Water Quality Report · Updated May 12, 2026
FARGO CITY OF
FARGO CITY OF delivers tap water graded C (67/100) by TapWaterSafety.org. The utility serves approximately 120,762 residents in FARGO, North Dakota using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. For questions, the utility can be reached at 701-241-1469.
Is FARGO tap water safe to drink?
FARGO CITY OF 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 120,762 residents in FARGO, drawing from surface water.
Public testing data identifies 13 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Chromium (hexavalent), Dichloroacetic acid, Chloroform, Dibromochloromethane, Dibromoacetic acid, Bromate, Trichloroacetic acid, Radium, combined (-226 and -228), Nitrate and nitrite. 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 FARGO residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for FARGO CITY OF.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 14.5 ppb, 242x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 10.3 ppb, 69x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 6.48 ppb, 65x above the EWG health guideline of 0.1 ppb.
Contact FARGO CITY OF
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 FARGO
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 |
14.5 ppb | 0.06 | — | — | — | — | — | 242× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
10.3 ppb | 0.15 | 80.0 | 100 | — | — | — | 69× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
6.48 ppb | 0.1 | 60.0 | 60 | — | — | — | 65× over |
| Bromodichloromethane Disinfection byproduct |
2.54 ppb | 0.06 | — | — | — | — | — | 42× over |
| Chromium (hexavalent) Heavy metal |
0.691 ppb | 0.02 | — | — | — | — | — | 35× over |
| Dichloroacetic acid Disinfection byproduct |
5.27 ppb | 0.2 | — | — | — | — | — | 26× over |
| Chloroform Disinfection byproduct |
6.45 ppb | 0.4 | — | — | — | — | — | 16× over |
| Dibromochloromethane Disinfection byproduct |
1.13 ppb | 0.1 | — | — | — | — | — | 11× over |
| Dibromoacetic acid Disinfection byproduct |
0.301 ppb | 0.03 | — | — | — | — | — | 10× over |
| Bromate Disinfection byproduct |
0.739 ppb | 0.1 | 10.0 | 10 | 10 | 0.1 | — | 7.4× over |
| Trichloroacetic acid Disinfection byproduct |
0.66 ppb | 0.1 | — | — | — | — | — | 6.6× over |
| Radium, combined (-226 and -228) Radiological |
0.17 pCi/L | 0.05 | 5.0 | — | — | — | — | 3.3× over |
| Nitrate and nitrite Inorganic |
0.182 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.3× over |
| Bromoform Disinfection byproduct |
0.16 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
2.8 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.861 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.648 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.247 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.186 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Bromide Other |
122.2 ppb | — | — | — | — | — | — | Below guideline |
| Lithium Other |
28.8 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.
FARGO CITY OF service area
This water system serves 1 community in Cass County, North Dakota. Click any city for its dedicated tap water quality page.
Find the right filter for FARGO water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.