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See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. The U.S. Environmental Protection Agency (EPA) has granted primacy to Iowa to administer the federal drinking water protection rules under the Safe Drinking Water Act (SDWA). The state generally follows the federal rules under the SDWA for public water suppliers, including maximum contaminant levels (MCLs) for pollutants. Iowa requires that public water supply systems obtain both construction and operating permits, and the state also has permit requirements for private water wells.
As in other states, Iowa has a certification process for water treatment and water distribution system operators. An examination, along with education and on-the-job experience, is needed to obtain this certification.
• Administration and enforcement. The Iowa Department of Natural Resources Water Quality Bureau administers and enforces the drinking water program. The DNR conducts the public water supply program, provides grants to counties, and establishes minimum standards for the ...