B70/100
West Jefferson Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,488 residents · Ohio
What's In West Jefferson's Tap Water?
32
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 116.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Treatment technique violation
When: October 17, 2024Rule: Ground Water RuleEnforcement: 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
WEST JEFFERSON VILLAGE PWS
Population Served
4,488
Water Source
Groundwater
System ID
OH4902012
Frequently Asked Questions About West Jefferson Water
Is West Jefferson tap water safe to drink?
West Jefferson, Ohio tap water receives a grade of B (70/100), which is considered good. Out of 32 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 West Jefferson's water?
Of the 32 contaminants tested in West Jefferson'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 West Jefferson have any water quality violations?
Yes, West Jefferson has 15 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MR. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in West Jefferson?
Based on EPA data, using a water filter in West Jefferson 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 West Jefferson's tap water come from?
West Jefferson's drinking water is sourced from groundwater and supplied by WEST JEFFERSON VILLAGE PWS. The system serves approximately 4,488 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is West Jefferson'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. West Jefferson'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 West Jefferson's water compare to other cities in Ohio?
West Jefferson's water quality score of 70/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Ohio state page to see how all cities in the state compare.
What should I do if I'm concerned about West Jefferson's water quality?
If you have concerns about West Jefferson'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 (WEST JEFFERSON VILLAGE PWS) 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.