D36/100
Farmington Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,250 residents · New Hampshire
What's In Farmington's Tap Water?
1
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.020 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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
FARMINGTON WATER DEPT
Population Served
3,250
Water Source
Groundwater
System ID
NH0811010
Frequently Asked Questions About Farmington Water
Is Farmington tap water safe to drink?
Farmington, New Hampshire tap water receives a grade of D (36/100), which is considered poor. 1 contaminant(s) exceed EPA maximum contaminant levels and 16 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Farmington's water?
Of the 1 contaminants tested in Farmington's water supply, the most notable include Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Farmington have any water quality violations?
Yes, Farmington has 16 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, MCL, Other. 10 of these are health-based violations, which are the most serious category.
Do I need a water filter in Farmington?
Based on EPA data, using a water filter in Farmington 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 Farmington's tap water come from?
Farmington's drinking water is sourced from groundwater and supplied by FARMINGTON WATER DEPT. The system serves approximately 3,250 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Farmington'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. Farmington'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 Farmington's water compare to other cities in New Hampshire?
Farmington's water quality score of 36/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our New Hampshire state page to see how all cities in the state compare.
What should I do if I'm concerned about Farmington's water quality?
If you have concerns about Farmington'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 (FARMINGTON WATER DEPT) 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.