Tap Water Quality Report
Tap water quality in FARGO, North Dakota
Tap water in FARGO, North Dakota receives a grade of C (79/100) from TapWaterSafety.org. It's served by FARGO CITY OF. 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. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in FARGO's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving FARGO.
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.
EPA compliance record
Official U.S. EPA records for FARGO CITY OF (system ID ND0900336) 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 FARGO
Filters matched to the specific contaminants in FARGO'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 FARGO'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 |
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, 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 FARGO CITY OF.