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AQUARION-VALLEY vs REGIONAL WATER AUTHORITY

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

Quick Answer

Both utilities share the same risk level (safe). AQUARION-VALLEY has 0 open health-based violations and 265 PFAS records. REGIONAL WATER AUTHORITY has 0 open health-based violations and 297 PFAS records.

AQUARION-VALLEY

Connecticut · CT1240011

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

265

PFAS records

REGIONAL WATER AUTHORITY

Connecticut · CT0930011

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

297

PFAS records

Head-to-Head Comparison

MetricAQUARION-VALLEYREGIONAL WATER AUTHORITY
StateConnecticutConnecticut
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served13,080418,900
Open Health Violations00
Total Violations258
PFAS Records265297
OwnershipPrivateLocal
Service TypeSurface waterSurface water
City Served

Contaminants in Violation Records

AQUARION-VALLEY

  • Nitrate

REGIONAL WATER AUTHORITY

  • Nitrate
  • Bromate

Key Differences

AQUARION-VALLEY has 265 PFAS records vs. 297 for REGIONAL WATER AUTHORITY.

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 — AQUARION-VALLEY or REGIONAL WATER AUTHORITY?

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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