Contaminant
FLUORIDE
Storet Code
951
Measured Amount
0.24
Units
MG/L
PWS Name
LAKE COMO SANITARY DIST 1
PWS ID
26515368
Zip
53147
PWS Type
Municipal community
Region
Southeast Region
County
Walworth
Population
3038
PWS Status
Active
Service Types
Town
Sampled Well Status
Active
Sample Date
8/25/2026
Sample Type
Compliance
Sample Source
Entry Point
Source ID
100
WI Unique Well No
Availability
Permanent
DNR Sample Group
IOC
Sample ID
CE09733-01
Limit of Detection
.093
Limit of Quantification
.31
Analysis Method
300.0 Fluoride by IC
Reporting Limit
Maximum Contaminant Limit (MCL)
4
MCL Units
MG/L
Lab ID
721026460
Lab Name
Northern Lake Service Inc. (Crandon)