Iowa DNR
Iowa DNR
ADBNet
Water Quality Assessments
Impaired Waters List

Briggs Woods Lake IA 04-UDM-1255

Hamilton County S17T88NR25W near Webster City.

Assessment Cycle
1996
Result Period
1992 - 1994
Designations
Assessment Type
Monitored
Integrated Report
Category 0
Legacy ADBCode
IA 04-UDM-01880-L_0
Overall Use Support
Threatened
Aquatic Life Use Support
Threatened
Fish Consumption
Fully
Primary Contact Recreation
Threatened
Documentation
Assessment Comments

Basis for Assessment

Used assessments of support of the Class A primary contact recreation uses (=FST) and the Class B(LW) aquatic life uses (=FST) developed for the 1994 report.   In addition, used results of fish tissue monitoring conducted for the 1994 RAFT to assess support of fish consumption uses as FS:  levels of all contaminants in composite samples of channel catfish and largemouth bass were less than one-half of FDA action levels (=FS).

Monitoring and Methods
Assessment Key Dates
Methods
340 Primary producer surveys (phytoplankton/periphyton/macrophyton)
120 Surveys of fish and game biologists/other professionals
222 Non-fixed-station monitoring (conventional during key seasons and flows)
260 Fish tissue analysis
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