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Denmark, NY Tap Water Quality 2026

Water quality report for Denmark, NY — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Denmark's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Copenhagen Village PWSID: NY2402361 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 4.50 ppb, 30% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Denmark earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 4.50 ppb — 30% of the federal action level
PFAS never sampled at this system
4 violations since 2015, 0 health-based
No violations currently open
Denmark's lead level vs. all New York community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 4.50 ppb — 30% of the federal action level
✓ Lower lead than 26% of New York utilities
Population Served
636
~260 connections
Water Source
Surface water
Groundwater under the direct influence of surface water — SDWIS source code GU
Active Violations
0
4 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
30% of EPA action level
4.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 4.50 ppb, 30% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2021 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2021 Archived
Radium-226 MONITORING AND REPORTING — — 2021 Archived
Radium-228 MONITORING AND REPORTING — — 2021 Archived
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

4 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Copenhagen Village
PWSID NY2402361
Water source Surface water — Groundwater under the direct influence of surface water — SDWIS source code GU
Population served 636
Service connections 260
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Denmark tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 4.50 ppb, 30% of the action level.
Does Denmark water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Denmark? ▼
Copenhagen Village (PWSID NY2402361), one of 2 systems serving this area. Surface water. Groundwater under the direct influence of surface water — SDWIS source code GU
When was this system last inspected? ▼
It was last inspected on 2021-11-10. No significant deficiencies were recorded.

What Should Denmark Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in New York

Lowville, Ny Tap Water Quality 2026 Lewis Croghan, Ny Tap Water Quality 2026 Lewis Port Leyden, Ny Tap Water Quality 2026 Lewis Lyons Falls, Ny Tap Water Quality 2026 Lewis West Turin, Ny Tap Water Quality 2026 Lewis Diana, Ny Tap Water Quality 2026 Lewis