Water Quality Report · Updated May 12, 2026
SUMMERVILLE CPW (SC1810003)
SUMMERVILLE CPW (SC1810003) delivers tap water graded C (67/100) by TapWaterSafety.org. The utility serves approximately 81,750 residents in SUMMERVILLE, South Carolina using surface water (purchased). The most significant water quality concerns are: Perfluoroundecanoic acid (PFUnA) * significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 843-875-8757.
Is SUMMERVILLE tap water safe to drink?
SUMMERVILLE CPW (SC1810003) 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 81,750 residents in SUMMERVILLE, drawing from surface water (purchased).
Public testing data identifies 13 contaminants in this water above EWG's health-based guidelines, including: Perfluoroundecanoic acid (PFUnA) *, Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Bromodichloromethane, Haloacetic acids (HAA5), Perfluorododecanoic acid (PFDoA)*, Trichloroacetic acid, Dichloroacetic acid, Chloroform, Dibromochloromethane, Chromium (hexavalent), Nitrate*, 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 SUMMERVILLE residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for SUMMERVILLE CPW (SC1810003).
Perfluoroundecanoic acid (PFUnA) * significantly above health guideline
Moderate concernPerfluoroundecanoic acid (PFUnA) * detected at 7.1 ppt, 1183x above the EWG health guideline of 0.006 ppt.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 22.1 ppb, 368x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 25.2 ppb, 168x above the EWG health guideline of 0.15 ppb.
Contact SUMMERVILLE CPW (SC1810003)
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 SUMMERVILLE
Filters matched to the specific contaminants in this water supply.
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 67/100 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 |
|---|---|---|---|---|---|---|---|---|
| Perfluoroundecanoic acid (PFUnA) * PFAS |
7.1 ppt | 0.006 | — | — | — | — | — | 1183× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
22.1 ppb | 0.06 | — | — | — | — | — | 368× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
25.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 168× over |
| Bromodichloromethane Disinfection byproduct |
8.25 ppb | 0.06 | — | — | — | — | — | 137× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
11.3 ppb | 0.1 | 60.0 | 60 | — | — | — | 113× over |
| Perfluorododecanoic acid (PFDoA)* PFAS |
4.5 ppt | 0.06 | — | — | — | — | — | 75× over |
| Trichloroacetic acid Disinfection byproduct |
3.81 ppb | 0.1 | — | — | — | — | — | 38× over |
| Dichloroacetic acid Disinfection byproduct |
7.41 ppb | 0.2 | — | — | — | — | — | 37× over |
| Chloroform Disinfection byproduct |
14.2 ppb | 0.4 | — | — | — | — | — | 35× over |
| Dibromochloromethane Disinfection byproduct |
2.76 ppb | 0.1 | — | — | — | — | — | 28× over |
| Chromium (hexavalent) Heavy metal |
0.0505 ppb | 0.02 | — | — | — | — | — | 2.5× over |
| Nitrate* Inorganic |
0.26 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.9× over |
| Dibromoacetic acid Disinfection byproduct |
0.044 ppb | 0.03 | — | — | — | — | — | 1.5× over |
| Hexafluoropropylene oxide dimer acid (HFPO-DA)* Other |
8.0 ppt | 9.0 | 10.0 | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.125 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Vanadium Other |
0.556 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
1.56 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Molybdenum Other |
0.588 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA)* PFAS |
3.3 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA)* PFAS |
2.7 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0595 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0448 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride* Inorganic |
0.403 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.
SUMMERVILLE CPW (SC1810003) service area
This water system serves 1 community in Dorchester County, South Carolina. Click any city for its dedicated tap water quality page.
Find the right filter for SUMMERVILLE water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.