Surface Water Ecological Benchmarks

A number of different benchmarks are available for surface water. These include:

• Canadian WQG

• EC20 Daphnids

• EC20 Fish

• EC25 Bass Population

• EC20 Sensitive Species

• EPA Region 4- Acute

• EPA Region 4- Chronic

• EPA Region 5 EDQLs - SW

• LCV Aquatic Plants

• LCV Daphnids

• LCV Fish

• LCV Non-Daphnid Inverts

• NAWQC- Acute

• NAWQC- Chronic

• Tier II SAV

• Tier II SCV