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Fargo, ND · 120,762 people served · EPA data 2021–2026

Tap water quality in Fargo, North Dakota

Fargo's water system logged zero health-based EPA violations in 2021–2026 — water that met every federal health standard on record. Day-to-day quality still varies with pipes and plumbing, but the municipal record here is clean.

B+Good
Fargo water grade: B+
Good — our A–F grade from this city's EPA compliance record, relative to North Dakota and the nation. How we grade →
Health-based violations, 2021–20260
Federal health standardsall met
Fargo City Of120,762 served
North Dakota quality rank#23 / 51 (84.0/100)
North Dakota avg hardness130 PPM (hard)
Want to know what's actually in your Fargo water?

Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.

Test your water at home

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Fargo tap water FAQ

Is tap water safe to drink in Fargo?

Fargo's community water systems reported no health-based EPA violations in 2021–2026, meaning the water met federal health standards throughout. Home plumbing (especially pre-1986 lead solder or service lines) can still affect what reaches your glass — a home test settles it.

Who supplies Fargo's water?

Fargo City Of (serving about 120,762 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Fargo?

City-level hardness isn't published in a single federal dataset, but North Dakota averages 130 PPM — "hard" on the USGS scale. Your utility's water quality report lists Fargo's exact hardness, or a $10 test strip tells you in a minute. If it comes back over 120 PPM, see our water softener guidance in the purification calculator.

Do I need a water filter in Fargo?

The municipal record is clean, so filtering in Fargo is about taste, hardness and your own plumbing rather than compliance. A carbon filter fixes chlorine taste; test first if your home predates 1986 (lead solder era).

Want to know what's actually in your Fargo water?

Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.

Test your water at home

We may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.