Free tap water grades for 1,100+ water systems & 10,000+ ZIP codesFree tap water grades for 10,000+ ZIP codes Official EPA compliance records · Independent ratings

Water Quality Report · Updated October 07, 2026

GREENVILLE WATER (2310001)

Serving 396,265 residents in GREENVILLE, South Carolina .

National rank 85th percentile
South Carolina rank 93th percentile
Data confidence Medium
Quick answer

GREENVILLE WATER (2310001) delivers tap water graded B (80/100) by TapWaterSafety.org. The utility serves approximately 396,265 residents in GREENVILLE, South Carolina using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 864-241-6005.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
396,265
People served
1
City served
16
Contaminants detected
9
Above health guidelines

Is GREENVILLE tap water safe to drink?

GREENVILLE WATER (2310001) delivers tap water that earns a grade of B (80/100) from TapWaterSafety.org — a good rating, with only minor concerns relative to health-based guidelines.

The utility serves 396,265 residents in GREENVILLE, drawing from surface water.

Public testing data identifies 9 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Bromodichloromethane, Dichloroacetic acid, Chloroform, Dibromoacetic acid, Chromium (hexavalent). For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for GREENVILLE WATER (2310001) (system ID SC2310001) for the last 3 years. Checked 2026-10-07.

No health-based violations. EPA recorded 2 quarters with a testing, reporting or notice violation.
2 of 12quarters with a violation
Nolead above EPA action level
12/11/2025last state inspection
RuleTypeSinceStatus
Consumer Confidence Rule Other (e.g. public notice) 10/01/2025 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for GREENVILLE WATER (2310001).

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 9.8 ppb, 163x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 10.2 ppb, 102x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 9.94 ppb, 66x above the EWG health guideline of 0.15 ppb.

Contact GREENVILLE WATER (2310001)

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for GREENVILLE

Filters matched to the specific contaminants in this water supply.

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 80/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
26 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
20 / 20
Compliance History
7 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
9.8 ppb 0.06 — — — — — 163× over
Haloacetic acids (HAA5)
Disinfection byproduct
10.2 ppb 0.1 60.0 60 — — — 102× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
9.94 ppb 0.15 80.0 100 — — — 66× over
Trichloroacetic acid
Disinfection byproduct
3.87 ppb 0.1 — — — — — 39× over
Bromodichloromethane
Disinfection byproduct
1.87 ppb 0.06 — — — — — 31× over
Dichloroacetic acid
Disinfection byproduct
6.27 ppb 0.2 — — — — — 31× over
Chloroform
Disinfection byproduct
8.07 ppb 0.4 — — — — — 20× over
Dibromoacetic acid
Disinfection byproduct
0.101 ppb 0.03 — — — — — 3.4× over
Chromium (hexavalent)
Heavy metal
0.0512 ppb 0.02 — — — — — 2.6× over
Nitrate
Inorganic
0.0307 ppm 0.14 10.0 11.3 11.3 10 — Below guideline
Chlorate
Disinfection byproduct
9.19 ppb 210.0 — — — — — Below guideline
Manganese
Heavy metal
0.846 ppb 100.0 — 50 80 — — Below guideline
Vanadium
Other
0.156 ppb 21.0 — — — — — Below guideline
Strontium
Radiological
0.0118 ppb 1500.0 — — — — — Below guideline
4-Androstene-3,17-dione
Other
0.08 ppt — — — — — — Below guideline
Fluoride
Inorganic
0.623 ppm — 4.0 1.5 1.5 — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

GREENVILLE WATER (2310001) service area

This water system serves 1 community in Greenville County, South Carolina. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
SC2310001
Owner type
Local government
Source water
Surface water
Service connections
184,983
Service area
GREENVILLE, Greenville County, South Carolina