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Poestenkill, NY Tap Water Quality 2026

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

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

Main Utility: Poestenkill Wd#1 PWSID: NY4130338 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.00 ppb, 13% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

C

Poestenkill earns a C for water quality

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

Lead: 2.00 ppb — 13% of the federal action level
PFAS sampled, too few results to judge
5 violations since 2015, 4 health-based
No violations currently open
Poestenkill's lead level vs. all New York community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.00 ppb — 13% of the federal action level
✓ Lower lead than 65% of New York utilities
Population Served
222
~338 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
5 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
13% of EPA action level
2.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.00 ppb, 13% 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
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
TTHM MCL EXCEEDANCE 88.875 UG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 83.275 UG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 86.5 NG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 81.175 MG/L 0.080 mg/L 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

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

About the Main Water System

Utility Poestenkill Wd#1
PWSID NY4130338
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 222
Service connections 338
Systems serving this area 4
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Poestenkill tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.00 ppb, 13% of the action level.
Does Poestenkill water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Poestenkill? ▼
Poestenkill Wd#1 (PWSID NY4130338), one of 4 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-12-11. Inspectors recorded 1 significant deficiency.

What Should Poestenkill 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.

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