Tap Water Quality Report
Tap water quality in GREER, South Carolina
Tap water in GREER, South Carolina receives a grade of C (79/100) from TapWaterSafety.org. It's served by GREER CPW (SC2310005). 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. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in GREER's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving GREER.
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.
EPA compliance record
Official U.S. EPA records for GREER CPW (SC2310005) (system ID SC2310005) for the last 3 years. Checked 2026-10-07.
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for GREER
Filters matched to the specific contaminants in GREER's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in GREER's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. 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, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from GREER CPW (SC2310005).