Water Quality Report · Updated May 12, 2026

SPARTANBURG WATER SYSTEM (4210001)

Serving 166,364 residents in SPARTANBURG, South Carolina .

National rank 74th percentile
South Carolina rank 93th percentile
Data confidence Medium
Quick answer

SPARTANBURG WATER SYSTEM (4210001) delivers tap water graded C (67/100) by TapWaterSafety.org. The utility serves approximately 166,364 residents in SPARTANBURG, 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 864-580-5642.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
166,364
People served
1
City served
19
Contaminants detected
10
Above health guidelines
0
EPA violations (5 yr)

Is SPARTANBURG tap water safe to drink?

SPARTANBURG WATER SYSTEM (4210001) delivers tap water that earns a grade of C (67/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 166,364 residents in SPARTANBURG, drawing from surface water.

Public testing data identifies 10 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Bromodichloromethane, Chloroform, Dichloroacetic acid, Chromium (hexavalent), Dibromochloromethane, Chlorate. 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.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for SPARTANBURG WATER SYSTEM (4210001).

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 26.3 ppb, 438x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 24.2 ppb, 242x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 34.1 ppb, 228x above the EWG health guideline of 0.15 ppb.

Contact SPARTANBURG WATER SYSTEM (4210001)

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

Recommended water filters for SPARTANBURG

Filters matched to the specific contaminants in this water supply.

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 67/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
20 / 20
Compliance History
10 / 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
26.3 ppb 0.06 438× over
Haloacetic acids (HAA5)
Disinfection byproduct
24.2 ppb 0.1 60.0 60 242× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
34.1 ppb 0.15 80.0 100 228× over
Trichloroacetic acid
Disinfection byproduct
12.2 ppb 0.1 122× over
Bromodichloromethane
Disinfection byproduct
6.09 ppb 0.06 102× over
Chloroform
Disinfection byproduct
27.3 ppb 0.4 68× over
Dichloroacetic acid
Disinfection byproduct
11.9 ppb 0.2 60× over
Chromium (hexavalent)
Heavy metal
0.201 ppb 0.02 10× over
Dibromochloromethane
Disinfection byproduct
0.666 ppb 0.1 6.7× over
Chlorate
Disinfection byproduct
276.3 ppb 210.0 1.3× over
Dibromoacetic acid
Disinfection byproduct
0.0209 ppb 0.03 Below guideline
Nitrate
Inorganic
0.0898 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Nitrate and nitrite
Inorganic
0.081 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Bromoform
Disinfection byproduct
0.0251 ppb 0.5 Below guideline
Vanadium
Other
0.369 ppb 21.0 Below guideline
Manganese
Heavy metal
0.19 ppb 100.0 50 80 Below guideline
Monochloroacetic acid
Disinfection byproduct
0.0225 ppb 53.0 Below guideline
Strontium
Radiological
0.0309 ppb 1500.0 Below guideline
Fluoride
Inorganic
0.65 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.

SPARTANBURG WATER SYSTEM (4210001) service area

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

About this water system

Public Water System ID
SC4210001
Owner type
Local government
Source water
Surface water
Service connections
70,678
Service area
SPARTANBURG, Spartanburg County, South Carolina