Tap Water Quality Report
Tap water quality in HERRIMAN, Utah
Tap water in HERRIMAN, Utah receives a grade of D (62/100) from TapWaterSafety.org. It's served by HERRIMAN CITY MUNICIPAL WATER DEPARTMENT. 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 HERRIMAN's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving HERRIMAN.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 2.15 ppb, 538x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 17.2 ppb, 287x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 36.5 ppb, 243x above the EWG health guideline of 0.15 ppb.
Recommended filters for HERRIMAN
Filters matched to the specific contaminants in HERRIMAN'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 HERRIMAN'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 |
2.15 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 538× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
17.2 ppb | 0.06 | — | — | — | — | — | 287× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
36.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 243× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
15.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 152× over |
| Bromodichloromethane Disinfection byproduct |
6.45 ppb | 0.06 | — | — | — | — | — | 107× over |
| Dibromoacetic acid Disinfection byproduct |
2.54 ppb | 0.03 | — | — | — | — | — | 85× over |
| Trichloroacetic acid Disinfection byproduct |
5.83 ppb | 0.1 | — | — | — | — | — | 58× over |
| Dibromochloromethane Disinfection byproduct |
4.22 ppb | 0.1 | — | — | — | — | — | 42× over |
| Chloroform Disinfection byproduct |
15.6 ppb | 0.4 | — | — | — | — | — | 39× over |
| Dichloroacetic acid Disinfection byproduct |
6.87 ppb | 0.2 | — | — | — | — | — | 34× over |
| Chromium (hexavalent) Heavy metal |
0.574 ppb | 0.02 | — | — | — | — | — | 29× over |
| Nitrate and nitrite Inorganic |
3.51 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 25× over |
| Bromoform Disinfection byproduct |
8.61 ppb | 0.5 | — | — | — | — | — | 17× over |
| Nitrate Inorganic |
2.15 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 15× over |
| Radium, combined (-226 and -228) Radiological |
0.75 pCi/L | 0.05 | 5.0 | — | — | — | — | 15× over |
| Chlorate Disinfection byproduct |
83.7 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
102.9 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Barium Heavy metal |
118.9 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Selenium Heavy metal |
4.65 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Vanadium Other |
2.73 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
0.454 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.379 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.0697 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
1.18 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0228 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.555 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
0.292 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| 2-Methoxyethanol Other |
0.05 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.158 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
12.3 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 HERRIMAN CITY MUNICIPAL WATER DEPARTMENT.