Contaminant
COPPER
Storet Code
1042
Measured Amount
70.7
Units
UG/L
PWS Name
ST CROIX IMPROVEMENTS
PWS ID
64802441
Zip
54021
PWS Type
Other than Municipal, community
Region
West Central Region
County
Pierce
Population
175
PWS Status
Active
Service Types
Subdivision
Sampled Well Status
Active
Sample Date
9/15/2026
Sample Type
Compliance
Sample Source
Distribution System
Source ID
WI Unique Well No
Availability
Other
DNR Sample Group
PBCU
Sample ID
866284001
Limit of Detection
3
Limit of Quantification
15
Analysis Method
EPA 200.7
Reporting Limit
Maximum Contaminant Limit (MCL)
MCL Units
UG/L
Lab ID
113133790
Lab Name
Wisconsin State Laboratory of Hygiene