Is MCDONOUGH water safe to drink?

MCDONOUGH has had 1 health-based violation in the last 5 years. The system generally meets EPA standards. Review the violation history below for details.

What violations has MCDONOUGH had?

MCDONOUGH has 8 total violations on record, but none are currently active health-based violations.

Does MCDONOUGH water have lead?

Lead in drinking water typically comes from household plumbing, not from MCDONOUGH's treatment plant. See the Lead & Copper section on this page for the most recent 90th-percentile lead test results. If your home was built before 1986, consider running cold water for 30 seconds before drinking and using an NSF/ANSI 53-certified filter.

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📊 Data from EPA's SDWIS · 🔄 Updated quarterly · 🏛️ 160,000+ water systems

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Safety Grade

We compute an overall water quality grade based on violations and health risks, not just legal compliance.

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Health Context

Every contaminant comes with plain-English health effects, who's most at risk, and what to do.

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Violation History

See every time your water exceeded legal limits or missed required testing, up to 10 years back.

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Recommendations

Get specific, actionable suggestions: a filter type, a test kit, or nothing at all.

About this data: ClearWater uses the EPA's Safe Drinking Water Information System (SDWIS). Data is for public water systems only; private wells are not included. Legal limits (MCLs) are minimum standards; some contaminants may still pose health risks below legal thresholds.

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MCDONOUGH

MCDONOUGH, GA · 16,187 people served · Surface Water

Data last updated: 2026-04-29

B Minor concern: 1 health-based issue in the past year

How is this graded?

8 total violations on record. No currently active health-based violations.

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PFAS / Forever Chemicals

EPA UCMR5 monitoring data (2023–2025). 4 PFAS compounds detected.

⚠ 1 PFAS compound exceeded EPA limits - PFOS

Compound	Detected	EPA MCL	Status
PFPeA	0.0059 µg/L	-	No federal MCL
PFOS	0.0053 µg/L	0.004 µg/L	OVER LIMIT
PFHxA	0.0043 µg/L	-	No federal MCL
PFBS	0.0042 µg/L	-	No federal MCL

Source: EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5). MCLs finalized April 2024. Values shown are the maximum detected concentration across all sampling events.

Water Hardness

Estimated based on USGS geological survey data for your county.

48 mg/L (2.8 grains/gal)

Soft

Soft (0–60)Moderate (61–120)Hard (121–180)Very Hard (180+)

What this means: Soft water is gentle on plumbing and appliances. Soap lathers easily and you're unlikely to see mineral buildup.

Source: USGS National Water Information System. Hardness is not a health concern. It's a measure of dissolved calcium and magnesium. Contact your water utility for exact values.

Water pH Level

Estimated based on USGS water monitoring data for your state.

7.1 pH

Neutral

Acidic (4)Neutral (7)Alkaline (10)

✓ Within EPA recommended range (6.5–8.5)

What this means: Neutral pH is ideal for drinking water. Your water is well within the EPA recommended range of 6.5–8.5.

Source: USGS National Water Information System. EPA secondary standard for pH is 6.5–8.5. Contact your water utility for exact values.

Lead & Copper

What To Do

Violations

Active only

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What's in yourtap water?