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Lead service lines in Cincinnati, OH

26 water utilities serve Cincinnati, with approximately 791,364 people served.

Last verified from EPA SDWIS + utility inventories: 2026-04-14
Known lead
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Galvanized
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Unknown
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% unknown
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Lead Service Lines in Cincinnati, OH

Cincinnati's water systems serve about 791,000 people across 26 different utilities. The largest is Cincinnati Public Water System, which serves roughly 750,200 residents.

What we know about lead service lines in Cincinnati

Lead service lines are pipes made of lead that connect water mains to homes. They're a potential source of lead in drinking water. Cincinnati Public Water System and other utilities in the area have not yet reported specific counts of known lead service lines in their inventories to the state.

This doesn't mean there are no lead pipes in Cincinnati—it means the data either hasn't been collected, hasn't been shared publicly, or is still being verified. Utilities across Ohio are required to locate and inventory their lead service lines, but timelines and completion rates vary.

Why this matters

Lead can leach from service lines into drinking water, especially in homes with older plumbing. Even low levels of exposure can affect children's development and learning. If you live in an older home (built before the 1980s), your property is more likely to have a lead service line.

How to find out if your home has a lead service line

Contact your local water utility directly. Cincinnati Public Water System and the other utilities serving the area can tell you:

  • Whether your address has a known lead service line
  • The material of your service line if it's been identified
  • What options are available to replace it

You can also request your utility's lead service line inventory or ask for a free or low-cost water test.

Replacing a lead service line

If your home has a lead service line, replacement is the only permanent solution. Costs vary, but many utilities offer assistance programs or rebates. Some programs cover the full cost for low-income households.

Ask your water utility about:

  • Replacement programs or grants
  • Payment plans or financing options
  • Licensed contractors in your area

Next steps for residents

  • Contact your water utility to ask about lead service lines at your address. Use the utility list below.
  • Request a water test if you're concerned about lead levels in your home.
  • Learn about replacement programs available through your utility or the state.
  • Talk to your pediatrician if you have young children and questions about lead exposure.

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Utilities serving Cincinnati

Common questions

Does Cincinnati have lead service lines?

Cincinnati's water utilities, including Cincinnati Public Water System, have not yet publicly reported specific counts of lead service lines in their inventories. However, many older homes in the Cincinnati area likely have lead pipes. Contact your utility to ask about your address.

How do I know if my house has a lead service line?

Call your water utility and provide your address. They can tell you if your service line is known to be lead, or they may send someone to inspect it. You can also hire a licensed plumber to check, though this may cost money.

Is lead in Cincinnati's drinking water dangerous?

Lead from service lines can leach into water, especially in older homes. Even small amounts can affect children's health. The best way to reduce risk is to replace a lead service line or use a certified filter while you arrange replacement.

How much does it cost to replace a lead service line?

Costs vary widely depending on your home's depth and location. Contact your water utility to ask about assistance programs—many offer grants or payment plans, and some cover the full cost for low-income households.