C59/100
TARRYTOWN WATER SUPPLY — Water Quality Report 2026
Serving 11,000 people · New York
Water Source
Purchased Surface Water
County
—
System ID
NY5903461
Violations
26
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
3
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – December 20, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2021 – November 30, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About TARRYTOWN WATER SUPPLY
Is TARRYTOWN WATER SUPPLY water safe to drink?
TARRYTOWN WATER SUPPLY water receives a grade of C (59/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 26 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has TARRYTOWN WATER SUPPLY detected?
69 contaminants were tested in TARRYTOWN WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does TARRYTOWN WATER SUPPLY have any EPA violations?
Yes, TARRYTOWN WATER SUPPLY has 26 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, MCL, MON. 3 are health-based violations.
How many people does TARRYTOWN WATER SUPPLY serve?
TARRYTOWN WATER SUPPLY serves approximately 11,000 people, New York. The system provides water to 1 community: Tarrytown (V).
What type of water does TARRYTOWN WATER SUPPLY provide?
TARRYTOWN WATER SUPPLY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NY5903461.
How does TARRYTOWN WATER SUPPLY compare to other utilities in New York?
TARRYTOWN WATER SUPPLY scores 59/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our New York state page for a full comparison of water systems.