WaterVerge

Is Thomasville, GA Tap Water Safe to Drink?

Graded D, with 92 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

35K residents served 18 water systems PWSID: GA2750005
Overall Score
45.5 / 100
Violations
92 active
Last Updated
May 2026
Source
Groundwater
#342 of 378 in Georgia Top 90% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
45.5/100
waterverge.com
D 45.5/100

Thomasville, GA — Water Quality Report

Thomasville's drinking water received a grade of D (45.5 out of 100), indicating poor water quality. The city's 18 water systems serve approximately 34,715 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 359 violations on record, including 39 health-based violations. 92 remain unresolved.

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

What to know about Thomasville's water

Thomasville ranks #342 out of 378 cities in Georgia for water quality, placing it among the lowest-rated in the state.

Thomasville 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.

Hexavalent chromium (chromium-6) was detected at 2.80 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.

The system has seen 59 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
45.5 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
15.5/20
B
No PFAS compounds detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Thomasville, GA water safe to drink?

Concerns Identified

Thomasville's drinking water has significant quality concerns based on EPA testing data. With a grade of D (45.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 18 water systems serve approximately 34,715 residents using groundwater (wells).

92
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
8 events
Disaster History

Recent water quality updates for Thomasville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Thomasville's water quality assessment. Grade: D (45.5/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: Consumer Confidence Rule, Arsenic.

Violation
2 drinking water violations recorded

Contaminants: LEAD AND COPPER RULE REVISIONS, Consumer Confidence Rule.

Violation
4 drinking water violations recorded

Contaminants: Nitrate-Nitrite, Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228).

Disaster
HURRICANE HELENE

Federal disaster declaration (FEMA DR-4830). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IDALIA

Federal disaster declaration (FEMA DR-4738). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Thomasville's water system has 359 total violations on record, including 39 health-based violations. 92 remain unresolved. 59 violations were issued in the last 5 years.

OtherMCLRPTMRMONTT
Most recent violations:
Oct 2025 Consumer Confidence Rule Open
Oct 2025 Arsenic Resolved
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jul 2025 Consumer Confidence Rule Open
Jan 2025 Nitrate-Nitrite Resolved

Flood & environmental risk

Thomas County has experienced 8 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 Ochlockonee River.

HURRICANE HELENE
Hurricane FEMA DR-4830
HURRICANE IDALIA
Hurricane FEMA DR-4738
HURRICANE MICHAEL
Hurricane FEMA DR-4400

Where does Thomasville's water come from?

Thomasville's drinking water comes from groundwater (wells), supplied by 18 water systems serving approximately 34,715 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ochlockonee River (river).

What Thomasville residents can do

Install a water filter

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

Thomasville'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
0.2 µg/L
EPA MCL: 60 µg/L · 0% of limit
Within LimitUCMR 4 DataHAA6Br: 0.2 µg/LHAA9: 0.3 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
2.80 µg/L
CA MCL (no federal MCL): 10 µg/L · 28% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
344.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 23% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
1.0 µg/L
EPA Secondary MCL: 50 µg/L · 2% of limit
DetectedUCMR 4 Data
Vanadium
Inorganic
Detected
6.80 µg/L
EPA Short-term HA: 21 µg/L · 32% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Elevated
134.0 µg/L
EPA Lifetime HA: 210 µg/L · 64% of limit
DetectedUCMR 3 Data
Molybdenum
Inorganic
Detected
3.90 µg/L
EPA Lifetime HA: 40 µg/L · 10% of limit
DetectedUCMR 3 Data
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
0
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

359
Total violations
39
Health-based
92
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

359 Total
92 Active
39 Health-based
267 Resolved
Violations by category
Total Coliform Rule
85
Inorganic Chemicals
66
Volatile Organic Chemicals
63
Consumer Confidence Rule
44
Lead and Copper Rule
43
Oct 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 359 violations
Industrial pollution

Top industrial polluters within 10 miles of Thomasville

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CLEAVER BROOKS
Fabricated Metals · CLEAVER-BROOKS INC
THOMASVILLE, GA31792
0.9 mi
HOOD INDUSTRIES INC.
Wood Products · HOOD COS INC
METCALF, GA31792
9.6 mi
EVOQUA WATER TECHNOLOGIES LLC
Machinery · XYLEM INC
THOMASVILLE, GA31792
1.7 mi
CENTEK INDUSTRIES INC.
Miscellaneous Manufacturing · CENTEK INDUSTRIES INC
THOMASVILLE, GA31792
2.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D4 — exceptional drought

