EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

CITY WATER-SYSTEM LEDGER

Farmington, Connecticut

Compare active community water systems serving this city in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems5active CWS · pop. 2,500+
Population served508,935reported total; may overlap
Current violation flag40.0%2 systems
Serious-violator flag20.0%1 systems

01 / SYSTEMS

Water systems serving Farmington

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
Metropolitan District CommissionCT0640011390,887Surface waterNo current violation flagged
New Britain Water DepartmentCT089001173,534Surface waterNo current violation flagged
Aquarion-Plainville RegionalCT110001118,231Ground waterCurrent serious-violator flag
Ctwc - Unionville SystemCT052001114,693Surface water purchasedNo current violation flagged
Avon Water CoCT004001111,590Ground waterCurrent monitoring/reporting flag

02 / SOURCE MIX

Surface water2 systems · 464,421 served
Ground water2 systems · 29,821 served
Surface water purchased1 systems · 14,693 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.