States ›New Hampshire ›Coos County ›Lancaster

Lancaster, NH Tap Water Quality 2026

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

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

Main Utility: Lancaster Water Dept PWSID: NH1291010 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead has not been reported for this system and no violations are open. PFAS has never been sampled at this system.

B

Lancaster earns a B for water quality

Graded on violations alone, with state inspection findings. PFAS not tested. Lead not reported.

Lead: not reported
PFAS never sampled at this system
3 violations since 2015, 3 health-based
No violations currently open
Lancaster's lead level vs. all New Hampshire community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: — 0% of the federal action level
✓ Lower lead than % of New Hampshire utilities
Population Served
2535
~934 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
3 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Action level: 15 ppb
No lead result has been reported for this system in the current window. That is a gap in state reporting, not a finding of safety.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.094 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.064 MG/L 0.060 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.063 MG/L 0.060 mg/L 2017 Resolved
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

3 violations are on record since 2015, of which 3 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lancaster Water Dept
PWSID NH1291010
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 2,535
Service connections 934
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Lancaster tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Lancaster 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 Lancaster? ▼
Lancaster Water Dept (PWSID NH1291010). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-10-08. No significant deficiencies were recorded.

What Should Lancaster 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 Hampshire

Berlin, Nh Tap Water Quality 2026 Coos Gorham, Nh Tap Water Quality 2026 Coos Whitefield, Nh Tap Water Quality 2026 Coos Northumberland, Nh Tap Water Quality 2026 Coos Whitefield, Nh Tap Water Quality 2026 Coos Colebrook, Nh Tap Water Quality 2026 Coos