Iowa DNR
Iowa DNR
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Water Quality Assessments
Impaired Waters List

Lake Fisher IA 04-FOX-998

Davis County S19T69NR13W 2 miles NW of Bloomfield.

Assessment Cycle
2004
Result Period
2000 - 2002
Designations
Assessment Methodology
Assessment Type
Evaluated
Integrated Report
Category 2a
Trophic
Eutrophic
Trend
Stable
Legacy ADBCode
IA 04-FOX-00165-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Not assessed
Fish Consumption
Not assessed
Drinking Water
Threatened
Documentation
Assessment Comments

Assessment remains based on results of a 1995 UHL survey of water supply reservoirs.

Basis for Assessment

SUMMARY:  The Class B(LW) aquatic life uses remain "not assessed."  The Class C (drinking water) uses remain assessed (evaluated) as "fully supported / threatened" based on results of a 1995 UHL winter study of water supply reservoirs.  

EXPLANATION:  The Class B(LW) uses remain "not assessed" due to the lack of recent water quality information upon which to base an assessments.   This lake is not part of the ongoing (2000-04) statewide survey of 132 Iowa lakes conducted by Iowa State University.   The Class C (drinking water) uses remain assessed (evaluated) as "fully supported / threatened" based on results of sampling conducted by UHL in January 1995 (see assessment for the 1996 report above.   However, because these data are now considered too old (greater than five years) to accurately characterize current water quality conditions, the assessment category is changed from "monitored" (indicating an assessment with relatively high confidence) to "evaluated" (indicating an assessment with relatively low confidence).  

Fish consumption uses remain "not assessed" due to the lack of fish contaminant monitoring at this lake.

Monitoring and Methods
Assessment Key Dates
1/1/1995 Biological Monitoring
Methods
240 Non-fixed station physical/chemical (conventional + toxicants)
150 Monitoring data more than 5 years old
Monitoring Levels
Biological 0
Habitat 0
Physical Chemistry 2
Toxic 0
Pathogen Indicators 0
Other Health Indicators 0
Other Aquatic Life Indicators 0
# of Bio Sites 0
BioIntegrity N/A