Contaminant
FLUORIDE
Storet Code
951
Measured Amount
0.605
Units
MG/L
PWS Name
WILLIAMS BAY WATERWORKS
PWS ID
26500606
Zip
53191
PWS Type
Municipal community
Region
Southeast Region
County
Walworth
Population
2601
PWS Status
Active
Service Types
Village
Sampled Well Status
Active
Sample Date
8/24/2026
Sample Type
Compliance
Sample Source
Distribution System
Source ID
WI Unique Well No
Availability
Other
DNR Sample Group
FLUORIDE
Sample ID
863039001
Limit of Detection
.03
Limit of Quantification
.1
Analysis Method
LACHAT 10-109-12-2-A
Reporting Limit
Maximum Contaminant Limit (MCL)
4
MCL Units
MG/L
Lab ID
113133790
Lab Name
Wisconsin State Laboratory of Hygiene