Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Riverton IA 05-NSH-1413

Fremont County S19T68NR41W 1 mi. NW of Riverton.

Assessment Cycle
2000
Result Period
1996 - 1998
Designations
Assessment Methodology
Assessment Type
Evaluated
Integrated Report
Category 0
Legacy ADBCode
IA 05-NSH-0015-L_0
Overall Use Support
Partial
Aquatic Life Use Support
Partial
Fish Consumption
Not assessed
Documentation
Assessment Comments

Assessment based on reports by IDNR Wildlife Bureau.

Basis for Assessment

SUMMARY:  Continued to assess support of the aquatic life uses as "partially supported."  Other beneficial uses remain "not assessed."  EXPLANATION:  The previous (1998) assessment of support of the aquatic life uses ("partially supported") was reviewed and approved by the DNR Wildlife Bureau in 2000.

Monitoring and Methods
Assessment Key Dates
Methods
120 Surveys of fish and game biologists/other professionals
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
Causes and Sources of Impairment
Causes Use Support Cause Magnitude Sources Source Magnitude
Siltation Overall Use Support Not Impairing
  • Agriculture
  • Bank or Shoreline Modification/Destabilization
  • Natural Sources
  • Not Impairing
  • Not Impairing
  • Not Impairing
Siltation Aquatic Life Support Not Impairing
  • Agriculture
  • Bank or Shoreline Modification/Destabilization
  • Natural Sources
  • Not Impairing
  • Not Impairing
  • Not Impairing