WaterVerge

Is Greenville, SC Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

396K residents served 1 water system PWSID: SC2310001
Overall Score
92.1 / 100
Violations
2 active
Last Updated
May 2026
Source
Surface water
#23 of 196 in South Carolina Top 9% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.1/100
waterverge.com
A 92.1/100

Greenville, SC — Water Quality Report

Greenville's drinking water received a grade of A (92.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 396,265 residents using surface water.

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 19 violations on record, including 9 health-based violations. 2 remain unresolved.

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

What to know about Greenville's water

Greenville ranks #23 out of 196 cities in South Carolina for water quality, placing it above average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

Hexavalent chromium (chromium-6) was detected at 0.06 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.

Quality Breakdown

Water quality score

See methodology →
92.1 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.9/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17.2/20
B
No PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Greenville, SC water safe to drink?

Use Caution

Greenville's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 396,265 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
0.0 ppb
Lead (90th %ile)
None
PFAS Detected
10 events
Disaster History

Recent water quality updates for Greenville

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Greenville's water quality assessment. Grade: A (92.1/100).

Disaster
HURRICANE HELENE

Federal disaster declaration (FEMA DR-4829). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE IDALIA

Federal disaster declaration (FEMA DR-3597). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Coliform (TCR).

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Greenville's water system has 19 total violations on record, including 9 health-based violations. 2 remain unresolved.

OtherTTMCLMR
Most recent violations:
Jul 2007 Consumer Confidence Rule Open
Jul 2005 Lead and Copper Rule Resolved
Jul 1994 Coliform (TCR) Resolved
Oct 1993 Coliform (TCR) Resolved
Sep 1993 Coliform (TCR) Resolved

Flood & environmental risk

Greenville County has experienced 10 federally declared disasters since 2015. 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 Enoree River, Brushy Creek, Rocky Creek, Saluda River, Saluda River Above I-85 Nr Golden Grove.

HURRICANE HELENE
Hurricane FEMA DR-4829
HURRICANE IDALIA
Hurricane FEMA DR-3597
HURRICANE IAN
Hurricane FEMA DR-4677

Where does Greenville's water come from?

Greenville's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 396,265 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Enoree River (river), Brushy Creek (river), Rocky Creek (river), Saluda River (river), Saluda River Above I-85 Nr Golden Grove (river).

What Greenville residents can do

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

Greenville'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
8.1 µg/L
EPA MCL: 60 µg/L · 14% of limit
Within LimitUCMR 4 DataHAA6Br: 1.7 µg/LHAA9: 9.8 µg/L
Chromium-6 (Hexavalent Chromium)
Inorganic
Detected
0.06 µg/L
CA MCL (no federal MCL): 10 µg/L · 1% of limit
DetectedUCMR 3 Data
Strontium
Inorganic
Detected
17.0 µg/L
EPA Health Ref Level: 1,500 µg/L · 1% of limit
DetectedUCMR 3 Data
Manganese
Inorganic
Detected
2.2 µg/L
EPA Secondary MCL: 50 µg/L · 4% of limit
DetectedUCMR 4 Data
NDMA (N-Nitrosodimethylamine)
Disinfection Byproduct
Detected
4.8 ng/L
CA Public Health Goal: 10 ng/L · 48% of limit
DetectedProbable CarcinogenUCMR 2 Data (2008–2010)
Vanadium
Inorganic
Detected
0.35 µg/L
EPA Short-term HA: 21 µg/L · 2% of limit
DetectedUCMR 3 Data
Chlorate
Disinfection Byproduct
Detected
40.0 µg/L
EPA Lifetime HA: 210 µg/L · 19% 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

19
Total violations
9
Health-based
2
Active / unresolved
Jul 2007
Most recent violation
Compliance Record

Violations & advisories

19 Total
2 Active
9 Health-based
17 Resolved
Violations by category
Total Coliform Rule
7
Inorganic Chemicals
5
Nitrate Rule
3
Consumer Confidence Rule
1
Lead and Copper Rule
1
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2005 Resolved
Lead and Copper Rule
Treatment Technique
Health-Based Health Resolved Dec 2005
Jul 1994 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1994
Oct 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 1993
Sep 1993 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 1993
Jul 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 1993
Apr 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 1993
Jan 1993 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1993
Jan 1993 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1993
Jan 1993 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 1993
Jan 1993 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1993
Jan 1993 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1993
Jan 1993 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1993
Jul 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 1992
Jun 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1992
Jun 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 1992
May 1992 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 1992
Jan 1992 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Sep 2000
Industrial pollution

