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WaterVerge

Water quality report · updated Jul 2026

Is Colquitt, GA Tap Water Safe to Drink?

Graded A-, with 18 unresolved violations on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
2.4 ppb lead, 90th percentile · low
18 unresolved violations
2K people served by 1 water system

PWSID GA2010000 · high data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
A 85.2 / 100

#102 of 372Georgia cities
How we grade →

01The verdict: is Colquitt water safe?

Colquitt's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,998 residents using groundwater (wells).

The concern

18 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 2.4 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

1 violation in the last five years

Recent compliance history is the best predictor of future problems — the year-by-year record is below.

See the record ↓

Colquitt's drinking water received a grade of A- (85.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,998 residents using groundwater.

Lead levels were measured at 2.4 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 37 violations on record, including 3 health-based violations. 18 remain unresolved.

Colquitt ranks #102 out of 372 cities in Georgia for water quality, placing it mid-range in the state. Colquitt 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, Colquitt may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 85.2/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
40.7 / 45A
Lead & CopperLead at 2.4 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
16.5 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
3 / 10F
Source RiskWater source: Groundwater.
5 / 5A

02What's in Colquitt's water

Every contaminant flagged in Colquitt, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

3 detections · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
Manganese Inorganic
11.0 µg/L 22% of limit
3 contaminants tested under EPA SDWIS, LCR and UCMR programs · 3 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.4 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Colquitt's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 37 violations on record, including 3 health-based violations. 18 remain unresolved.

9 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

1 monitoring & paperwork 1 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Colquitt's water quality assessment. Grade: A- (85.2/100).
Violation1 drinking water violation recordedContaminants: Consumer Confidence Rule.Open
DisasterHURRICANE MICHAELFederal disaster declaration (FEMA DR-4400). Hurricane event — may have impacted local water infrastructure.
DisasterHURRICANE MICHAELFederal disaster declaration (FEMA DR-3406). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Lead and Copper Rule.Open
Violation1 drinking water violation recordedContaminants: Consumer Confidence Rule.Open
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb2002 — 5.1 ppb2003 — 4.4 ppb2004 — 3.7 ppb2005 — 3.5 ppb2006 — 6.4 ppb2009 — 2.9 ppb2015 — 0 ppb2023 — 2.4 ppb5.12.420022004200620152023

Down 2.7 ppb since 2002. Latest reading: 2.4 ppb (2023) — 16% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Colquitt's water comes from

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

Source

Groundwater

Underground aquifers reached by wells — naturally filtered, but can carry minerals like arsenic and nitrate.

Treatment

Local treatment

Groundwater generally needs less treatment — typically disinfection and, where needed, mineral removal.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

1,998 people

Residents served across Colquitt's service area.

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 1,998 people through 1 water system.

System namePWSIDPopulationSource
COLQUITT GA2010000 1,998 Groundwater

Water bodies near Colquitt

Spring Creek Approx .25 Mi Us Us27 Nr Colquitt · river Spring Creek · river

These water bodies shape the regional watershed and can indirectly affect groundwater quality.

05Pressure on Colquitt's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

6 federal disaster declarations on record for Miller County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

HURRICANE MICHAEL Oct 2018 · DR-4400
HURRICANE MICHAEL Oct 2018 · DR-3406
HURRICANE IRMA Sep 2017 · DR-4338

06How Colquitt compares

Scores for nearby Georgia cities on one line, with the average marked.

Colquitt (this city)
85.2 · A-
Decatur
84.8 · B+
Morrow
83.6 · B+
Marietta
82.2 · B+
Alpharetta
41.4 · F
Atlanta
37.2 · F

dashed line = Georgia average (61/100)

Colquitt scores 85.2/100above the Georgia average of 61/100. It outscores 10 of 10 nearby cities. Full Georgia rankings →

Miller water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Colquitt's water — not generic advice.

Extra protection

A basic carbon filter still helps

Colquitt's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Colquitt alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Colquitt, GA tap water safe to drink?

Colquitt's water quality earned a grade of A- (85.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #102 out of 372 cities tested in Georgia.

What contaminants are in Colquitt's water?

Lead was measured at 2.4 ppb (90th percentile). 37 violations are on record.

How is Colquitt'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 Colquitt?

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

Where does Colquitt's water come from?

Colquitt's water is sourced from Groundwater. The city has 1 water system serving approximately 1,998 residents.

What health violations has Colquitt's water system had?

Colquitt has 3 health-based violations on record. The most recent violation was recorded in July 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 18 violations remain unresolved.

Is Colquitt's groundwater at risk of contamination?

Colquitt 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 37 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 Colquitt's water compare to other cities?

Colquitt ranks #102 out of 372 cities in Georgia (better than 73% of state cities) and #5423 out of 15382 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Colquitt's small water system affect quality?

Colquitt's system serves approximately 1,998 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 37 violations on record.

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About Colquitt, GA: Colquitt is a city and the county seat of Miller County, in the southwestern portion of the U.S. state of Georgia. The population was 2,001 at the 2020 census. Colquitt has been the county seat of Miller County since Miller County was incorporated by the Georgia Legislature in 1856. The city formally incorporated on December 19, 1860, and is Miller County's only incorporated municipality. Colquitt is named for U.S. Congressman and Senator Walter Terry Colquitt. Median household income $26,125 · median home value $98,546 · median age 42.5 · 43.8% homeowners · 17.2% college educated. Wikipedia → Service area: 1 ZIP code across Miller.
Show ZIP codes 39837
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.