation), and water associated with installation, repair, and replacement of potable water lines. GP9 allows for discharges from dewatering associated with construction and small residential geothermal heating and cooling systems.
The DNR is proposing to include eligibility criteria and Best Management Practices. These will ensure that discharges will comply with water quality standards. Most permittees will be automatically authorized to discharge. Only a few higher-risk dischargers will need to submit a Notice of Intent. There is no fee for GP8 or GP9.
The public is invited to attend the hearings:
1. Wednesday, Mar. 7, 4 p.m. at the Coralville Public Library, 1401 Fifth St., Coralville.
2. Thursday, Mar. 8, 4 p.m. at the Harlan Public Library, 718 Court St., Harlan.
3. Wednesday, Mar. 14, 4 p.m. at the Urbandale Public Library, 3520 86th St., Urbandale.
People may also file written comments on the proposed rulemaking on or before midnight on March 19. Written comments or questions regarding the proposed rulemaking should be directed to Wendy Hieb, Iowa Department of Natural Resources, NPDES Section, 502 E. Ninth St., Des Moines, Iowa 50309-0034; via fax at 515-725-8202; or via email at firstname.lastname@example.org.
More information can be found on the DNR’s website at: https://www.iowadnr.gov/Environmental-Protection/Water-Quality/NPDES-Wastewater-Permitting/NPDES-General-Permits.