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Berlin, CT · 552,734 people served · EPA data 2021–2026

Tap water quality in Berlin, Connecticut

Berlin's water systems logged 1 health-based EPA violation in 2021–2026, most recently in 2024 — a modest record, with lead and copper rule revisions the issue found. For context, Connecticut's systems average 1.4 health-based violations each.

C+Fair
Berlin water grade: C+
Fair — our A–F grade from this city's EPA compliance record, relative to Connecticut and the nation. How we grade →
Health-based violations, 2021–20261
Lead And Copper Rule Revisions1
Metropolitan District Commission390,887 served
New Britain Water Department73,534 served
Meriden Water Division58,441 served
Cromwell Fire District Water Department14,316 served
Connecticut quality rank#39 / 51 (80.1/100)
Connecticut avg hardness75 PPM (moderately hard)
Want to know what's actually in your Berlin 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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Berlin tap water FAQ

Is tap water safe to drink in Berlin?

Berlin's systems logged 1 health-based violation in 2021–2026, most commonly lead and copper rule revisions. 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 Berlin's water?

Metropolitan District Commission (serving about 390,887 people); New Britain Water Department (serving about 73,534 people); Meriden Water Division (serving about 58,441 people); Cromwell Fire District Water Department (serving about 14,316 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Berlin?

City-level hardness isn't published in a single federal dataset, but Connecticut averages 75 PPM — "moderately hard" on the USGS scale. Your utility's water quality report lists Berlin'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 Berlin?

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 Berlin 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.