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PUBLIC WATER SYSTEM REPORT

Is COVIA HOLDINGS CORPORATION Water Safe to Drink in 2026?

Wisconsin · PWSID WI6420801 · Ground water

Population served
70
Cities served
TOMAH
State / jurisdiction
Wisconsin (WI)
PWSID
WI6420801
D
TAP WATER GRADE
Poor
Model score 49/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
8 violation record(s) in the latest EPA SDWA quarterly snapshot

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CONTAMINANTS — EPA UCMR5 MONITORING

No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).

VIOLATIONS HISTORY (FEDERAL SNAPSHOT)

EPA’s national SDWA quarterly files associate 8 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.

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WHAT TO DO ABOUT IT

Based on COVIA HOLDINGS CORPORATION's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.

TOP PICKS FOR COVIA HOLDINGS CORPORATION
⚠ EPA violations / contaminants in monitoring data
#1
Waterdrop G3P800 RO
EDITORS PICK
Waterdrop  ·  ~$849
Tankless 800 GPD, removes 99%+ PFAS & lead, 10-stage filtration. Smart faucet TDS display.
WHY THIS FOR COVIA HOLDINGS CORPORATION · Chosen for COVIA HOLDINGS CORPORATION because EPA’s SDWA snapshot shows active violation records. RO addresses a wide range of regulated contaminants, not just chlorine taste.
#2
Aquasana SmartFlow RO
MOST CERTIFIED
Aquasana  ·  ~$449
WQA Gold Seal + NSF 42/53/58/401. Most certifications of any under-sink RO. Removes 90+ contaminants.
#3
AquaTru Under-Sink RO
EASIEST FILTER CHANGE
AquaTru  ·  ~$375
NSF 42/53/58 certified. Quick-change filters, no tools. Compact tankless design, 4-stage filtration.
Not sure which filter is right for you? Take the 3-question quiz →
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STAY INFORMED
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