Contaminant
ARSENIC
Storet Code
1002
Measured Amount
0.0019
Units
MG/L
PWS Name
MOUNT CALVARY WATERWORKS
PWS ID
42004743
Zip
53057
PWS Type
Municipal community
Region
Northeast Region
County
Fond du Lac
Population
478
PWS Status
Active
Service Types
Village
Sampled Well Status
Active
Sample Date
4/15/2026
Sample Type
Compliance
Sample Source
Entry Point
Source ID
2
WI Unique Well No
BF819
Availability
Permanent
DNR Sample Group
IOC
Sample ID
CE03804-04
Limit of Detection
.0011
Limit of Quantification
.0037
Analysis Method
200.8/6020B Total Ar
Reporting Limit
Maximum Contaminant Limit (MCL)
0.010
MCL Units
MG/L
Lab ID
721026460
Lab Name
Northern Lake Service Inc. (Crandon)