Water Quality Report · Updated May 12, 2026
HERRIMAN CITY MUNICIPAL WATER DEPARTMENT
HERRIMAN CITY MUNICIPAL WATER DEPARTMENT delivers tap water graded D (62/100) by TapWaterSafety.org. The utility serves approximately 60,000 residents in HERRIMAN, Utah using surface water (purchased). 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. For questions, the utility can be reached at 801-446-5323.
Is HERRIMAN tap water safe to drink?
HERRIMAN CITY MUNICIPAL WATER DEPARTMENT delivers tap water that earns a grade of D (62/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including arsenic significantly above health guideline.
The utility serves 60,000 residents in HERRIMAN, drawing from surface water (purchased).
Public testing data identifies 15 contaminants in this water above EWG's health-based guidelines, including: Arsenic, Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Dibromoacetic acid, Trichloroacetic acid, Dibromochloromethane, Chloroform, Dichloroacetic acid, Chromium (hexavalent), Nitrate and nitrite, Bromoform, Nitrate, Radium, combined (-226 and -228). 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 HERRIMAN residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for HERRIMAN CITY MUNICIPAL WATER DEPARTMENT.
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.
Contact HERRIMAN CITY MUNICIPAL WATER DEPARTMENT
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 HERRIMAN
Filters matched to the specific contaminants in this 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.
Score breakdown
This utility's overall score of 62/100 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 |
|---|---|---|---|---|---|---|---|---|
| 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
HERRIMAN CITY MUNICIPAL WATER DEPARTMENT service area
This water system serves 1 community in Salt Lake County, Utah. Click any city for its dedicated tap water quality page.
Find the right filter for HERRIMAN water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.