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

COUNTY WATER-SYSTEM LEDGER

Madison, New York

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

Systems4active CWS · pop. 2,500+
Population served21,020reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Madison

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

Water systemPopulation servedPrimary sourceCurrent export status
Oneida CityNY260238111,393Surface waterNo current violation flagged
Hamilton VillageNY26023774,107Ground waterNo current violation flagged
Cazenovia VillageNY26023712,900Ground waterNo current violation flagged
Morrisville State CollegeNY26133192,620Ground waterNo current violation flagged

02 / SOURCE MIX

Surface water1 systems · 11,393 served
Ground water3 systems · 9,627 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.