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Huron, SD · 14,438 people served · EPA data 2021–2026

Tap water quality in Huron, South Dakota

Huron's water systems logged 1 health-based EPA violation in 2021–2026, most recently in 2022 — a modest record, with revised total coliform rule the issue found. For context, South Dakota's systems average 1.1 health-based violations each.

A-Excellent
Huron water grade: A-
Excellent — our A–F grade from this city's EPA compliance record, relative to South Dakota and the nation. How we grade →
Health-based violations, 2021–20261
Revised Total Coliform Rule1
Huron14,263 served
Huron Colony95 served
Riverside Colony80 served
South Dakota quality rank#6 / 51 (96.5/100)
South Dakota avg hardness150 PPM (hard)
Want to know what's actually in your Huron 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.

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Huron tap water FAQ

Is tap water safe to drink in Huron?

Huron's systems logged 1 health-based violation in 2021–2026, most commonly revised total coliform rule. A violation is a red flag for a period of time, not a permanent condition — your utility's current Consumer Confidence Report shows today's status, and a certified home test shows what's at your tap.

Who supplies Huron's water?

Huron (serving about 14,263 people); Huron Colony (serving about 95 people); Riverside Colony (serving about 80 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Huron?

City-level hardness isn't published in a single federal dataset, but South Dakota averages 150 PPM — "hard" on the USGS scale. Your utility's water quality report lists Huron'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 Huron?

With 1 health-based violation on record in 2021–2026, a certified filter is reasonable insurance here: reverse osmosis ($150–$1,300 installed, Angi 2026) covers lead, nitrates and PFAS at the tap. Test first ($50–$200) so you buy for what's actually present.

Want to know what's actually in your Huron 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.