Is RIB MOUNTAIN WATER UTILITY Water Safe to Drink in 2026?
Wisconsin · PWSID WI7370660 · Ground water
Population served
6,398
Cities served
WAUSAU
State / jurisdiction
Wisconsin (WI)
PWSID
WI7370660
F
TAP WATER GRADE
High risk
Model score 6/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
10 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
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CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFPeA
23.0
—
Within / n/a
Unregulated (monitored)
PFBA
16.0
—
Within / n/a
Unregulated (monitored)
PFOSregulated
9.4
4 ppt
Exceeds
Above health advisory
PFHxSregulated
9.2
10 ppt
Within / n/a
MCL exceedance
PFHxA
5.9
—
Within / n/a
Unregulated (monitored)
PFOAregulated
5.2
4 ppt
Exceeds
Above health advisory
PFBS
3.8
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 10 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
WHY THIS FOR RIB MOUNTAIN WATER UTILITY · Chosen for RIB MOUNTAIN WATER UTILITY because PFAS was detected at 23 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 10 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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