Contaminant
COPPER
Storet Code
1042
Measured Amount
556
Units
UG/L
PWS Name
ONALASKA WATERWORKS
PWS ID
63203272
Zip
54650
PWS Type
Municipal community
Region
West Central Region
County
La Crosse
Population
18000
PWS Status
Active
Service Types
City
Sampled Well Status
Active
Sample Date
8/20/2025
Sample Type
Investigation
Sample Source
Distribution System
Source ID
WI Unique Well No
Availability
Other
DNR Sample Group
PBCU
Sample ID
25H0525-01
Limit of Detection
46
Limit of Quantification
Analysis Method
3111B
Reporting Limit
Maximum Contaminant Limit (MCL)
MCL Units
UG/L
Lab ID
632021390
Lab Name
Davy Laboratories