Top industrial polluters within 10 miles of Greenville

Industrial polluters nearby

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

Total reported releases to surface water: 170 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
GE (GREENVILLE) GAS TURBINES L.L.C.
Machinery · GE VERNOVA INTERNATIONAL LLC
GREENVILLE, SC29615
Nickel754.1 mi
MICHELIN NA INC
Plastics and Rubber · MICHELIN NORTH AMERICA INC
GREENVILLE, SC29605
Zinc compounds377.2 mi
MICHELIN N.A. INC
Plastics and Rubber · MICHELIN NORTH AMERICA INC
GREENVILLE, SC29605
Zinc compounds307.0 mi
DRIVE AUTOMOTIVE INDUSTRIES OF AMERICA INC.
Transportation Equipment · MAGNA US HOLDING INC
PIEDMONT, SC29673
Manganese188.2 mi
HONEYWELL AEROSPACE GREER
Transportation Equipment · HONEYWELL INTERNATIONAL INC
GREER, SC29650
Nickel109.2 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Greenville

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D3 — extreme drought

Greenville 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)
33.2%
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

10
Declared disasters
Sep 2024
Most recent
Hurricane
Most common type

Greenville County has experienced 10 federally declared disasters since 2015. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2024
HURRICANE HELENE
Hurricane FEMA #4829
Aug 2023
HURRICANE IDALIA
Hurricane FEMA #3597
Nov 2022
HURRICANE IAN
Hurricane FEMA #4677
Sep 2022
HURRICANE IAN
Hurricane FEMA #3585
Sep 2019
HURRICANE DORIAN
Hurricane FEMA #3421
Sep 2018
HURRICANE FLORENCE
Hurricane FEMA #3400

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 9.0 ppb from 1992 (9.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
396,265
Water Systems
1
Water Source

Where Greenville's water comes from

Surface Water

Greenville's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 396,265 people through 1 water system.

Local Hydrology

Water bodies near Greenville

Greenville is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Enoree River
river
Brushy Creek
river
Rocky Creek
river
Saluda River
river
Saluda River Above I-85 Nr Golden Grove
river
Infrastructure

Water systems serving Greenville

System Name PWSID Population Source
GREENVILLE WATER (2310001) SC2310001 396,265 SW
Regional Comparison

How Greenville compares

Full South Carolina rankings →

Greenville's score of 92.1/100 is above the average of 76/100 among major South Carolina cities. It outscores 9 of 10 nearby cities.

Greenville (this city)
92.1
Charleston
82.8
Columbia
37.1
Conway
67.5
Okatie
83.8
South Carolina avg
76
City Profile

About Greenville, SC

Wikipedia →

Greenville is a city in Greenville County, South Carolina, United States, and its county seat. It is the sixth-most populous city in South Carolina with a population of 70,720 at the 2020 census, while the Greenville metropolitan area has an estimated 997,000 residents and is the largest metropolitan area in the state.

Economic Profile
$65,519
Median Income
$405,458
Median Home Value
$1,173/mo
Median Rent
3.8%
Unemployment
Community
33.8
Median Age
918
People / sq mi
53.7%
College Educated
41.6%
Homeownership
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Frequently asked questions

Is Greenville, SC tap water safe to drink?

Greenville's water quality earned a grade of A (92.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #23 out of 196 cities tested in South Carolina.

What contaminants are in Greenville's water?

Lead was measured at 0.0 ppb (90th percentile). No PFAS compounds were detected. 19 violations are on record.

How is Greenville'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 Greenville?

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

Where does Greenville's water come from?

Greenville's water is sourced from Surface water. The city has 1 water system serving approximately 396,265 residents.

What health violations has Greenville's water system had?

Greenville has 9 health-based violations on record. The most recent violation was recorded in July 2007. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

How does Greenville's water compare to other cities?

Greenville ranks #23 out of 196 cities in South Carolina (better than 88% of state cities) and #1357 out of 15744 cities nationally (91th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.