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KNOTT CO WATER & SEWER DISTRICT vs LOUISVILLE WATER COMPANY

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

Quick Answer

Both utilities share the same risk level (safe). KNOTT CO WATER & SEWER DISTRICT has 0 open health-based violations and 87 PFAS records. LOUISVILLE WATER COMPANY has 0 open health-based violations and 174 PFAS records.

KNOTT CO WATER & SEWER DISTRICT

Kentucky · KY0600062

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

87

PFAS records

LOUISVILLE WATER COMPANY

Kentucky · KY0560258

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

174

PFAS records

Head-to-Head Comparison

MetricKNOTT CO WATER & SEWER DISTRICTLOUISVILLE WATER COMPANY
StateKentuckyKentucky
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served7,056764,769
Open Health Violations00
Total Violations01
PFAS Records87174
OwnershipLocalPrivate
Service TypeSurface waterSurface water
City Served

Contaminants in Violation Records

KNOTT CO WATER & SEWER DISTRICT

No named contaminants in violation records.

LOUISVILLE WATER COMPANY

  • Nitrate

Key Differences

KNOTT CO WATER & SEWER DISTRICT has 87 PFAS records vs. 174 for LOUISVILLE WATER COMPANY.

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 — KNOTT CO WATER & SEWER DISTRICT or LOUISVILLE WATER COMPANY?

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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