Contaminant
FLUORIDE
Storet Code
951
Measured Amount
0.2
Units
MG/L
PWS Name
HATLEY WATERWORKS
PWS ID
73712562
Zip
54440-0099
PWS Type
Municipal community
Region
West Central Region
County
Marathon
Population
595
PWS Status
Active
Service Types
Village
Sampled Well Status
Active
Sample Date
6/2/2026
Sample Type
Compliance
Sample Source
Entry Point
Source ID
1
WI Unique Well No
AR339
Availability
Permanent
DNR Sample Group
IOC
Sample ID
CE05759-01
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)