EPA SDWIS Compliance Records
Drinking Water Compliance Report for Indianapolis, IN
5 public water systems serve Indianapolis — real federal compliance history, not a marketing claim.
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Water systems serving this city
17
Total compliance records on file
5
Health-based violations
What this means for your tap water: a "health-based" violation means a system exceeded an actual contaminant safety threshold at some point — different from a paperwork or reporting violation, which is far more common and far less concerning. Indianapolis's systems average 0.6 health-based violations each, ranking about middle-of-the-pack (#4 of 20 we track). Which specific system serves your address determines whether that history applies to you — check the list below rather than assuming.
Systems Serving Indianapolis
CITIZENS WATER - INDIANAPOLIS
880,345 people served1 violation on record, none health-based.
- November 2020 — MR— resolved
CITIZENS WATER OF WESTFIELD, LLC
61,493 people served8 violations on record, none health-based.
- January 1993 — MR— resolved
- October 1997 — MR— resolved
- October 1994 — MR— resolved
- October 1995 — MR— resolved
- October 2000 — Other— resolved
CITY OF LAWRENCE UTILITIES
49,000 people served5 violations on record, including health-based violations.
- April 2025 — MCL(health-based)
- July 2025 — MCL(health-based)
- August 2021 — MCL(health-based)— resolved
- January 2022 — RPT— resolved
- October 2025 — MCL(health-based)
HARBOUR WATER
14,148 people servedNo violations on record.
CITIZENS WATER - MORGAN
5,705 people served3 violations on record, including health-based violations.
- July 1997 — MR— resolved
- January 2009 — MR— resolved
- July 1997 — TT(health-based)— resolved
Source: EPA Safe Drinking Water Information System (SDWIS), via Envirofacts. Water-system-level records, not address-specific — homes on private wells or served by a different system than listed here aren't reflected. A resolved violation means the system returned to compliance; it doesn't mean water quality is currently at risk.
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