D27/100
JOHNSON CITY WATER WORKS — Water Quality Report 2026
Serving 16,578 people · New York
Water Source
Groundwater
County
—
System ID
NY0301668
Violations
56
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 308.00 µg/L | — | Above Goal |
1,4-dioxane | 0.730 µg/L | — | Above Goal |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 JOHNSON CITY WATER WORKS
Is JOHNSON CITY WATER WORKS water safe to drink?
JOHNSON CITY WATER WORKS water receives a grade of D (27/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 56 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has JOHNSON CITY WATER WORKS detected?
66 contaminants were tested in JOHNSON CITY WATER WORKS's water. Notable contaminants include Lead (90th percentile), chlorate, 1,4-dioxane. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does JOHNSON CITY WATER WORKS have any EPA violations?
Yes, JOHNSON CITY WATER WORKS has 56 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL. 2 are health-based violations.
How many people does JOHNSON CITY WATER WORKS serve?
JOHNSON CITY WATER WORKS serves approximately 16,578 people, New York. The system provides water to 1 community: Johnson City (V).
What type of water does JOHNSON CITY WATER WORKS provide?
JOHNSON CITY WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NY0301668.
How does JOHNSON CITY WATER WORKS compare to other utilities in New York?
JOHNSON CITY WATER WORKS scores 27/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our New York state page for a full comparison of water systems.