Is Twin City, GA Tap Water Safe to Drink?
Graded D, with 84 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
48/100
waterverge.com Twin City, GA — Water Quality Report
Twin City's drinking water received a grade of D (48 out of 100), indicating poor water quality. The city's 5 water systems serve approximately 3,251 residents using groundwater.
Lead levels were measured at 3.3 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 622 violations on record, including 18 health-based violations. 84 remain unresolved.
What to know about Twin City's water
Twin City ranks #327 out of 378 cities in Georgia for water quality, placing it among the lowest-rated in the state.
Twin City 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, Twin City may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Twin City, GA water safe to drink?
Twin City's drinking water has significant quality concerns based on EPA testing data. With a grade of D (48/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 5 water systems serve approximately 3,251 residents using groundwater (wells).
Recent water quality updates for Twin City
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Twin City's water quality assessment. Grade: D (48/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228), Combined Uranium.
Federal disaster declaration (FEMA DR-4830). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4738). Hurricane event — may have impacted local water infrastructure.
Contaminants: Public Notice.
Key contaminant findings
Based on the most recent EPA sampling data for Twin City's water supply.
Well within EPA limits.
Violation history
Twin City's water system has 622 total violations on record, including 18 health-based violations. 84 remain unresolved. 10 violations were issued in the last 5 years.
Flood & environmental risk
Emanuel County has experienced 10 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.
Where does Twin City's water come from?
Twin City's drinking water comes from groundwater (wells), supplied by 5 water systems serving approximately 3,251 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Twin City residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Twin City's water.
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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Twin City'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D4 — exceptional droughtEmanuel County is currently in D4 (exceptional drought) per the U.S. Drought Monitor (week of May 5, 2026). 14.2% 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Emanuel County has experienced 10 federally declared disasters since 2004. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 3.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Twin City compares by contaminant
Explore where Twin City ranks among all Georgia cities for specific contaminants.
Water source & infrastructure
Where Twin City's water comes from
Twin City'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 3,251 people through 5 water systems.
Water systems serving Twin City
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TWIN CITY | GA1070006 | 2,817 | GW |
| LAKE OWL HEAD SUBDIVISION | GA1610021 | 161 | GW |
| THREE RIVERS ESTATES | GA2090018 | 138 | GW |
| LAZY RIVER ESTATES | GA2090014 | 105 | GW |
| SWAINSBORO CREST | GA1070031 | 30 | GW |
How Twin City compares
Full Georgia rankings →Twin City's score of 48/100 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.
Nearby cities
View Georgia rankings →About Twin City, GA
Wikipedia →Twin City, formerly known as Graymont, is a city in Emanuel County, Georgia, United States. As of the 2020 census, the city had a population of 1,642.
Learn more about your water
Guides and resources related to Twin City's water quality findings.
Explore water quality across Emanuel
Frequently asked questions
Is Twin City, GA tap water safe to drink?
Twin City's water quality earned a grade of D (48/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #327 out of 378 cities tested in Georgia.
What contaminants are in Twin City's water?
Lead was measured at 3.3 ppb (90th percentile). 622 violations are on record.
How is Twin City'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 Twin City?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Twin City's water come from?
Twin City's water is sourced from Groundwater. The city has 5 water systems serving approximately 3,251 residents.
What health violations has Twin City's water system had?
Twin City has 18 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. 84 violations remain unresolved.
Is Twin City's groundwater at risk of contamination?
Twin City 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 622 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 Twin City's water compare to other cities?
Twin City ranks #327 out of 378 cities in Georgia (better than 13% of state cities) and #13523 out of 15744 cities nationally (14th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.