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Fixed: $9.68/mo Volume: 6,000 gal = 6.00 kgal 0–5 kgal × $6.4700/kgal = $32.35 5–6.00 kgal × $6.9800/kgal = $6.98 Total: $9.68 + $39.33 = $49.01/mo
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Utility profile · IL
MARION serves 16,855 people in Marion and Spillertown, IL. The monthly residential water bill at 6,000 gallons is $49.01, 7% below the national average of $52.83.
Updated Aug 2026
Beta. Data is actively being expanded. Results may vary. if something looks off.
Standardized to a 6,000 gallon/month residential bill on a 5/8"–3/4" meter.
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 MARION'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.
whatwatercosts.org