A95/100
Columbia Station Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,708 residents · Ohio
What's In Columbia Station's Tap Water?
51
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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
Surface water treatment technique failure
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
MEDINA CO/SOUTHERN WATER DIST PWS
Population Served
4,708
Water Source
Groundwater
System ID
OH5260712
Frequently Asked Questions About Columbia Station Water
Is Columbia Station tap water safe to drink?
Columbia Station, Ohio tap water receives a grade of A (95/100), which is considered excellent. Out of 51 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 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 Columbia Station's water?
Of the 51 contaminants tested in Columbia Station's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Columbia Station have any water quality violations?
Yes, Columbia Station has 2 EPA violation(s) on record, with the most recent in 2022. Violation types include Other. None of these are classified as health-based violations.
Do I need a water filter in Columbia Station?
Columbia Station 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. 1 contaminant(s) exceed these stricter goals.
Where does Columbia Station's tap water come from?
Columbia Station's drinking water is sourced from groundwater and supplied by MEDINA CO/SOUTHERN WATER DIST PWS. The system serves approximately 4,708 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Columbia Station'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. Columbia Station'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 Columbia Station's water compare to other cities in Ohio?
Columbia Station's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Columbia Station among the better-performing water systems in Ohio. Visit our Ohio state page to see how all cities in the state compare.
What should I do if I'm concerned about Columbia Station's water quality?
If you have concerns about Columbia Station'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 (MEDINA CO/SOUTHERN WATER DIST 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.