B77/100
Canandaigua Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 23,267 residents · New York
What's In Canandaigua's Tap Water?
70
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 27.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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
CANANDAIGUA CITY
Population Served
11,264
Water Source
Surface Water
System ID
NY3401150
HOPEWELL CONSOLIDATED WD #2
Population Served
1,615
Water Source
Purchased Surface Water
System ID
NY3401182
HOPEWELL CONS WD 1
Population Served
3,781
Water Source
Purchased Surface Water
System ID
NY3411948
CANANDAIGUA TOWN CONS. WD
Population Served
6,607
Water Source
Purchased Surface Water
System ID
NY3430008
Frequently Asked Questions About Canandaigua Water
Is Canandaigua tap water safe to drink?
Canandaigua, New York tap water receives a grade of B (77/100), which is considered good. Out of 70 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Canandaigua's water?
Of the 70 contaminants tested in Canandaigua's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Canandaigua have any water quality violations?
Yes, Canandaigua has 50 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, TT, RPT. 5 of these are health-based violations, which are the most serious category.
Do I need a water filter in Canandaigua?
Based on EPA data, using a water filter in Canandaigua is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Canandaigua's tap water come from?
Canandaigua's drinking water is sourced from surface water and supplied by CANANDAIGUA CITY and 3 other water system(s). The system serves approximately 23,267 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Canandaigua'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. Canandaigua'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 Canandaigua's water compare to other cities in New York?
Canandaigua's water quality score of 77/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our New York state page to see how all cities in the state compare.
What should I do if I'm concerned about Canandaigua's water quality?
If you have concerns about Canandaigua'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 (CANANDAIGUA CITY) 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.