Is CAPITOL WATER CORP Water Safe to Drink in 2026?
Idaho · PWSID ID4010022 · Ground water
Population served
9,000
Cities served
—
State / jurisdiction
Idaho (ID)
PWSID
ID4010022
F
TAP WATER GRADE
High risk
Model score 0/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
251 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
PFNAregulated
51.0
10 ppt
Exceeds
Above health advisory
PFOSregulated
9.8
4 ppt
Exceeds
Above health advisory
PFOAregulated
5.9
4 ppt
Exceeds
Above health advisory
PFHxSregulated
5.5
10 ppt
Within / n/a
MCL exceedance
PFPeA
5.4
—
Within / n/a
Unregulated (monitored)
PFHxA
5.2
—
Within / n/a
Unregulated (monitored)
PFBS
4.0
—
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 251 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 CAPITOL WATER CORP · Chosen for CAPITOL WATER CORP because PFAS was detected at 51 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 251 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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