Colquitt County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 100.0% of the county is in D4 (exceptional) drought. Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
18.7%
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

8
Declared disasters
Sep 2024
Most recent
Hurricane
Most common type

Thomas County has experienced 8 federally declared disasters since 2004. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2024
HURRICANE HELENE
Hurricane FEMA #4830
Sep 2023
HURRICANE IDALIA
Hurricane FEMA #4738
Oct 2018
HURRICANE MICHAEL
Hurricane FEMA #4400
Oct 2018
HURRICANE MICHAEL
Hurricane FEMA #3406
Sep 2017
HURRICANE IRMA
Hurricane FEMA #4338
Sep 2017
HURRICANE IRMA
Hurricane FEMA #3387

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium ND HI µg/L PFAS Not Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 2.5 ppb from 2000 (2.5 ppb) to 2026 (0.0 ppb).
Contaminant Rankings

See how Thomasville compares by contaminant

Explore where Thomasville ranks among all Georgia cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
34,715
Water Systems
18
Water Source

Where Thomasville's water comes from

Groundwater

Thomasville'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 34,715 people through 18 water systems.

Local Hydrology

Water bodies near Thomasville

Thomasville is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Ochlockonee River
river
Infrastructure

Water systems serving Thomasville

System Name PWSID Population Source
THOMASVILLE GA2750005 32,613 GW
SUGAR MILL RV PARK GA2750073 359 GW
PECAN VILLAGE/OAK HILL MHP GA2750063 221 GW
SANFORD HEIGHTS SUBDIVISION GA2750059 181 GW
HUNTER`S COVE SUBDIVISION GA2750070 167 GW
SUGARWOOD ESTATES MHP GA2750018 162 GW
PINE RUN SUBDIVISION GA2750022 149 GW
LAKE LILLIQUIN S/D GA2750027 113 GW
WILLOW RIDGE SUBDIVISION GA2750075 111 GW
FOXCROFT SUBDIVISION GA2750019 108 GW
TALLOKAS TRAIL GA0710087 105 GW
SUMMER MEADOWS SUBDIVISION GA2750060 92 GW
HIDDEN ACRES SUBDIVISION GA2750020 86 GW
PINE GROVE MHP/WHIPPOORWILL S/D GA2750069 65 GW
SUNNYBELLE ACRES GA2750048 54 GW
BROOKWOOD CHASE GA2750072 54 GW
CARTER MOBILE HOME PARK GA2750032 43 GW
PACES LANE SUBDIVISION GA2750076 32 GW
Regional Comparison

How Thomasville compares

Full Georgia rankings →

Thomasville's score of 45.5/100 is below the average of 64/100 among major Georgia cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Thomasville (this city)
45.5
Atlanta
37.2
Buford
82.4
Marietta
82.2
Decatur
84.8
Alpharetta
41.4
Georgia avg
64
City Profile

About Thomasville, GA

Economic Profile
$45,789
Median Income
$168,522
Median Home Value
$1,008/mo
Median Rent
4.5%
Unemployment
Community
36.2
Median Age
482
People / sq mi
26.5%
College Educated
46.2%
Homeownership
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Frequently asked questions

Is Thomasville, GA tap water safe to drink?

Thomasville's water quality earned a grade of D (45.5/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #342 out of 378 cities tested in Georgia.

What contaminants are in Thomasville's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 359 violations are on record.

How is Thomasville'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 Thomasville?

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

Where does Thomasville's water come from?

Thomasville's water is sourced from Groundwater. The city has 18 water systems serving approximately 34,715 residents.

What health violations has Thomasville's water system had?

Thomasville has 39 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 92 violations remain unresolved.

Is Thomasville's groundwater at risk of contamination?

Thomasville 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 359 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 Thomasville's water compare to other cities?

Thomasville ranks #342 out of 378 cities in Georgia (better than 10% of state cities) and #14135 out of 15744 cities nationally (10th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.