Contaminant
NITRATE-NITRITE (N03+N02)
Storet Code
630
Measured Amount
1.8
Units
MG/L
PWS Name
RIB MOUNTAIN WATER UTILITY
PWS ID
73706600
Zip
54401
PWS Type
Municipal community
Region
West Central Region
County
Marathon
Population
6398
PWS Status
Active
Service Types
Town
Sampled Well Status
Active
Sample Date
5/12/2026
Sample Type
Compliance
Sample Source
Entry Point
Source ID
3
WI Unique Well No
DG455
Availability
Permanent
DNR Sample Group
IOC
Sample ID
CE04910-07
Limit of Detection
Limit of Quantification
Analysis Method
Calc- N+N by IC (unf
Reporting Limit
Maximum Contaminant Limit (MCL)
10
MCL Units
MG/L
Lab ID
721026460
Lab Name
Northern Lake Service Inc. (Crandon)