Water Quality Report · Updated May 12, 2026
GREER CPW (SC2310005)
GREER CPW (SC2310005) delivers tap water graded C (67/100) by TapWaterSafety.org. The utility serves approximately 54,024 residents in GREER, 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 864-968-3251.
Is GREER tap water safe to drink?
GREER CPW (SC2310005) 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 54,024 residents in GREER, drawing from surface water.
Public testing data identifies 11 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, Radium, combined (-226 and -228), Dibromoacetic acid, Dibromochloromethane, Nitrate. 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 GREER residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for GREER CPW (SC2310005).
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 26.6 ppb, 443x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 24.0 ppb, 240x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 28.2 ppb, 188x above the EWG health guideline of 0.15 ppb.
Contact GREER CPW (SC2310005)
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 GREER
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 |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
26.6 ppb | 0.06 | — | — | — | — | — | 443× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
24.0 ppb | 0.1 | 60.0 | 60 | — | — | — | 240× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
28.2 ppb | 0.15 | 80.0 | 100 | — | — | — | 188× over |
| Trichloroacetic acid Disinfection byproduct |
9.66 ppb | 0.1 | — | — | — | — | — | 97× over |
| Bromodichloromethane Disinfection byproduct |
4.9 ppb | 0.06 | — | — | — | — | — | 82× over |
| Dichloroacetic acid Disinfection byproduct |
14.2 ppb | 0.2 | — | — | — | — | — | 71× over |
| Chloroform Disinfection byproduct |
23.1 ppb | 0.4 | — | — | — | — | — | 58× over |
| Radium, combined (-226 and -228) Radiological |
0.54 pCi/L | 0.05 | 5.0 | — | — | — | — | 11× over |
| Dibromoacetic acid Disinfection byproduct |
0.102 ppb | 0.03 | — | — | — | — | — | 3.4× over |
| Dibromochloromethane Disinfection byproduct |
0.135 ppb | 0.1 | — | — | — | — | — | 1.4× over |
| Nitrate Inorganic |
0.18 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.3× over |
| Chromium (hexavalent) Heavy metal |
0.0126 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
16.8 ppb | 210.0 | — | — | — | — | — | Below guideline |
| 2,4-D Pesticide/Herbicide |
0.55 ppb | 20.0 | 70.0 | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0967 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.025 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.117 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.0284 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.383 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.
GREER CPW (SC2310005) service area
This water system serves 1 community in Greenville County, South Carolina. Click any city for its dedicated tap water quality page.
Find the right filter for GREER water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.