Quick and easy access to recreational privileges in Iowa, including hunting, fishing, and specialty licenses:
Purchase Your Licenses Online
Buy your Hunting and Fishing license online today! We offer multi-year packages and combos for whatever you need to stay licensed.
Support conservation in Iowa by buying a natural resource plate for your vehicle.
Make your online reservation for state park cabins, camping sites and lodges.
Iowa DNR Customer Service
Mon - Fri, 8:00am - 4:30pm CST
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The Department of Natural Resources (DNR) conducted an informational survey on petroleum permeation of plastic water lines. The survey was comprised of an industry survey, DNR staff survey, and a states survey. The results of each survey are listed below.
The PowerPoint was presented at the 19th Annual National Tanks Conference and Expo in March, 2007.