Tap Water Quality Report
Tap water quality in ST GEORGE CITY, Utah
Tap water in ST GEORGE CITY, Utah receives a grade of D (62/100) from TapWaterSafety.org. It's served by ST GEORGE CITY WATER SYSTEM. The most significant water quality concerns are: Arsenic significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ST GEORGE CITY's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ST GEORGE CITY.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 9.58 ppb, 2394x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 16.3 ppb, 272x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 35.4 ppb, 236x above the EWG health guideline of 0.15 ppb.
Recommended filters for ST GEORGE CITY
Filters matched to the specific contaminants in ST GEORGE CITY's water supply.
Reverse Osmosis
$249-$750Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.
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.
All contaminants detected in ST GEORGE CITY'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 |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
9.58 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 2394× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
16.3 ppb | 0.06 | — | — | — | — | — | 272× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
35.4 ppb | 0.15 | 80.0 | 100 | — | — | — | 236× over |
| Bromodichloromethane Disinfection byproduct |
9.99 ppb | 0.06 | — | — | — | — | — | 166× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
9.27 ppb | 0.1 | 60.0 | 60 | — | — | — | 93× over |
| Dibromochloromethane Disinfection byproduct |
6.59 ppb | 0.1 | — | — | — | — | — | 66× over |
| Dibromoacetic acid Disinfection byproduct |
1.18 ppb | 0.03 | — | — | — | — | — | 39× over |
| Trichloroacetic acid Disinfection byproduct |
3.72 ppb | 0.1 | — | — | — | — | — | 37× over |
| Chloroform Disinfection byproduct |
11.3 ppb | 0.4 | — | — | — | — | — | 28× over |
| Radium, combined (-226 and -228) Radiological |
0.89 pCi/L | 0.05 | 5.0 | — | — | — | — | 18× over |
| Dichloroacetic acid Disinfection byproduct |
3.27 ppb | 0.2 | — | — | — | — | — | 16× over |
| Chromium (hexavalent) Heavy metal |
0.279 ppb | 0.02 | — | — | — | — | — | 14× over |
| Nitrate Inorganic |
0.431 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 3.1× over |
| Nitrate and nitrite Inorganic |
0.44 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 3.1× over |
| Bromoform Disinfection byproduct |
1.49 ppb | 0.5 | — | — | — | — | — | 3.0× over |
| Thallium Heavy metal |
0.153 ppb | 0.1 | 2.0 | — | — | — | — | 1.5× over |
| Antimony Heavy metal |
0.633 ppb | 1.0 | 6.0 | 10 | 20 | 1 | — | Below guideline |
| Barium Heavy metal |
110.1 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
1.82 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
18.1 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
1.28 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Selenium Heavy metal |
0.679 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Manganese Heavy metal |
0.488 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.551 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Cyanide Inorganic |
0.311 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Fluoride Inorganic |
0.665 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Germanium Other |
0.339 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
31.5 ppb | — | — | — | — | — | — | 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 ST GEORGE CITY WATER SYSTEM.