Water Quality in Mcdonough, GA: 4 Violations - Grade B
Grade B · Score 77/100 · 7 water systems · Updated 2026-07-18
Mcdonough's water is mostly safe. Minor violations exist but are primarily monitoring-related.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
Local water systems serving Mcdonough, GA carry 4 EPA violations on record in the federal compliance database - documented events spanning categories from maximum contaminant level exceedances to monitoring requirements tracked by the national Safe Drinking Water program.
Water Quality by ZIP Code in Mcdonough
Water quality varies across Mcdonough's 2 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 30252 | B | 77 | 2 | 1 | View report → |
| 30253 | B | 77 | 2 | 1 | View report → |
Water Quality Overview
Mcdonough, Georgia receives a water quality grade of B with an overall score of 77 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 7 water systems serving Mcdonough have accumulated 4 EPA violations, including 2 health-based violations. These violations are tracked across 2 ZIP codes serving approximately 113,010 people.
What Grade B Means
A grade of B indicates good compliance with EPA drinking water standards. While not perfect, Mcdonough's water systems meet the vast majority of federal requirements. Minor violations may exist but typically relate to monitoring or reporting rather than health-based standards.
Lead Levels
The average 90th percentile lead level across Mcdonough water systems is 0.0018 mg/L - within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Mcdonough is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Mcdonough
Mcdonough is served by 7 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 113,010 people across 2 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 20 enforcement actions against water systems serving Mcdonough. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Mcdonough
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR - your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test - certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration - NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories - monitor your local utility website and local news for boil water advisories or system alerts
EPA Enforcement History
The EPA and state regulators have taken 17 enforcement actions against water systems serving Mcdonough. Recent actions:
| Date | Action Type |
|---|---|
| 2025-12-30 | State Order Extension |
| 2025-10-01 | State Informal Action |
| 2025-10-01 | State Informal Enforcement |
| 2023-11-27 | State Informal Action |
| 2023-11-01 | State Informal Action |
| 2023-10-26 | State Order Extension |
| 2023-10-18 | State Informal Action |
| 2023-09-14 | State Order Extension |
| 2023-08-30 | State Informal Action |
| 2023-08-30 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-12-30.
Mcdonough vs. Nearby Georgia Cities
How Mcdonough's water quality compares to similar cities in Georgia:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Mcdonough | B | 4 | 7 | 113,010 |
| Douglasville | B | 0 | 3 | 113,276 |
| Canton | B | 0 | 7 | 113,639 |
| Buford | C | 9 | 3 | 113,957 |
Common Questions About Mcdonough Water
These are the most common questions residents search for about water quality in Mcdonough, Georgia:
Is Mcdonough water hard or soft? Water hardness varies by source. Mcdonough's 7 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Mcdonough tap water? Mcdonough's water receives a grade of B (77/100). There are 2 health-based violations - consider filtration.
What is the best water filter for Mcdonough? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Mcdonough vs. Georgia Average
Understanding how Mcdonough compares to the broader Georgia average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below - water quality can vary significantly even within Mcdonough.
ZIP Codes in Mcdonough
Mcdonough spans 2 ZIP codes. The ZIP with the lowest water quality score is 30252. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.
Frequently Asked Questions
Your Water is Safe - Here's How to Keep It That Way
Grade B is excellent news. Here's what proactive homeowners do to maintain water quality:
Annual Water Testing
EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.
Maintenance Filtration
A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.
Plumbing Check
Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.