On this page, you can search for different water quality standards and benchmarks for evaluating Indiana waters in different ways. If you know of a standard or benchmark that we don’t have in our library, please feel free to share it with us here.
Water Quality Standards
- Great Lakes Water Quality Initiative
- IDEM Indiana Storm Water Quality Manual
- Indiana 327 IAC 2-1-1 Water Quality Standards
- Indiana Water Quality Report
- USEPA Drinking Water Standards
- USEPA National Recommended Water Quality Criteria
- USEPA Quality Criteria for Water 1986 (“Gold Book”)
- Water Quality Standards: USEPA Indiana Region 5