COUNTY WATER-SYSTEM LEDGER
Columbia, 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.
Systems2active CWS · pop. 2,500+
Population served10,800reported total; may overlap
Current violation flag0.0%0 systems
Serious-violator flag0.0%0 systems
01 / SYSTEMS
Water systems serving Columbia
Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.
| Water system | Population served | Primary source | Current export status |
|---|---|---|---|
| Hudson CityNY1000239 | 6,750 | Surface water | No current violation flagged |
| Greenport Wd No1NY1000238 | 4,050 | Ground water | No current violation flagged |
02 / SOURCE MIX
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.