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CARL JUNCTION PWS vs MO AMERICAN ST LOUIS ST CHARLES COUNTIES

Water quality comparison — risk levels, violations, PFAS records, and contaminants

Quick Answer

Both utilities share the same risk level (safe). CARL JUNCTION PWS has 0 open health-based violations and 406 PFAS records. MO AMERICAN ST LOUIS ST CHARLES COUNTIES has 0 open health-based violations and 696 PFAS records.

CARL JUNCTION PWS

Missouri · MO5010138

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

406

PFAS records

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

696

PFAS records

Head-to-Head Comparison

MetricCARL JUNCTION PWSMO AMERICAN ST LOUIS ST CHARLES COUNTIES
StateMissouriMissouri
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served8,1421,111,000
Open Health Violations00
Total Violations00
PFAS Records406696
OwnershipLocalPrivate
Service TypeGroundwaterSurface water
City ServedCarl Junction

Key Differences

CARL JUNCTION PWS has 406 PFAS records vs. 696 for MO AMERICAN ST LOUIS ST CHARLES COUNTIES.

What Should I Do?

If either utility shows open violations or elevated PFAS records, consider:

  • Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
  • Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
  • Ordering a certified lab water test if you want contaminant-specific data for your address.

Frequently Asked Questions

Which is safer — CARL JUNCTION PWS or MO AMERICAN ST LOUIS ST CHARLES COUNTIES?

Both utilities share the same risk level (safe). Both utilities have similar violation profiles — review the full data above to decide based on specific contaminants that concern you.

What does "open health-based violation" mean?

An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.

How current is this data?

Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.

What does PWSID mean?

PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.

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