A86/100
Mcdonough Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 16,187 residents · Georgia
What's In Mcdonough's Tap Water?
46
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – July 31, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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
MCDONOUGH
Population Served
16,187
Water Source
Surface Water
System ID
GA1510003
Frequently Asked Questions About Mcdonough Water
Is Mcdonough tap water safe to drink?
Mcdonough, Georgia tap water receives a grade of A (86/100), which is considered excellent. Out of 46 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Mcdonough's water?
46 contaminants were tested in Mcdonough's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Mcdonough have any water quality violations?
Yes, Mcdonough has 10 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, Other, MR. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Mcdonough?
Mcdonough 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. All contaminants are within health goals.
Where does Mcdonough's tap water come from?
Mcdonough's drinking water is sourced from surface water and supplied by MCDONOUGH. The system serves approximately 16,187 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Mcdonough'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. Mcdonough'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 Mcdonough's water compare to other cities in Georgia?
Mcdonough's water quality score of 86/100 earns a grade of A, which is considered excellent. This places Mcdonough among the better-performing water systems in Georgia. Visit our Georgia state page to see how all cities in the state compare.
What should I do if I'm concerned about Mcdonough's water quality?
If you have concerns about Mcdonough'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 (MCDONOUGH) 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.