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PUBLIC WATER SYSTEM REPORT

Is ST PETERS PWS Water Safe to Drink in 2026?

Missouri · PWSID MO6010719 · Surface water

Population served
52,575
Cities served
ST. PETERS
State / jurisdiction
Missouri (MO)
PWSID
MO6010719
D-
TAP WATER GRADE
Poor
Model score 51/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
7 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFBA
10.6
—
Within / n/a
Unregulated (monitored)
PFHxA
5.9
—
Within / n/a
Unregulated (monitored)
PFPeA
5.9
—
Within / n/a
Unregulated (monitored)
PFOAregulated
4.9
4 ppt
Exceeds
Above health advisory

Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS

Official Consumer Confidence Report (CCR)

The official 2026 CCR for ST PETERS PWS has not yet been published on WaterCheckup.

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Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact ST PETERS PWSdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.

VIOLATIONS HISTORY (FEDERAL SNAPSHOT)

EPA’s national SDWA quarterly files associate 7 violation-related records with this system in the same reporting quarter as the public water system 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 ST PETERS PWS's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.

Clean water splash — certified water filter recommendations

Certified Filter Recommendations

Matched to what's actually in your water

TOP PICKS FOR ST PETERS PWS
⚠ EPA violations / contaminants in monitoring data
#1
Waterdrop G3P600 RO
EDITORS PICK
Waterdrop  ·  ~$439
Tankless 600 GPD, removes 99%+ PFAS & lead, 10-stage filtration. Smart faucet TDS display.
WHY THIS FOR ST PETERS PWS · Chosen for ST PETERS PWS because PFAS was detected at 10.6 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 7 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
#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 →
See all public water systems in Missouri →
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