D27/100
Johnson City Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 16,578 residents · New York
What's In Johnson City's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
3
Above EPA Goals
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
Water Utility Details
JOHNSON CITY WATER WORKS
Population Served
16,578
Water Source
Groundwater
System ID
NY0301668
Frequently Asked Questions About Johnson City Water
Is Johnson City tap water safe to drink?
Johnson City, New York tap water receives a grade of D (27/100), which is considered poor. 0 contaminant(s) exceed EPA maximum contaminant levels and 56 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Johnson City's water?
Of the 66 contaminants tested in Johnson City's water supply, the most notable include Lead (90th percentile), chlorate, 1,4-dioxane. No contaminants exceed EPA legal limits. 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Johnson City have any water quality violations?
Yes, Johnson City has 56 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL. 2 of these are health-based violations, which are the most serious category.
Do I need a water filter in Johnson City?
Johnson City water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 3 contaminant(s) exceed these stricter goals.
Where does Johnson City's tap water come from?
Johnson City's drinking water is sourced from groundwater and supplied by JOHNSON CITY WATER WORKS. The system serves approximately 16,578 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Johnson City's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Johnson City's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Johnson City's water compare to other cities in New York?
Johnson City's water quality score of 27/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our New York state page to see how all cities in the state compare.
What should I do if I'm concerned about Johnson City's water quality?
If you have concerns about Johnson City's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (JOHNSON CITY WATER WORKS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.