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CHENEY CITY OF vs SEATTLE PUBLIC UTILITIES

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

Quick Answer

SEATTLE PUBLIC UTILITIES has a lower risk classification (safe). CHENEY CITY OF has 0 open health-based violations and 0 PFAS records. SEATTLE PUBLIC UTILITIES has 0 open health-based violations and 0 PFAS records.

CHENEY CITY OF

Washington · WA5312400

Overall Risk Level

Low Concern

No Concern
Low
Moderate
High
Critical

Minor detections below regulatory limits. Routine monitoring adequate.

0

Open violations

0

PFAS records

SEATTLE PUBLIC UTILITIES

Washington · WA5377050

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

0

PFAS records

Head-to-Head Comparison

MetricCHENEY CITY OFSEATTLE PUBLIC UTILITIES
StateWashingtonWashington
Risk LevelLow ConcernNo Concerns Detected
Population Served16,9541,161,961
Open Health Violations00
Total Violations1081
PFAS RecordsNone detectedNone detected
OwnershipLocalLocal
Service TypeGroundwaterSurface water
City Served—Seattle

Contaminants in Violation Records

CHENEY CITY OF

  • Turbidity
  • Bromate

SEATTLE PUBLIC UTILITIES

No named contaminants in violation records.

Key Differences

CHENEY CITY OF has a low risk rating vs. safe for SEATTLE PUBLIC UTILITIES.

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 — CHENEY CITY OF or SEATTLE PUBLIC UTILITIES?

SEATTLE PUBLIC UTILITIES has a lower risk classification (safe). SEATTLE PUBLIC UTILITIES has 0 open health-based violations compared to 0 for the other system.

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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