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Sleepy Hollow Lake, NY Tap Water Quality 2026

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

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

Main Utility: Sleepy Hollow Lake Water Co. PWSID: NY1915264 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.10 ppb, 7% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Sleepy Hollow Lake earns a B for water quality

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

Lead: 1.10 ppb — 7% of the federal action level
PFAS never sampled at this system
18 violations since 2015, 15 health-based
No violations currently open
Sleepy Hollow Lake's lead level vs. all New York community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.10 ppb — 7% of the federal action level
✓ Lower lead than 85% of New York utilities
Population Served
950
~660 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
18 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.10 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.10 ppb, 7% 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
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
TTHM MCL EXCEEDANCE 81.4 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 89.7 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 91.2 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 80.9 UG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 60.9 UG/L 0.060 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 64.4 UG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 81.4 UG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 64.1 UG/L 0.060 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 60.54 UG/L 0.060 mg/L 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
TTHM MCL EXCEEDANCE 96.6 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 97.9 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 99.2 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 100.48 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 88.7 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 87.8 UG/L 0.080 mg/L 2015 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

18 violations are on record since 2015, of which 15 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Sleepy Hollow Lake Water Co.
PWSID NY1915264
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 950
Service connections 660
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Sleepy Hollow Lake tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.10 ppb, 7% of the action level.
Does Sleepy Hollow Lake 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 Sleepy Hollow Lake? ▼
Sleepy Hollow Lake Water Co. (PWSID NY1915264). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-09-18. No significant deficiencies were recorded.

What Should Sleepy Hollow Lake 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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