Contaminant
FLUORIDE
Storet Code
951
Measured Amount
0.735
Units
MG/L
PWS Name
RIO WATERWORKS
PWS ID
11101112
Zip
53960
PWS Type
Municipal community
Region
South Central Region
County
Columbia
Population
1095
PWS Status
Active
Service Types
Village
Sampled Well Status
Active
Sample Date
3/2/2026
Sample Type
Compliance
Sample Source
Distribution System
Source ID
WI Unique Well No
Availability
Other
DNR Sample Group
FLUORIDE
Sample ID
834599001
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
