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

COUNTY WATER-SYSTEM LEDGER

Hartford, Connecticut

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

Systems15active CWS · pop. 2,500+
Population served811,709reported total; may overlap
Current violation flag26.7%4 systems
Serious-violator flag6.7%1 systems

01 / SYSTEMS

Water systems serving Hartford

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
Ctwc - Northern Reg-Western SystemCT0473011101,313Surface waterOther current violation flag
New Britain Water DepartmentCT089001173,534Surface waterNo current violation flagged
Bristol Water DepartmentCT017001152,079Surface waterNo current violation flagged
Manchester Water DepartmentCT077002151,198Surface waterNo current violation flagged
Southington Water DepartmentCT131001143,069Surface waterNo current violation flagged
Hazardville Water CompanyCT049002118,544Ground waterNo current violation flagged
Aquarion-Plainville RegionalCT110001118,231Ground waterCurrent serious-violator flag
Ctwc - Unionville SystemCT052001114,693Surface water purchasedNo current violation flagged
Aquarion-Simsbury RegionalCT128002114,691Ground waterNo current violation flagged
Avon Water CoCT004001111,590Ground waterCurrent monitoring/reporting flag
Kensington Fire DistrictCT00700117,553Surface water purchasedNo current violation flagged
Ctwc - Naugatuck Reg-Collinsville SysCT02300116,324Surface waterNo current violation flagged
Berlin Water Control CommissionCT00700215,128Surface water purchasedCurrent health-based flag
Worthington Fire DistrictCT00700312,875Surface water purchasedNo current violation flagged

02 / SOURCE MIX

Surface water7 systems · 718,404 served
Ground water4 systems · 63,056 served
Surface water purchased4 systems · 30,249 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.