Water Quality Report · Updated May 12, 2026
FLORENCE CITY OF (SC2110001)
FLORENCE CITY OF (SC2110001) delivers tap water graded D (55/100) by TapWaterSafety.org. The utility serves approximately 79,745 residents in FLORENCE, South Carolina using surface water. The most significant water quality concerns are: PFAS contamination; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Bromodichloromethane significantly above health guideline. For questions, the utility can be reached at 843-665-3240.
Is FLORENCE tap water safe to drink?
FLORENCE CITY OF (SC2110001) delivers tap water that earns a grade of D (55/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including pfas contamination.
The utility serves 79,745 residents in FLORENCE, drawing from surface water.
Public testing data identifies 13 contaminants in this water above EWG's health-based guidelines, including: Total trihalomethanes (TTHMs), Haloacetic acids (HAA9), Bromodichloromethane, Haloacetic acids (HAA5), Chloroform, Trichloroacetic acid, Dibromochloromethane, Dichloroacetic acid, Radium, combined (-226 and -228), Perfluorooctanoic acid (PFOA), Chromium (hexavalent), Perfluorooctane sulfonate (PFOS), Dibromoacetic acid. 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.
Quick actions for FLORENCE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for FLORENCE CITY OF (SC2110001).
PFAS contamination
Severe concernPerfluorooctanoic acid (PFOA), Perfluorooctane sulfonate (PFOS) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 34.8 ppb, 232x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 13.7 ppb, 228x above the EWG health guideline of 0.06 ppb.
Bromodichloromethane significantly above health guideline
Moderate concernBromodichloromethane detected at 8.14 ppb, 136x above the EWG health guideline of 0.06 ppb.
Contact FLORENCE CITY OF (SC2110001)
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for FLORENCE
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis or NSF P473 certified carbon
$80-$750Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
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 55/100 breaks down across five weighted components. Read the full methodology →
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 |
|---|---|---|---|---|---|---|---|---|
| Total trihalomethanes (TTHMs) Disinfection byproduct |
34.8 ppb | 0.15 | 80.0 | 100 | — | — | — | 232× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
13.7 ppb | 0.06 | — | — | — | — | — | 228× over |
| Bromodichloromethane Disinfection byproduct |
8.14 ppb | 0.06 | — | — | — | — | — | 136× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
9.69 ppb | 0.1 | 60.0 | 60 | — | — | — | 97× over |
| Chloroform Disinfection byproduct |
23.9 ppb | 0.4 | — | — | — | — | — | 60× over |
| Trichloroacetic acid Disinfection byproduct |
4.57 ppb | 0.1 | — | — | — | — | — | 46× over |
| Dibromochloromethane Disinfection byproduct |
2.93 ppb | 0.1 | — | — | — | — | — | 29× over |
| Dichloroacetic acid Disinfection byproduct |
5.16 ppb | 0.2 | — | — | — | — | — | 26× over |
| Radium, combined (-226 and -228) Radiological |
0.2 pCi/L | 0.05 | 5.0 | — | — | — | — | 4.1× over |
| Perfluorooctanoic acid (PFOA) PFAS |
0.24 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 2.7× over |
| Chromium (hexavalent) Heavy metal |
0.0452 ppb | 0.02 | — | — | — | — | — | 2.3× over |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.355 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | 1.2× over |
| Dibromoacetic acid Disinfection byproduct |
0.0333 ppb | 0.03 | — | — | — | — | — | 1.1× over |
| Nitrate and nitrite Inorganic |
0.129 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Nitrate Inorganic |
0.117 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.13 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Chlorate Disinfection byproduct |
60.6 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
3.3 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
15.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
3.7 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
0.4 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
0.105 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
0.14 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0363 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Dicamba Other |
0.00989 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.185 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.
FLORENCE CITY OF (SC2110001) service area
This water system serves 1 community in Florence County, South Carolina. Click any city for its dedicated tap water quality page.
Find the right filter for FLORENCE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.