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Read by an AI agent (a large language model) from the utility's official rate schedule, then audited by a second model against the same schedule.
Customer charge, 5/8" meter (includes the first 1,500 gal): $20.00/mo 4,500 gal above the allowance at $1.3694 per 100 gal: $61.62/mo DSIC infrastructure surcharge: $2.39/mo Total: $84.01/mo
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Utility profile · IN
INDIANA AMERICAN WATER - NORTHWEST supplies water to about 210,000 people in Gary, Merrillville, and 7 other places in Indiana. A typical household using 6,000 gallons a month pays an estimated $84.01, 44% above the national average.
Updated Oct 2026
| Customer charge 5/8" meter (includes the first 1,500 gal) |
$20.00 |
| 4,500 gal above the allowance at $1.3694 per 100 gal | $61.62 |
| DSIC infrastructure surcharge | $2.39 |
| Total | $84.01 |
Monthly cost (6k gal) vs up to 10 nearest utilities with published rates. Click to navigate.
Population served and the municipalities covered by this utility's service area.
Boundaries from the EPA Water System Service Areas dataset. Not all utilities have mapped boundaries.
Municipalities served
Supply and provider classification from EPA records.
Named intake/well source and interconnections (who this utility buys from or sells to) aren't captured yet — tracked separately for a future update.
Annual bill as a share of median household income in the service area.
We don't yet systematically track whether a utility offers income-based or sliding-scale pricing separate from its standard rates — tracked separately for a future update.
This rate was extracted from INDIANA AMERICAN WATER - NORTHWEST's published tariff document by an AI research agent, then checked against a validation checklist before publishing. See the full methodology for how every utility on this site is sourced and scored.
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