WaterVerge

Is Hamilton, GA Tap Water Safe to Drink?

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 1 water system PWSID: GA1450000
Overall Score
85.8 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#90 of 378 in Georgia Top 33% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.8/100
waterverge.com
A- 85.8/100

Hamilton, GA — Water Quality Report

Hamilton's drinking water received a grade of A- (85.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,211 residents using groundwater.

Lead levels were measured at 1.4 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 20 violations on record, including 0 health-based violations. 6 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Hamilton's water

Hamilton ranks #90 out of 378 cities in Georgia for water quality, placing it above average in the state.

Hamilton relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

As a small community water system, Hamilton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
85.8 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.8/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.4 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hamilton, GA water safe to drink?

Concerns Identified

Hamilton's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,211 residents using groundwater (wells).

6
Active Violations
1.4 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Hamilton

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hamilton's water quality assessment. Grade: A- (85.8/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
HURRICANE IRMA

Federal disaster declaration (FEMA DR-4338). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IRMA

Federal disaster declaration (FEMA DR-3387). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Hamilton's water supply.

Lead Within Limits
Detected: 1.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.60 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Hamilton's water system has 20 total violations on record, including 0 health-based violations. 6 remain unresolved. 1 violation was issued in the last 5 years.

OtherMR
Most recent violations:
Jul 2021 Consumer Confidence Rule Open
Jul 2014 Consumer Confidence Rule Open
Jul 2007 Consumer Confidence Rule Open
Jan 2006 Coliform (TCR) Resolved
Feb 2001 Coliform (TCR) Resolved

Flood & environmental risk

Harris County has experienced 5 federally declared disasters since 2004. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Mountain Oak Creek, Ossahatchee Creek.

HURRICANE IRMA
Hurricane FEMA DR-4338
HURRICANE IRMA
Hurricane FEMA DR-3387
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3218

Where does Hamilton's water come from?

Hamilton's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,211 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Mountain Oak Creek (river), Ossahatchee Creek (river).

What Hamilton residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hamilton's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Hamilton's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.4 ppb
EPA Action Level: 15 ppb · 9% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.60 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

20
Total violations
0
Health-based
6
Active / unresolved
Jul 2021
Most recent violation
Compliance Record

Violations & advisories

20 Total
6 Active
0 Health-based
14 Resolved
Violations by category
Total Coliform Rule
13
Consumer Confidence Rule
3
Lead and Copper Rule
3
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2014 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Oct 1998 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1996 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2006 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2006
Feb 2001 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2001
Jun 1997 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1997
Jun 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1994
Jan 1994 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1994
Sep 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1993
Jun 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
May 1993 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1993
Oct 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1992
Aug 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 1992
May 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 1992
Feb 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 1992
Dec 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1991
Jun 1991 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1991
Industrial pollution

Top industrial polluters within 10 miles of Hamilton

Industrial polluters nearby

Reported releases to surface water by facilities near Hamilton, ranked by pounds discharged annually.

Total reported releases to surface water: 997,710 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
KOCH FOODS OF PINE MOUNTAIN VALLEY
Food · KOCH FOODS INC
PINE MOUNTAIN VALLEY, GA31823
Nitrate compounds (water dissociable; reportable only when in aqueous solution)997,7104.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Harris County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
24.9%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

5
Declared disasters
Sep 2017
Most recent
Hurricane
Most common type

Harris County has experienced 5 federally declared disasters since 2004. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2017
HURRICANE IRMA
Hurricane FEMA #4338
Sep 2017
HURRICANE IRMA
Hurricane FEMA #3387
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3218
Sep 2004
TROPICAL STORM FRANCES
Hurricane FEMA #1560
Sep 2004
HURRICANE IVAN
Hurricane FEMA #1554

Recommended water filters

Based on contaminants detected in Hamilton's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.4 15 ppb Inorganic Safe
Copper (90th percentile) 1.60 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 4.3 ppb from 2002 (5.7 ppb) to 2025 (1.4 ppb).

Copper level (90th percentile)

Latest reading: 1.600 mg/L (2020)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,211
Water Systems
1
Water Source

Where Hamilton's water comes from

Groundwater

Hamilton's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 2,211 people through 1 water system.

Local Hydrology

Water bodies near Hamilton

Hamilton is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Mountain Oak Creek
river
Ossahatchee Creek
river
Infrastructure

Water systems serving Hamilton

System Name PWSID Population Source
HAMILTON GA1450000 2,211 GW
Regional Comparison

How Hamilton compares

Full Georgia rankings →

Hamilton's score of 85.8/100 is above the average of 64/100 among major Georgia cities. It outscores 10 of 10 nearby cities.

Hamilton (this city)
85.8
Atlanta
37.2
Buford
82.4
Marietta
82.2
Decatur
84.8
Alpharetta
41.4
Georgia avg
64
City Profile

About Hamilton, GA

Economic Profile
$86,607
Median Income
$254,146
Median Home Value
$880/mo
Median Rent
7.7%
Unemployment
Community
32.7
Median Age
220
People / sq mi
21.4%
College Educated
76.3%
Homeownership
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Frequently asked questions

Is Hamilton, GA tap water safe to drink?

Hamilton's water quality earned a grade of A- (85.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #90 out of 378 cities tested in Georgia.

What contaminants are in Hamilton's water?

Lead was measured at 1.4 ppb (90th percentile). 20 violations are on record.

How is Hamilton's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Hamilton?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Hamilton's water come from?

Hamilton's water is sourced from Groundwater. The city has 1 water system serving approximately 2,211 residents.

Is Hamilton's groundwater at risk of contamination?

Hamilton uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 20 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Hamilton's water compare to other cities?

Hamilton ranks #90 out of 378 cities in Georgia (better than 76% of state cities) and #5102 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Hamilton's small water system affect quality?

Hamilton's system serves approximately 2,211 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 20 violations on record.