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Somerset, KY · 74,859 people served · EPA data 2021–2026

Tap water quality in Somerset, Kentucky

Somerset's water systems 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
Somerset water grade: B-
Good — our A–F grade from this city's EPA compliance record, relative to Kentucky and the nation. How we grade →
Health-based violations, 2021–20260
Federal health standardsall met
Somerset Water Service29,700 served
Western Pulaski Co Water District23,264 served
Southeastern Water Assoc/Nelson Valley21,895 served
Kentucky quality rank#38 / 51 (80.5/100)
Kentucky avg hardness112 PPM (moderately hard)
Want to know what's actually in your Somerset 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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Somerset tap water FAQ

Is tap water safe to drink in Somerset?

Somerset'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 Somerset's water?

Somerset Water Service (serving about 29,700 people); Western Pulaski Co Water District (serving about 23,264 people); Southeastern Water Assoc/Nelson Valley (serving about 21,895 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Somerset?

City-level hardness isn't published in a single federal dataset, but Kentucky averages 112 PPM — "moderately hard" on the USGS scale. Your utility's water quality report lists Somerset'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 Somerset?

The municipal record is clean, so filtering in Somerset 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 Somerset 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.