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Lead In Drinking Water In Indiana

What residents of Indiana need to know about lead in drinking water — including how it enters water, which utilities have documented violations, and what steps to take.

Source: EPA SDWIS, Indiana Department of Environmental Management (IDEM), CDC · Last reviewed: 2025-01-01

Quick Answer

Is lead in drinking water a real concern in Indiana?

Yes — Indianapolis, Fort Wayne, South Bend, Gary, and Muncie all have significant concentrations of older housing where lead service lines and lead solder are likely present.

Is this mostly a public-water issue, a private-well issue, or both?

Both public water service lines and household plumbing in older industrial city neighborhoods; Gary and South Bend have particularly old housing stock.

What is the main reason residents should care?

Indiana's industrial cities — Gary, South Bend, Fort Wayne, and Indianapolis — grew rapidly in the early 20th century, creating dense concentrations of pre-1940 housing with lead service lines, lead solder, and lead-containing brass fixtures. Indiana's older urban neighborhoods represent some of the highest lead risk in the Midwest.

Key Facts

Federal Lead Action Level15 µg/L — no safe level per CDC
Highest-risk citiesGary, South Bend, Indianapolis older neighborhoods — dense pre-1920 to pre-1940 housing
Primary pathwayLead service lines and lead solder in pre-1986 plumbing
Environmental justiceGary is a documented environmental justice community with aging water infrastructure
State oversightIndiana Department of Environmental Management (IDEM)

Why This Matters in Indiana

Indiana's manufacturing history fueled rapid growth in cities like Gary, South Bend, Muncie, and Anderson — all of which built thousands of homes before the 1986 lead ban. Gary, Indiana, historically one of the country's major steel cities, has a very high concentration of pre-1940 housing with aging water infrastructure and has been subject to environmental justice attention. Indianapolis's older neighborhoods — Irvington, Fountain Square, near-east side — have pre-1920 housing where lead service lines connecting to the street main were standard construction. South Bend and Fort Wayne have similar older city cores. IDEM enforces the Lead and Copper Rule and requires utilities to complete lead service line inventories under the LCRR.

Historical Context

Gary, Indiana is an environmental justice community where aging infrastructure, economic disinvestment, and legacy industrial pollution intersect. Housing built during the steel era (pre-1940) dominates much of Gary's housing stock, and lead service lines are common in the original distribution system.

Indiana Utilities With Lead Violation Records

The utilities listed below have at least one lead violation on record in EPA's SDWIS database. Violations may be open or resolved — see individual utility pages for current status and risk level.

How Lead Gets Into Drinking Water

Lead service lines

The pipe connecting a home to the water main may be made of lead, especially in pre-1986 construction. Water sitting in these lines can accumulate lead before it reaches the tap.

Lead solder

Lead solder at pipe joints was banned for potable water systems in 1986. Homes built before that date — including significant portions of older Indiana cities — may still have lead solder throughout their plumbing.

Older brass fixtures

Faucets, valves, and fixtures with high lead content were common before the 2014 revision of 'lead-free' standards. Replacing older fixtures at kitchen and drinking taps can meaningfully reduce exposure.

Corrosive water chemistry

Soft, acidic, or low-alkalinity water dissolves lead from plumbing more readily. Utilities use orthophosphate and other corrosion control treatments, but household plumbing after the meter is not within their control.

Who Should Pay Closest Attention

Children in Gary, South Bend, and Indianapolis older neighborhoods — particularly in rental housing — are among the highest-risk populations in Indiana. Renters in older multifamily buildings often have no visibility into the plumbing materials in their unit or connecting to their building. Families with children under six anywhere in a pre-1986 Indiana home should consider certified filtration.

Families with children under six

Pregnant residents

Households in homes built before 1986

Renters who cannot inspect building plumbing

Residents on a confirmed lead service line

Households that had plumbing work done recently (disturbances dislodge protective scale)

How to Check Your Situation in Indiana

  1. 1

    Identify your water utility. Use the ZIP lookup below or browse the Indiana utility directory on this site.

  2. 2

    Read your utility's page on this site to see its current risk level and any open lead violations.

  3. 3

    Contact your utility and ask for your address-level service line material status. Under the federal Lead and Copper Rule Revisions (LCRR), utilities must maintain and provide this information.

  4. 4

    Review your utility's most recent Consumer Confidence Report (CCR) — mailed annually or available on the utility's website.

  5. 5

    Consider testing your tap water at a Indiana Department of Environmental Management (IDEM)-certified lab. Your state health department or Indiana Department of Environmental Management (IDEM) maintains a list of certified labs.

  6. 6

    If you have young children or are pregnant, install a certified NSF/ANSI 53 or 58 filter at the kitchen tap as a precautionary measure.

Treatment Options

Boiling does not remove lead. Use a certified filter for drinking and cooking water.

NSF/ANSI Standard 53 — Activated Carbon Block

Under-sink or pitcher filters certified to Standard 53 are independently verified to reduce lead. Replace filters on the manufacturer's schedule — an overdue filter may not perform as certified.

NSF/ANSI Standard 58 — Reverse Osmosis

RO systems certified to Standard 58 remove 95–99% of lead and a broad range of contaminants. Requires under-sink installation. More comprehensive than Standard 53 for households with multiple contaminant concerns.

Flushing — temporary mitigation only

EPA recommends flushing the cold tap for 30 seconds to 2 minutes if water has sat in pipes for 6+ hours. Not a substitute for certified filtration or service line replacement.

See: Reverse Osmosis guide · Activated carbon filter guide

Frequently Asked Questions

Related Pages

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA — Lead in Drinking WaterView source
EPA Lead and Copper Rule Revisions (LCRR)View source
CDC — Lead Exposure and PreventionView source
EPA SDWIS — Violation and Compliance DataView source
EPA Drinking Water Service Line InventoriesView source
Last updated: 2025-01-01
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