North Fork Maquoketa River IA 01-NMQ-88
mouth (Jackson Co.) to confluence with Lytle Cr. S8 T85N R2E Jackson Co.
This is a Legacy Assessment. Prior to 2004, assessments were developed under a methodology that pre-dated the Integrated Report guidelines.
Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 01-NMQ-0010_1
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Not assessed
Documentation
Assessment Comments
290120 (21IOWA/DNR) just north of Maquoketa.
Basis for Assessment
One violation of chronic criterion for NH3 in 36 samples (March 8, 1993: 7.6 mg/l > chronic criterion of 3.09 mg/l but < acute criterion of 15.46 mg/l). Section 305(b) guidelines allow 1 violation of toxics in an abundant data set. Assess as FST due to known threats from NPS pollution.
Monitoring and Methods
Assessment Key Dates
Methods
| 230 | Fixed station physical/chemical (conventional plus toxic pollutants) |
Monitoring Levels
| Biological | 0 |
| Habitat | 0 |
| Physical Chemistry | 0 |
| Toxic | 0 |
| Pathogen Indicators | 0 |
| Other Health Indicators | 0 |
| Other Aquatic Life Indicators | 0 |
| # of Bio Sites | 0 |
| BioIntegrity | N/A |